July 2022 - Alsa-devel - mailman.alsa-project.org

[PATCH v2 0/11] ASoC: cleanups and improvements for jz4740-i2s
by Aidan MacDonald 08 Jul '22

08 Jul '22

This series is a preparatory cleanup of the jz4740-i2s driver before adding support for a new SoC. The last two patches lift unnecessary restrictions on sample rates and formats -- the existing ones appear to be derived from the limitations of the JZ4740's internal codec and don't reflect the actual capabilities of the I2S controller. I'm unable to test the series on any JZ47xx SoCs, but I have tested on an X1000 (which is the SoC I'll be adding in a followup series). Changes in v2: * Drop two patches already in sound for-next. * Squash two removal patches into the regmap fields patch. * Remove the unused 'mem' resource in the driver private struct. * Use regmap_set_bits() and regmap_clear_bits() to improve readability. * Add fix for SoCs with independent FIFO flush bits (ie. most of them). * Update sample formats patch with a more informative commit message. * Add two new patches to refactor DAI/component probing. Aidan MacDonald (11): ASoC: jz4740-i2s: Remove unused 'mem' resource ASoC: jz4740-i2s: Convert to regmap API ASoC: jz4740-i2s: Simplify using regmap fields ASoC: jz4740-i2s: Handle independent FIFO flush bits ASoC: jz4740-i2s: Use FIELD_PREP() macros in hw_params callback ASoC: jz4740-i2s: Align macro values and sort includes ASoC: jz4740-i2s: Make the PLL clock name SoC-specific ASoC: jz4740-i2s: Support S20_LE and S24_LE sample formats ASoC: jz4740-i2s: Support continuous sample rate ASoC: jz4740-i2s: Move component functions near the component driver ASoC: jz4740-i2s: Refactor DAI probe/remove ops as component ops sound/soc/jz4740/Kconfig | 1 + sound/soc/jz4740/jz4740-i2s.c | 460 ++++++++++++++++++---------------- 2 files changed, 247 insertions(+), 214 deletions(-) -- 2.35.1

3 14

[PATCH] ASoC: fsl_utils: Don't use plain integer as NULL pointer
by Shengjiu Wang 07 Jul '22

07 Jul '22

Fix sparse warning: sound/soc/fsl/fsl_utils.c:125:31: sparse: warning: Using plain integer as NULL pointer sound/soc/fsl/fsl_utils.c:125:42: sparse: warning: Using plain integer as NULL pointer Fixes: 7bad8125549c ("ASoC: fsl_utils: Add function to handle PLL clock source") Reported-by: kernel test robot <lkp(a)intel.com> Signed-off-by: Shengjiu Wang <shengjiu.wang(a)nxp.com> --- sound/soc/fsl/fsl_utils.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/fsl/fsl_utils.c b/sound/soc/fsl/fsl_utils.c index b75843e31f00..3e969c7bc1c5 100644 --- a/sound/soc/fsl/fsl_utils.c +++ b/sound/soc/fsl/fsl_utils.c @@ -122,7 +122,7 @@ void fsl_asoc_reparent_pll_clocks(struct device *dev, struct clk *clk, struct clk *pll8k_clk, struct clk *pll11k_clk, u64 ratio) { - struct clk *p, *pll = 0, *npll = 0; + struct clk *p, *pll = NULL, *npll = NULL; bool reparent = false; int ret = 0; -- 2.34.1

2 1

[PATCH 0/3] ADD legacy audio driver support for rembrandt
by V sujith kumar Reddy 07 Jul '22

07 Jul '22

Add Generic driver to support multiple platform, ADD HS control instance for Rembrandt platform. Add nau8825,max98560 and rt5682s,rt1019 combination support for legacy platform. V sujith kumar Reddy (3): ASoC: amd: acp: Remove rt1019_1 codec conf from machine driver ASoC: amd: acp: ACP code generic to support newer platforms ASoC: amd: acp: Add legacy audio driver support for Rembrandt platform sound/soc/amd/acp/Kconfig | 11 + sound/soc/amd/acp/Makefile | 2 + sound/soc/amd/acp/acp-i2s.c | 169 +++++++++++- sound/soc/amd/acp/acp-legacy-mach.c | 32 +++ sound/soc/amd/acp/acp-mach-common.c | 104 +++++-- sound/soc/amd/acp/acp-mach.h | 6 + sound/soc/amd/acp/acp-pci.c | 6 + sound/soc/amd/acp/acp-pdm.c | 8 +- sound/soc/amd/acp/acp-platform.c | 32 ++- sound/soc/amd/acp/acp-rembrandt.c | 397 +++++++++++++++++++++++++++ sound/soc/amd/acp/acp-renoir.c | 38 ++- sound/soc/amd/acp/amd.h | 86 +++++- sound/soc/amd/acp/chip_offset_byte.h | 40 ++- 13 files changed, 862 insertions(+), 69 deletions(-) create mode 100644 sound/soc/amd/acp/acp-rembrandt.c -- 2.25.1

3 5

Re: [PATCH 3/3] ASoC: amd: acp: Add legacy audio driver support for Rembrandt platform
by Reddy, V sujith kumar 07 Jul '22

