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Re: [PATCH 01/10] MIPS: TX49xx: Drop support
by Guenter Roeck 05 Jan '21

05 Jan '21

On 1/5/21 6:02 AM, Thomas Bogendoerfer wrote: > Looks like there are no boards with TX49xx CPUS other than reference > boards available. So it's time to drop Linux support for it. > > Signed-off-by: Thomas Bogendoerfer <tsbogend(a)alpha.franken.de> > --- > drivers/watchdog/Kconfig | 2 +- Acked-by: Guenter Roeck <linux(a)roeck-us.net> Guenter

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[RFC][PATCH v3 0/4] design a way to change audio Jack state by software
by Hui Wang 05 Jan '21

05 Jan '21

the changes in the v3 (for easy to review, divide change into 4 patches): - address the comment about the snd_jack_report() and _snd_jack_report(), the v2 design is hard to understand and is hard to review, in the v3, separate the jack_report to snd_jack_report() and snd_jack_inject_report(), hw jack events call snd_jack_report() as before, if a jack contains multi jack_kctl and the jack_kctl's sw_inject is enabled, the status and the related input-dev's events will not be reproted. The injection events call snd_jack_inject_report(). This change is squashed to 0001-xxx.patch, the rest part of 0001-xxx.patch is same as v2. - address the comment about folders'name in the 0002-xxx.patch, so far, drop the '/', ',', '=' and ' ' from the folders' name. - address the comment about adding more debugfs nodes in the 0003-xxx.patch, it adds kctl_id, mask_bits, status and type. - address the comment about save-n-restore jack's hw status in the 0004-xxx.patch, adding a hw_status_cache and save the last reported jack hw event, once the sw_inject is disabled, will restore all jack_kctl's state under the same snd_jack with hw_status_cache. Now the layout of folders looks like below: /sys/kernel/debug# tree sound-core/ sound-core/ └── card0 ├── HDMIDPpcm3Jack │ ├── jackin_inject │ ├── kctl_id │ ├── mask_bits │ ├── status │ ├── sw_inject_enable │ └── type ├── HDMIDPpcm4Jack │ ├── jackin_inject │ ├── kctl_id │ ├── mask_bits │ ├── status │ ├── sw_inject_enable │ └── type ├── HDMIDPpcm5Jack │ ├── jackin_inject │ ├── kctl_id │ ├── mask_bits │ ├── status │ ├── sw_inject_enable │ └── type ├── HeadphoneJack │ ├── jackin_inject │ ├── kctl_id │ ├── mask_bits │ ├── status │ ├── sw_inject_enable │ └── type └── MicJack ├── jackin_inject ├── kctl_id ├── mask_bits ├── status ├── sw_inject_enable └── type /sys/kernel/debug# cat sound-core/card0/HeadphoneJack/kctl_id Headphone Jack /sys/kernel/debug# cat sound-core/card0/HeadphoneJack/mask_bits 0x0001 HEADPHONE(0x0001) /sys/kernel/debug# cat sound-core/card0/HeadphoneJack/status 0x0000 /sys/kernel/debug# cat sound-core/card0/HeadphoneJack/sw_inject_enable Jack: Headphone Jack Inject Enabled: 0 /sys/kernel/debug# cat sound-core/card0/HeadphoneJack/type 0x0001 HEADPHONE(0x0001) the changes in the V2: - using debugfs instead of sysfs - using jack_ctrl to create a folder instead of snd_jack, since ASoC drivers could create multi jack_ctrls within a snd_jack - create a folder for each jack_ctrl instead for all jack_ctrls [ snip ] Hui Wang (4): alsa: jack: implement software jack injection via debugfs alsa: jack: adjust jack_kctl debugfs folder's name alsa: jack: add more jack_kctl debugfs nodes alsa: jack: implement save-and-restore for jack's hw status include/sound/core.h | 2 + include/sound/jack.h | 1 + sound/core/init.c | 7 + sound/core/jack.c | 351 ++++++++++++++++++++++++++++++++++++++++++- sound/core/sound.c | 8 + 5 files changed, 365 insertions(+), 4 deletions(-) -- 2.25.1