07 Jul '22

On 6/25/2022 8:29 AM, kernel test robot wrote: > [CAUTION: External Email] > > Hi sujith, > > Thank you for the patch! Perhaps something to improve: > > [auto build test WARNING on broonie-sound/for-next] > [also build test WARNING on next-20220624] > [cannot apply to linus/master v5.19-rc3] > [If your patch is applied to the wrong git tree, kindly drop us a note. > And when submitting patch, we suggest to use '--base' as documented in > https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgit-scm.c…] > > url:https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithu… > base:https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgit.… for-next > config: i386-allyesconfig > compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 > reproduce (this is a W=1 build): > #https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fintel-lab-lkp%2Flinux%2Fcommit%2F32f53f63fb2ba0bbf7e8e145879a7340f28ebfbd&data=05%7C01%7CVsujithkumar.Reddy%40amd.com%7C76b71f6bc0b64a93432508da5656c7e4%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637917228020649435%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=4t5GdErDyUSzvhP1uW8KdxwCoE6MUPS1mjsg7HjDbYo%3D&reserved=0 > git remote add linux-reviewhttps://nam11.safelinks.protection.outlook.com/?url=https%3A%2F… > git fetch --no-tags linux-review V-sujith-kumar-Reddy/ADD-legacy-audio-driver-support-for-rembrandt/20220625-035009 > git checkout 32f53f63fb2ba0bbf7e8e145879a7340f28ebfbd > # save the config file > mkdir build_dir && cp config build_dir/.config > make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash sound/soc/amd/acp/ > > If you fix the issue, kindly add following tag where applicable > Reported-by: kernel test robot<lkp(a)intel.com> > > All warnings (new ones prefixed by >>): > >>> sound/soc/amd/acp/acp-rembrandt.c:264:5: warning: no previous prototype for 'rmb_acp_init' [-Wmissing-prototypes] > 264 | int rmb_acp_init(void __iomem *base) > | ^~~~~~~~~~~~ Done >>> sound/soc/amd/acp/acp-rembrandt.c:286:5: warning: no previous prototype for 'rmb_acp_deinit' [-Wmissing-prototypes] > 286 | int rmb_acp_deinit(void __iomem *base) > | ^~~~~~~~~~~~~~ > Done > vim +/rmb_acp_init +264 sound/soc/amd/acp/acp-rembrandt.c > > 263 > > 264 int rmb_acp_init(void __iomem *base) > 265 { > 266 int ret; > 267 > 268 /* power on */ > 269 ret = acp6x_power_on(base); > 270 if (ret) { > 271 pr_err("ACP power on failed\n"); > 272 return ret; > 273 } > 274 writel(0x01, base + ACP_CONTROL); > 275 > 276 /* Reset */ > 277 ret = acp6x_reset(base); > 278 if (ret) { > 279 pr_err("ACP reset failed\n"); > 280 return ret; > 281 } > 282 > 283 return 0; > 284 } > 285 > > 286 int rmb_acp_deinit(void __iomem *base) > 287 { > 288 int ret = 0; > 289 > 290 /* Reset */ > 291 ret = acp6x_reset(base); > 292 if (ret) { > 293 pr_err("ACP reset failed\n"); > 294 return ret; > 295 } > 296 > 297 writel(0x00, base + ACP_CONTROL); > 298 > 299 /* power off */ > 300 ret = acp6x_power_off(base); > 301 if (ret) { > 302 pr_err("ACP power off failed\n"); > 303 return ret; > 304 } > 305 > 306 return 0; > 307 } > 308 > > -- > 0-DAY CI Kernel Test Service > https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2F01.org%2F…

1 0

[PATCH 00/11] ASoC: cleanups and improvements for jz4740-i2s
by Aidan MacDonald 07 Jul '22

07 Jul '22

This series is a preparatory cleanup of the jz4740-i2s driver before adding support for a new SoC. The last two patches lift unnecessary restrictions on sample rates and formats -- the existing ones appear to be derived from the limitations of the JZ4740's internal codec and don't reflect the actual capabilities of the I2S controller. I'm unable to test the series on any JZ47xx SoCs, but I have tested on an X1000 (which is the SoC I'll be adding in a followup series). Aidan MacDonald (11): ASoC: jz4740-i2s: Remove Open Firmware dependency ASoC: jz4740-i2s: Refactor DMA channel setup ASoC: jz4740-i2s: Convert to regmap API ASoC: jz4740-i2s: Simplify using regmap fields ASoC: jz4740-i2s: Remove unused SoC version IDs ASoC: jz4740-i2s: Use FIELD_PREP() macros in hw_params callback ASoC: jz4740-i2s: Remove some unused macros ASoC: jz4740-i2s: Align macro values and sort includes ASoC: jz4740-i2s: Make the PLL clock name SoC-specific ASoC: jz4740-i2s: Support S20_LE and S24_LE sample formats ASoC: jz4740-i2s: Support continuous sample rate sound/soc/jz4740/Kconfig | 3 +- sound/soc/jz4740/jz4740-i2s.c | 351 +++++++++++++++++----------------- 2 files changed, 177 insertions(+), 177 deletions(-) -- 2.35.1

3 27

[PATCH] ASoC: amd: fix ACPI dependency compile errors and warnings
by Vijendar Mukunda 07 Jul '22

07 Jul '22

Fixed ACPI dependency complie errors and warnings as listed below. All warnings (new ones prefixed by >>): sound/soc/soc-acpi.c:34:1: error: redefinition of 'snd_soc_acpi_find_machine' 34 | snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines) | ^~~~~~~~~~~~~~~~~~~~~~~~~ In file included from sound/soc/soc-acpi.c:9: include/sound/soc-acpi.h:38:1: note: previous definition of 'snd_soc_acpi_find_machine' with type 'struct snd_soc_acpi_mach *(struct snd_soc_acpi_mach *)' 38 | snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines) | ^~~~~~~~~~~~~~~~~~~~~~~~~ sound/soc/soc-acpi.c: In function 'snd_soc_acpi_find_package': sound/soc/soc-acpi.c:58:36: error: implicit declaration of function 'acpi_fetch_acpi_dev'; did you mean 'device_match_acpi_dev'? [-Werror=implicit-function-declaration] 58 | struct acpi_device *adev = acpi_fetch_acpi_dev(handle); | ^~~~~~~~~~~~~~~~~~~ | device_match_acpi_dev >> sound/soc/soc-acpi.c:58:36: warning: initialization of 'struct acpi_device *' from 'int' makes pointer from integer without a cast [-Wint-conversion] sound/soc/soc-acpi.c:64:25: error: invalid use of undefined type 'struct acpi_device' 64 | if (adev && adev->status.present && adev->status.functional) { | ^~ sound/soc/soc-acpi.c:64:49: error: invalid use of undefined type 'struct acpi_device' 64 | if (adev && adev->status.present && adev->status.functional) { | ^~ sound/soc/soc-acpi.c:80:26: error: implicit declaration of function 'acpi_extract_package' [-Werror=implicit-function-declaration] 80 | status = acpi_extract_package(myobj, | ^~~~~~~~~~~~~~~~~~~~ sound/soc/soc-acpi.c: At top level: sound/soc/soc-acpi.c:95:6: error: redefinition of 'snd_soc_acpi_find_package_from_hid' 95 | bool snd_soc_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN], | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from sound/soc/soc-acpi.c:9: include/sound/soc-acpi.h:44:1: note: previous definition of 'snd_soc_acpi_find_package_from_hid' with type 'bool(const u8 *, struct snd_soc_acpi_package_context *)' {aka '_Bool(const unsigned char *, struct snd_soc_acpi_package_context *)'} 44 | snd_soc_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN], | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sound/soc/soc-acpi.c:109:27: error: redefinition of 'snd_soc_acpi_codec_list' 109 | struct snd_soc_acpi_mach *snd_soc_acpi_codec_list(void *arg) | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from sound/soc/soc-acpi.c:9: include/sound/soc-acpi.h:51:41: note: previous definition of 'snd_soc_acpi_codec_list' with type 'struct snd_soc_acpi_mach *(void *)' 51 | static inline struct snd_soc_acpi_mach *snd_soc_acpi_codec_list(void *arg) | ^~~~~~~~~~~~~~~~~~~~~~~ Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda(a)amd.com> Reported-by: kernel test robot <lkp(a)intel.com> --- sound/soc/amd/Kconfig | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/sound/soc/amd/Kconfig b/sound/soc/amd/Kconfig index c373f0823462..9629328c419e 100644 --- a/sound/soc/amd/Kconfig +++ b/sound/soc/amd/Kconfig @@ -25,10 +25,9 @@ config SND_SOC_AMD_CZ_RT5645_MACH config SND_SOC_AMD_ST_ES8336_MACH tristate "AMD ST support for ES8336" - select SND_SOC_ACPI + select SND_SOC_ACPI if ACPI select SND_SOC_ES8316 - depends on SND_SOC_AMD_ACP - depends on ACPI || COMPILE_TEST + depends on SND_SOC_AMD_ACP && ACPI depends on I2C || COMPILE_TEST help This option enables machine driver for Jadeite platform -- 2.25.1

2 1

[PATCH v3] add tas2780
by Raphael-Xu 07 Jul '22

07 Jul '22

1.update Kconfig and Makefile 2.add tas2780.c and tas2780.h Signed-off-by: Raphael-Xu <13691752556(a)139.com> --- sound/soc/codecs/Kconfig | 8 + sound/soc/codecs/Makefile | 2 + sound/soc/codecs/tas2780.c | 663 +++++++++++++++++++++++++++++++++++++ sound/soc/codecs/tas2780.h | 101 ++++++ 4 files changed, 774 insertions(+) create mode 100644 sound/soc/codecs/tas2780.c create mode 100644 sound/soc/codecs/tas2780.h diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 6165db92a629..198d7a0c10dc 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -219,6 +219,7 @@ config SND_SOC_ALL_CODECS imply SND_SOC_TAS2562 imply SND_SOC_TAS2764 imply SND_SOC_TAS2770 + imply SND_SOC_TAS2780 imply SND_SOC_TAS5086 imply SND_SOC_TAS571X imply SND_SOC_TAS5720 @@ -1524,6 +1525,13 @@ config SND_SOC_TAS2770 tristate "Texas Instruments TAS2770 speaker amplifier" depends on I2C +config SND_SOC_TAS2780 + tristate "Texas Instruments TAS2780 Mono Audio amplifier" + depends on I2C + help + Enable support for Texas Instruments TAS2780 high-efficiency + digital input mono Class-D audio power amplifiers. + config SND_SOC_TAS5086 tristate "Texas Instruments TAS5086 speaker amplifier" depends on I2C diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index 28dc4edfd01f..14273b68a7ec 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -346,6 +346,7 @@ snd-soc-tpa6130a2-objs := tpa6130a2.o snd-soc-tas2552-objs := tas2552.o snd-soc-tas2562-objs := tas2562.o snd-soc-tas2764-objs := tas2764.o +snd-soc-tas2780-objs := tas2780.o # Mux snd-soc-simple-mux-objs := simple-mux.o @@ -589,6 +590,7 @@ obj-$(CONFIG_SND_SOC_STI_SAS) += snd-soc-sti-sas.o obj-$(CONFIG_SND_SOC_TAS2552) += snd-soc-tas2552.o obj-$(CONFIG_SND_SOC_TAS2562) += snd-soc-tas2562.o obj-$(CONFIG_SND_SOC_TAS2764) += snd-soc-tas2764.o +obj-$(CONFIG_SND_SOC_TAS2780) += snd-soc-tas2780.o obj-$(CONFIG_SND_SOC_TAS5086) += snd-soc-tas5086.o obj-$(CONFIG_SND_SOC_TAS571X) += snd-soc-tas571x.o obj-$(CONFIG_SND_SOC_TAS5720) += snd-soc-tas5720.o diff --git a/sound/soc/codecs/tas2780.c b/sound/soc/codecs/tas2780.c new file mode 100644 index 000000000000..a6db6f0e5431 --- /dev/null +++ b/sound/soc/codecs/tas2780.c @@ -0,0 +1,663 @@ +// SPDX-License-Identifier: GPL-2.0 +// Driver for the Texas Instruments TAS2780 Mono +// Audio amplifier +// Copyright (C) 2022 Texas Instruments Inc. + +#include <linux/module.h> +#include <linux/err.h> +#include <linux/pm.h> +#include <linux/i2c.h> +#include <linux/gpio.h> +#include <linux/gpio/consumer.h> +#include <linux/regmap.h> +#include <linux/of.h> +#include <linux/of_gpio.h> +#include <sound/soc.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/tlv.h> + +#include "tas2780.h" + +struct tas2780_priv { + struct snd_soc_component *component; + struct gpio_desc *reset_gpio; + struct regmap *regmap; + struct device *dev; + int v_sense_slot; + int i_sense_slot; +}; + +static void tas2780_reset(struct tas2780_priv *tas2780) +{ + int ret = 0; + + if (tas2780->reset_gpio) { + gpiod_set_value_cansleep(tas2780->reset_gpio, 0); + usleep_range(2000, 2050); + gpiod_set_value_cansleep(tas2780->reset_gpio, 1); + usleep_range(2000, 2050); + } + + snd_soc_component_write(tas2780->component, TAS2780_SW_RST, + TAS2780_RST); + if (ret) + dev_err(tas2780->dev, "%s:errCode:0x%x Reset error!\n", + __func__, ret); +} + +#ifdef CONFIG_PM +static int tas2780_codec_suspend(struct snd_soc_component *component) +{ + struct tas2780_priv *tas2780 = + snd_soc_component_get_drvdata(component); + int ret = 0; + + ret = snd_soc_component_update_bits(component, TAS2780_PWR_CTRL, + TAS2780_PWR_CTRL_MASK, TAS2780_PWR_CTRL_SHUTDOWN); + if (ret < 0) { + dev_err(tas2780->dev, "%s:errCode:0x%0x:power down error\n", + __func__, ret); + goto err; + } + ret = 0; + regcache_cache_only(tas2780->regmap, true); + regcache_mark_dirty(tas2780->regmap); +err: + return ret; +} + +static int tas2780_codec_resume(struct snd_soc_component *component) +{ + struct tas2780_priv *tas2780 = + snd_soc_component_get_drvdata(component); + int ret = 0; + + ret = snd_soc_component_update_bits(component, TAS2780_PWR_CTRL, + TAS2780_PWR_CTRL_MASK, TAS2780_PWR_CTRL_ACTIVE); + + if (ret < 0) { + dev_err(tas2780->dev, "%s:errCode:0x%0x:power down error\n", + __func__, ret); + goto err; + } + ret = 0; + regcache_cache_only(tas2780->regmap, false); + ret = regcache_sync(tas2780->regmap); +err: + return ret; +} +#endif + +static const char * const tas2780_ASI1_src[] = { + "I2C offset", "Left", "Right", "LeftRightDiv2", +}; + +static SOC_ENUM_SINGLE_DECL( + tas2780_ASI1_src_enum, TAS2780_TDM_CFG2, 4, tas2780_ASI1_src); + +static const struct snd_kcontrol_new tas2780_asi1_mux = + SOC_DAPM_ENUM("ASI1 Source", tas2780_ASI1_src_enum); + +static const struct snd_kcontrol_new isense_switch = + SOC_DAPM_SINGLE("Switch", TAS2780_PWR_CTRL, + TAS2780_ISENSE_POWER_EN, 1, 1); +static const struct snd_kcontrol_new vsense_switch = + SOC_DAPM_SINGLE("Switch", TAS2780_PWR_CTRL, + TAS2780_VSENSE_POWER_EN, 1, 1); + +static const struct snd_soc_dapm_widget tas2780_dapm_widgets[] = { + SND_SOC_DAPM_AIF_IN("ASI1", "ASI1 Playback", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_MUX("ASI1 Sel", SND_SOC_NOPM, 0, 0, &tas2780_asi1_mux), + SND_SOC_DAPM_SWITCH("ISENSE", TAS2780_PWR_CTRL, + TAS2780_ISENSE_POWER_EN, 1, &isense_switch), + SND_SOC_DAPM_SWITCH("VSENSE", TAS2780_PWR_CTRL, + TAS2780_VSENSE_POWER_EN, 1, &vsense_switch), + SND_SOC_DAPM_OUTPUT("OUT"), + SND_SOC_DAPM_SIGGEN("VMON"), + SND_SOC_DAPM_SIGGEN("IMON") +}; + +static const struct snd_soc_dapm_route tas2780_audio_map[] = { + {"ASI1 Sel", "I2C offset", "ASI1"}, + {"ASI1 Sel", "Left", "ASI1"}, + {"ASI1 Sel", "Right", "ASI1"}, + {"ASI1 Sel", "LeftRightDiv2", "ASI1"}, + {"OUT", NULL, "ASI1 Sel"}, + {"ISENSE", "Switch", "IMON"}, + {"VSENSE", "Switch", "VMON"}, +}; + +static int tas2780_mute(struct snd_soc_dai *dai, int mute, int direction) +{ + struct snd_soc_component *component = dai->component; + struct tas2780_priv *tas2780 = + snd_soc_component_get_drvdata(component); + int ret = 0; + + ret = snd_soc_component_update_bits(component, TAS2780_PWR_CTRL, + TAS2780_PWR_CTRL_MASK, + mute ? TAS2780_PWR_CTRL_MUTE : 0); + if (ret < 0) { + dev_err(tas2780->dev, "%s: Failed to set powercontrol\n", + __func__); + goto err; + } + ret = 0; +err: + return ret; +} + +static int tas2780_set_bitwidth(struct tas2780_priv *tas2780, int bitwidth) +{ + struct snd_soc_component *component = tas2780->component; + int sense_en; + int val; + int ret; + int slot_size; + + switch (bitwidth) { + case SNDRV_PCM_FORMAT_S16_LE: + ret = snd_soc_component_update_bits(component, + TAS2780_TDM_CFG2, + TAS2780_TDM_CFG2_RXW_MASK, + TAS2780_TDM_CFG2_RXW_16BITS); + slot_size = TAS2780_TDM_CFG2_RXS_16BITS; + break; + case SNDRV_PCM_FORMAT_S24_LE: + ret = snd_soc_component_update_bits(component, + TAS2780_TDM_CFG2, + TAS2780_TDM_CFG2_RXW_MASK, + TAS2780_TDM_CFG2_RXW_24BITS); + slot_size = TAS2780_TDM_CFG2_RXS_24BITS; + break; + case SNDRV_PCM_FORMAT_S32_LE: + ret = snd_soc_component_update_bits(component, + TAS2780_TDM_CFG2, + TAS2780_TDM_CFG2_RXW_MASK, + TAS2780_TDM_CFG2_RXW_32BITS); + slot_size = TAS2780_TDM_CFG2_RXS_32BITS; + break; + + default: + ret = -EINVAL; + } + + if (ret < 0) { + dev_err(tas2780->dev, "%s:errCode:0x%x set bitwidth error\n", + __func__, ret); + goto err; + } + + ret = snd_soc_component_update_bits(component, TAS2780_TDM_CFG2, + TAS2780_TDM_CFG2_RXS_MASK, slot_size); + if (ret < 0) { + dev_err(tas2780->dev, + "%s:errCode:0x%x set RX slot size error\n", + __func__, ret); + goto err; + } + + val = snd_soc_component_read(tas2780->component, TAS2780_PWR_CTRL); + if (val < 0) { + dev_err(tas2780->dev, "%s:errCode:0x%x read PWR_CTRL error\n", + __func__, val); + ret = val; + goto err; + } + + if (val & (1 << TAS2780_VSENSE_POWER_EN)) + sense_en = 0; + else + sense_en = TAS2780_TDM_CFG5_VSNS_ENABLE; + + ret = snd_soc_component_update_bits(tas2780->component, + TAS2780_TDM_CFG5, TAS2780_TDM_CFG5_VSNS_ENABLE, sense_en); + if (ret < 0) { + dev_err(tas2780->dev, "%s:errCode:0x%x enable vSNS error\n", + __func__, ret); + goto err; + } + + if (val & (1 << TAS2780_ISENSE_POWER_EN)) + sense_en = 0; + else + sense_en = TAS2780_TDM_CFG6_ISNS_ENABLE; + + ret = snd_soc_component_update_bits(tas2780->component, + TAS2780_TDM_CFG6, TAS2780_TDM_CFG6_ISNS_ENABLE, sense_en); + if (ret < 0) { + dev_err(tas2780->dev, "%s:errCode:0x%x enable iSNS error\n", + __func__, ret); + goto err; + } + ret = 0; +err: + return ret; +} + +static int tas2780_set_samplerate( + struct tas2780_priv *tas2780, int samplerate) +{ + struct snd_soc_component *component = tas2780->component; + int ramp_rate_val; + int ret; + + switch (samplerate) { + case 48000: + ramp_rate_val = TAS2780_TDM_CFG0_SMP_48KHZ | + TAS2780_TDM_CFG0_44_1_48KHZ; + break; + case 44100: + ramp_rate_val = TAS2780_TDM_CFG0_SMP_44_1KHZ | + TAS2780_TDM_CFG0_44_1_48KHZ; + break; + case 96000: + ramp_rate_val = TAS2780_TDM_CFG0_SMP_48KHZ | + TAS2780_TDM_CFG0_88_2_96KHZ; + break; + case 88200: + ramp_rate_val = TAS2780_TDM_CFG0_SMP_44_1KHZ | + TAS2780_TDM_CFG0_88_2_96KHZ; + break; + default: + return -EINVAL; + } + ret = snd_soc_component_update_bits(component, TAS2780_TDM_CFG0, + TAS2780_TDM_CFG0_SMP_MASK | TAS2780_TDM_CFG0_MASK, + ramp_rate_val); + if (ret < 0) { + dev_err(tas2780->dev, + "%s:errCode:0x%x Failed to set ramp_rate_val\n", + __func__, ret); + goto err; + } + ret = 0; +err: + return ret; +} + +static int tas2780_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct tas2780_priv *tas2780 = + snd_soc_component_get_drvdata(component); + int ret; + + ret = tas2780_set_bitwidth(tas2780, params_format(params)); + if (ret < 0) + return ret; + + return tas2780_set_samplerate(tas2780, params_rate(params)); +} + +static int tas2780_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) +{ + struct snd_soc_component *component = dai->component; + struct tas2780_priv *tas2780 = + snd_soc_component_get_drvdata(component); + u8 tdm_rx_start_slot = 0, asi_cfg_1 = 0; + int iface; + int ret = 0; + + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + asi_cfg_1 = TAS2780_TDM_CFG1_RX_RISING; + break; + case SND_SOC_DAIFMT_IB_NF: + asi_cfg_1 = TAS2780_TDM_CFG1_RX_FALLING; + break; + default: + dev_err(tas2780->dev, "ASI format Inverse is not found\n"); + return -EINVAL; + } + + ret = snd_soc_component_update_bits(component, TAS2780_TDM_CFG1, + TAS2780_TDM_CFG1_RX_MASK, asi_cfg_1); + if (ret < 0) { + dev_err(tas2780->dev, + "%s:errCode:0x%x Failed to set asi_cfg_1\n", + __func__, ret); + goto err; + } + + if (((fmt & SND_SOC_DAIFMT_FORMAT_MASK) == SND_SOC_DAIFMT_I2S) + || ((fmt & SND_SOC_DAIFMT_FORMAT_MASK) + == SND_SOC_DAIFMT_DSP_A)){ + iface = TAS2780_TDM_CFG2_SCFG_I2S; + tdm_rx_start_slot = 1; + } else { + if (((fmt & SND_SOC_DAIFMT_FORMAT_MASK) + == SND_SOC_DAIFMT_DSP_B) + || ((fmt & SND_SOC_DAIFMT_FORMAT_MASK) + == SND_SOC_DAIFMT_LEFT_J)) { + iface = TAS2780_TDM_CFG2_SCFG_LEFT_J; + tdm_rx_start_slot = 0; + } else { + dev_err(tas2780->dev, + "%s:DAI Format is not found, fmt=0x%x\n", + __func__, fmt); + ret = -EINVAL; + goto err; + } + } + ret = snd_soc_component_update_bits(component, TAS2780_TDM_CFG1, + TAS2780_TDM_CFG1_MASK, + (tdm_rx_start_slot << TAS2780_TDM_CFG1_51_SHIFT)); + if (ret < 0) { + dev_err(tas2780->dev, + "%s:errCode:0x%x Failed to set tdm_rx_start_slot\n", + __func__, ret); + goto err; + } + + ret = snd_soc_component_update_bits(component, TAS2780_TDM_CFG2, + TAS2780_TDM_CFG2_SCFG_MASK, iface); + if (ret < 0) { + dev_err(tas2780->dev, "%s:errCode:0x%x Failed to set iface\n", + __func__, ret); + goto err; + } + ret = 0; +err: + return ret; +} + +static int tas2780_set_dai_tdm_slot(struct snd_soc_dai *dai, + unsigned int tx_mask, + unsigned int rx_mask, + int slots, int slot_width) +{ + struct snd_soc_component *component = dai->component; + struct tas2780_priv *tas2780 = + snd_soc_component_get_drvdata(component); + int left_slot, right_slot; + int slots_cfg; + int slot_size; + int ret = 0; + + if (tx_mask == 0 || rx_mask != 0) + return -EINVAL; + + if (slots == 1) { + if (tx_mask != 1) + return -EINVAL; + left_slot = 0; + right_slot = 0; + } else { + left_slot = __ffs(tx_mask); + tx_mask &= ~(1 << left_slot); + if (tx_mask == 0) { + right_slot = left_slot; + } else { + right_slot = __ffs(tx_mask); + tx_mask &= ~(1 << right_slot); + } + } + + if (tx_mask != 0 || left_slot >= slots || right_slot >= slots) + return -EINVAL; + + slots_cfg = (right_slot << TAS2780_TDM_CFG3_RXS_SHIFT) | left_slot; + ret = snd_soc_component_write(component, TAS2780_TDM_CFG3, slots_cfg); + if (ret) { + dev_err(tas2780->dev, + "%s:errCode:0x%x Failed to set slots_cfg\n", + __func__, ret); + goto err; + } + + switch (slot_width) { + case 16: + slot_size = TAS2780_TDM_CFG2_RXS_16BITS; + break; + case 24: + slot_size = TAS2780_TDM_CFG2_RXS_24BITS; + break; + case 32: + slot_size = TAS2780_TDM_CFG2_RXS_32BITS; + break; + default: + ret = -EINVAL; + goto err; + } + + ret = snd_soc_component_update_bits(component, TAS2780_TDM_CFG2, + TAS2780_TDM_CFG2_RXS_MASK, slot_size); + if (ret < 0) { + dev_err(tas2780->dev, + "%s:errCode:0x%x Failed to set slot_size\n", + __func__, ret); + goto err; + } + + ret = snd_soc_component_update_bits(component, TAS2780_TDM_CFG5, + TAS2780_TDM_CFG5_50_MASK, tas2780->v_sense_slot); + if (ret < 0) { + dev_err(tas2780->dev, + "%s:errCode:0x%x Failed to set v_sense_slot\n", + __func__, ret); + goto err; + } + + ret = snd_soc_component_update_bits(component, TAS2780_TDM_CFG6, + TAS2780_TDM_CFG6_50_MASK, tas2780->i_sense_slot); + if (ret < 0) { + dev_err(tas2780->dev, + "%s:errCode:0x%x Failed to set i_sense_slot\n", + __func__, ret); + goto err; + } + ret = 0; +err: + return ret; +} + +static const struct snd_soc_dai_ops tas2780_dai_ops = { + .mute_stream = tas2780_mute, + .hw_params = tas2780_hw_params, + .set_fmt = tas2780_set_fmt, + .set_tdm_slot = tas2780_set_dai_tdm_slot, + .no_capture_mute = 1, +}; + +#define TAS2780_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ + SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) + +#define TAS2780_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\ + SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_88200) + +static struct snd_soc_dai_driver tas2780_dai_driver[] = { + { + .name = "tas2780 ASI1", + .id = 0, + .playback = { + .stream_name = "ASI1 Playback", + .channels_min = 2, + .channels_max = 2, + .rates = TAS2780_RATES, + .formats = TAS2780_FORMATS, + }, + .capture = { + .stream_name = "ASI1 Capture", + .channels_min = 1, + .channels_max = 2, + .rates = TAS2780_RATES, + .formats = TAS2780_FORMATS, + }, + .ops = &tas2780_dai_ops, + .symmetric_rate = 1, + }, +}; + +static int tas2780_codec_probe(struct snd_soc_component *component) +{ + struct tas2780_priv *tas2780 = + snd_soc_component_get_drvdata(component); + int ret = 0; + + tas2780->component = component; + + tas2780_reset(tas2780); + ret = snd_soc_component_update_bits(component, + TAS2780_IC_CFG, TAS2780_IC_CFG_MASK, + TAS2780_IC_CFG_ENABLE); + if (ret < 0) + dev_err(tas2780->dev, "%s:errCode:0x%0x\n", + __func__, ret); + + return ret; +} + +static DECLARE_TLV_DB_SCALE(tas2780_digital_tlv, 1100, 50, 0); +static DECLARE_TLV_DB_SCALE(tas2780_playback_volume, -10000, 50, 0); + +static const struct snd_kcontrol_new tas2780_snd_controls[] = { + SOC_SINGLE_TLV("Speaker Volume", TAS2780_DVC, 0, + TAS2780_DVC_MAX, 1, tas2780_playback_volume), + SOC_SINGLE_TLV("Amp Gain Volume", TAS2780_CHNL_0, 0, 0x14, 0, + tas2780_digital_tlv), +}; + +static const struct snd_soc_component_driver soc_component_driver_tas2780 = { + .probe = tas2780_codec_probe, +#ifdef CONFIG_PM + .suspend = tas2780_codec_suspend, + .resume = tas2780_codec_resume, +#endif + .controls = tas2780_snd_controls, + .num_controls = ARRAY_SIZE(tas2780_snd_controls), + .dapm_widgets = tas2780_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(tas2780_dapm_widgets), + .dapm_routes = tas2780_audio_map, + .num_dapm_routes = ARRAY_SIZE(tas2780_audio_map), + .idle_bias_on = 1, + .endianness = 1, +}; + +static const struct reg_default tas2780_reg_defaults[] = { + { TAS2780_PAGE, 0x00 }, + { TAS2780_SW_RST, 0x00 }, + { TAS2780_PWR_CTRL, 0x1a }, + { TAS2780_DVC, 0x00 }, + { TAS2780_CHNL_0, 0x00 }, + { TAS2780_TDM_CFG0, 0x09 }, + { TAS2780_TDM_CFG1, 0x02 }, + { TAS2780_TDM_CFG2, 0x0a }, + { TAS2780_TDM_CFG3, 0x10 }, + { TAS2780_TDM_CFG5, 0x42 }, +}; + +static const struct regmap_range_cfg tas2780_regmap_ranges[] = { + { + .range_min = 0, + .range_max = 1 * 128, + .selector_reg = TAS2780_PAGE, + .selector_mask = 0xff, + .selector_shift = 0, + .window_start = 0, + .window_len = 128, + }, +}; + +static const struct regmap_config tas2780_i2c_regmap = { + .reg_bits = 8, + .val_bits = 8, + .reg_defaults = tas2780_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(tas2780_reg_defaults), + .cache_type = REGCACHE_RBTREE, + .ranges = tas2780_regmap_ranges, + .num_ranges = ARRAY_SIZE(tas2780_regmap_ranges), + .max_register = 1 * 128, +}; + +static int tas2780_parse_dt(struct device *dev, struct tas2780_priv *tas2780) +{ + int ret = 0; + + tas2780->reset_gpio = devm_gpiod_get_optional(tas2780->dev, "reset", + GPIOD_OUT_HIGH); + if (IS_ERR(tas2780->reset_gpio)) { + if (PTR_ERR(tas2780->reset_gpio) == -EPROBE_DEFER) { + tas2780->reset_gpio = NULL; + return -EPROBE_DEFER; + } + } + + ret = fwnode_property_read_u32(dev->fwnode, "ti,imon-slot-no", + &tas2780->i_sense_slot); + if (ret) + tas2780->i_sense_slot = 0; + + ret = fwnode_property_read_u32(dev->fwnode, "ti,vmon-slot-no", + &tas2780->v_sense_slot); + if (ret) + tas2780->v_sense_slot = 2; + + return 0; +} + +static int tas2780_i2c_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct tas2780_priv *tas2780; + int result; + + tas2780 = devm_kzalloc(&client->dev, sizeof(struct tas2780_priv), + GFP_KERNEL); + if (!tas2780) + return -ENOMEM; + tas2780->dev = &client->dev; + i2c_set_clientdata(client, tas2780); + dev_set_drvdata(&client->dev, tas2780); + + tas2780->regmap = devm_regmap_init_i2c(client, &tas2780_i2c_regmap); + if (IS_ERR(tas2780->regmap)) { + result = PTR_ERR(tas2780->regmap); + dev_err(&client->dev, "Failed to allocate register map: %d\n", + result); + return result; + } + + if (client->dev.of_node) { + result = tas2780_parse_dt(&client->dev, tas2780); + if (result) { + dev_err(tas2780->dev, + "%s: Failed to parse devicetree\n", __func__); + return result; + } + } + + return devm_snd_soc_register_component(tas2780->dev, + &soc_component_driver_tas2780, tas2780_dai_driver, + ARRAY_SIZE(tas2780_dai_driver)); +} + +static const struct i2c_device_id tas2780_i2c_id[] = { + { "tas2780", 0}, + { } +}; +MODULE_DEVICE_TABLE(i2c, tas2780_i2c_id); + +#if defined(CONFIG_OF) +static const struct of_device_id tas2780_of_match[] = { + { .compatible = "ti,tas2780" }, + {}, +}; +MODULE_DEVICE_TABLE(of, tas2780_of_match); +#endif + +static struct i2c_driver tas2780_i2c_driver = { + .driver = { + .name = "tas2780", + .of_match_table = of_match_ptr(tas2780_of_match), + }, + .probe = tas2780_i2c_probe, + .id_table = tas2780_i2c_id, +}; +module_i2c_driver(tas2780_i2c_driver); + +MODULE_AUTHOR("Raphael Xu <raphael-xu(a)ti.com>"); +MODULE_DESCRIPTION("TAS2780 I2C Smart Amplifier driver"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/tas2780.h b/sound/soc/codecs/tas2780.h new file mode 100644 index 000000000000..661c25df4e29 --- /dev/null +++ b/sound/soc/codecs/tas2780.h @@ -0,0 +1,101 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * TAS2780.h - ALSA SoC Texas Instruments TAS2780 Mono Audio Amplifier + * + * Copyright (C) 2020-2022 Texas Instruments Incorporated - https://www.ti.com + * + * Author: Raphael Xu <raphael-xu(a)ti.com> + */ + +#ifndef __TAS2780_H__ +#define __TAS2780_H__ + +/* Book Control Register */ +#define TAS2780_BOOKCTL_PAGE 0 +#define TAS2780_BOOKCTL_REG 127 +#define TAS2780_REG(page, reg) ((page * 128) + reg) + +/* Page */ +#define TAS2780_PAGE TAS2780_REG(0X0, 0x00) +#define TAS2780_PAGE_PAGE_MASK 255 + +/* Software Reset */ +#define TAS2780_SW_RST TAS2780_REG(0X0, 0x01) +#define TAS2780_RST BIT(0) + +/* Power Control */ +#define TAS2780_PWR_CTRL TAS2780_REG(0X0, 0x02) +#define TAS2780_PWR_CTRL_MASK GENMASK(1, 0) +#define TAS2780_PWR_CTRL_ACTIVE 0x0 +#define TAS2780_PWR_CTRL_MUTE BIT(0) +#define TAS2780_PWR_CTRL_SHUTDOWN BIT(1) + +#define TAS2780_VSENSE_POWER_EN 3 +#define TAS2780_ISENSE_POWER_EN 4 + +/* Digital Volume Control */ +#define TAS2780_DVC TAS2780_REG(0X0, 0x1a) +#define TAS2780_DVC_MAX 0xc9 + +#define TAS2780_CHNL_0 TAS2780_REG(0X0, 0x03) + +/* TDM Configuration Reg0 */ +#define TAS2780_TDM_CFG0 TAS2780_REG(0X0, 0x08) +#define TAS2780_TDM_CFG0_SMP_MASK BIT(5) +#define TAS2780_TDM_CFG0_SMP_48KHZ 0x0 +#define TAS2780_TDM_CFG0_SMP_44_1KHZ BIT(5) +#define TAS2780_TDM_CFG0_MASK GENMASK(3, 1) +#define TAS2780_TDM_CFG0_44_1_48KHZ BIT(3) +#define TAS2780_TDM_CFG0_88_2_96KHZ (BIT(3) | BIT(1)) + +/* TDM Configuration Reg1 */ +#define TAS2780_TDM_CFG1 TAS2780_REG(0X0, 0x09) +#define TAS2780_TDM_CFG1_MASK GENMASK(5, 1) +#define TAS2780_TDM_CFG1_51_SHIFT 1 +#define TAS2780_TDM_CFG1_RX_MASK BIT(0) +#define TAS2780_TDM_CFG1_RX_RISING 0x0 +#define TAS2780_TDM_CFG1_RX_FALLING BIT(0) + +/* TDM Configuration Reg2 */ +#define TAS2780_TDM_CFG2 TAS2780_REG(0X0, 0x0a) +#define TAS2780_TDM_CFG2_RXW_MASK GENMASK(3, 2) +#define TAS2780_TDM_CFG2_RXW_16BITS 0x0 +#define TAS2780_TDM_CFG2_RXW_24BITS BIT(3) +#define TAS2780_TDM_CFG2_RXW_32BITS (BIT(3) | BIT(2)) +#define TAS2780_TDM_CFG2_RXS_MASK GENMASK(1, 0) +#define TAS2780_TDM_CFG2_RXS_16BITS 0x0 +#define TAS2780_TDM_CFG2_RXS_24BITS BIT(0) +#define TAS2780_TDM_CFG2_RXS_32BITS BIT(1) +#define TAS2780_TDM_CFG2_SCFG_MASK GENMASK(5, 4) +#define TAS2780_TDM_CFG2_SCFG_I2S 0x0 +#define TAS2780_TDM_CFG2_SCFG_LEFT_J BIT(4) +#define TAS2780_TDM_CFG2_SCFG_RIGHT_J BIT(5) + +/* TDM Configuration Reg3 */ +#define TAS2780_TDM_CFG3 TAS2780_REG(0X0, 0x0c) +#define TAS2780_TDM_CFG3_RXS_MASK GENMASK(7, 4) +#define TAS2780_TDM_CFG3_RXS_SHIFT 0x4 +#define TAS2780_TDM_CFG3_MASK GENMASK(3, 0) + +/* TDM Configuration Reg4 */ +#define TAS2780_TDM_CFG4 TAS2780_REG(0X0, 0x0d) +#define TAS2780_TDM_CFG4_TX_OFFSET_MASK GENMASK(3, 1) + +/* TDM Configuration Reg5 */ +#define TAS2780_TDM_CFG5 TAS2780_REG(0X0, 0x0e) +#define TAS2780_TDM_CFG5_VSNS_MASK BIT(6) +#define TAS2780_TDM_CFG5_VSNS_ENABLE BIT(6) +#define TAS2780_TDM_CFG5_50_MASK GENMASK(5, 0) + +/* TDM Configuration Reg6 */ +#define TAS2780_TDM_CFG6 TAS2780_REG(0X0, 0x0f) +#define TAS2780_TDM_CFG6_ISNS_MASK BIT(6) +#define TAS2780_TDM_CFG6_ISNS_ENABLE BIT(6) +#define TAS2780_TDM_CFG6_50_MASK GENMASK(5, 0) + +/* IC CFG */ +#define TAS2780_IC_CFG TAS2780_REG(0X0, 0x5c) +#define TAS2780_IC_CFG_MASK GENMASK(7, 6) +#define TAS2780_IC_CFG_ENABLE (BIT(7) | BIT(6)) + +#endif /* __TAS2780_H__ */ -- 2.35.1

2 1

[Enhancement] aplay: make stream pause/resume automation/script friendly
by GitHub issues - opened 07 Jul '22

07 Jul '22

alsa-project/alsa-utils issue #155 was opened from aiChaoSONG: There is an `-i` option for interactive mode, in the interactive mode, we are able to pause/resume the playback/capture stream with SPACE key, which is very good. However we have to do this in a terminal, because there is a isatty check on the stdin, this is not friendly for automation/script to test audio pause/resume feature with aplay. Is it possible to remove the isatty check, so that we can do pause/result test with a single stdin redirection? Another possible fix is that we can make use of the SIGUSR2, so that we pause/resume stream by sending signal to the aplay process. @perexg Issue URL : https://github.com/alsa-project/alsa-utils/issues/155 Repository URL: https://github.com/alsa-project/alsa-utils

1 0

How to get mixer control index from UCM
by GitHub issues - edited 07 Jul '22

07 Jul '22

alsa-project/alsa-lib issue #248 was edited from Zames-Chang: I use Corsair VOID ELITE USB Gaming Headset. However this headset have two same name control ``` $ amixer -c 1 scontrols Simple mixer control 'Auto Gain Control',0 Simple mixer control 'Headset',0 Simple mixer control 'Headset',1 ``` use command to change 'Headset',0 is actually not working. But change 'Headset',1 will work. I want write a UCM to indicate that when seeing this headset, choose the name 'Headset' with index 1 not index 0. I have seen [use-case.h](https://github.com/alsa-project/alsa-lib/blob/master/include/us… recommended names for values, but I don't find a proper name to describe control index. Is there any suggestion about how to write control index in UCM file? Issue URL : https://github.com/alsa-project/alsa-lib/issues/248 Repository URL: https://github.com/alsa-project/alsa-lib

1 0

How to get mixer control index from UCM
by GitHub issues - opened 07 Jul '22

07 Jul '22

alsa-project/alsa-lib issue #248 was opened from Zames-Chang: I use Corsair VOID ELITE USB Gaming Headset. However this headset have two same name control ``` $ amixer -c 1 scontrols Simple mixer control 'Auto Gain Control',0 Simple mixer control 'Headset',0 Simple mixer control 'Headset',1 ``` use command to change 'Headset',0 is actually not working. But change 'Headset',1 will work. I want write a UCM to indicate that when seeing this headset, choose the name 'Headset' with index 1 not index 0. Does UCM and alsa api able to do so? Issue URL : https://github.com/alsa-project/alsa-lib/issues/248 Repository URL: https://github.com/alsa-project/alsa-lib

1 0