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[PATCH] ASoC: wm8962: Add optional mclk device tree binding
by Adam Ford 04 Jan '21

04 Jan '21

The driver can request an optional clock for mclk. Update the txt file to reflect this. Suggested-by: Geert Uytterhoeven <geert(a)linux-m68k.org> Signed-off-by: Adam Ford <aford173(a)gmail.com> diff --git a/Documentation/devicetree/bindings/sound/wm8962.txt b/Documentation/devicetree/bindings/sound/wm8962.txt index dcfa9a3369fd..c36c649ddfd0 100644 --- a/Documentation/devicetree/bindings/sound/wm8962.txt +++ b/Documentation/devicetree/bindings/sound/wm8962.txt @@ -9,6 +9,9 @@ Required properties: - reg : the I2C address of the device. Optional properties: + + - clocks : The clock source of the mclk + - spk-mono: This is a boolean property. If present, the SPK_MONO bit of R51 (Class D Control 2) gets set, indicating that the speaker is in mono mode. @@ -27,6 +30,7 @@ Example: wm8962: codec@1a { compatible = "wlf,wm8962"; reg = <0x1a>; + clocks = <&clks IMX6QDL_CLK_CKO>; gpio-cfg = < 0x0000 /* 0:Default */ -- 2.25.1

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[PATCH] ASoC: fsl_aud2htx: select SND_SOC_IMX_PCM_DMA
by Arnd Bergmann 04 Jan '21

04 Jan '21

From: Arnd Bergmann <arnd(a)arndb.de> The newly added driver requires DMA support and fails to build when that is disabled: aarch64-linux-ld: sound/soc/fsl/fsl_aud2htx.o: in function `fsl_aud2htx_probe': fsl_aud2htx.c:(.text+0x3e0): undefined reference to `imx_pcm_dma_init' Fixes: 8a24c834c053 ("ASoC: fsl_aud2htx: Add aud2htx module driver") Signed-off-by: Arnd Bergmann <arnd(a)arndb.de> --- sound/soc/fsl/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig index 84db0b7b9d59..d7f30036d434 100644 --- a/sound/soc/fsl/Kconfig +++ b/sound/soc/fsl/Kconfig @@ -108,6 +108,7 @@ config SND_SOC_FSL_XCVR config SND_SOC_FSL_AUD2HTX tristate "AUDIO TO HDMI TX module support" depends on ARCH_MXC || COMPILE_TEST + select SND_SOC_IMX_PCM_DMA if SND_IMX_SOC != n help Say Y if you want to add AUDIO TO HDMI TX support for NXP. -- 2.29.2

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[PATCH] ALSA: hda/via: Fix runtime PM for Clevo W35xSS
by Takashi Iwai 04 Jan '21

04 Jan '21

Clevo W35xSS_370SS with VIA codec has had the runtime PM problem that looses the power state of some nodes after the runtime resume. This was worked around by disabling the default runtime PM via a denylist entry. Since 5.10.x made the runtime PM applied (casually) even though it's disabled in the denylist, this problem was revisited. The result was that disabling power_save_node feature suffices for the runtime PM problem. This patch implements the disablement of power_save_node feature in VIA codec for the device. It also drops the former denylist entry, too, as the runtime PM should work in the codec side properly now. Fixes: b529ef2464ad ("ALSA: hda: Add Clevo W35xSS_370SS to the power_save blacklist") Reported-by: Christian Labisch <clnetbox(a)gmail.com> Cc: <stable(a)vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai(a)suse.de> --- sound/pci/hda/hda_intel.c | 2 -- sound/pci/hda/patch_via.c | 13 +++++++++++++ 2 files changed, 13 insertions(+), 2 deletions(-) diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 6852668f1bcb..770ad25f1907 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -2220,8 +2220,6 @@ static const struct snd_pci_quirk power_save_denylist[] = { SND_PCI_QUIRK(0x1849, 0x7662, "Asrock H81M-HDS", 0), /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ SND_PCI_QUIRK(0x1043, 0x8733, "Asus Prime X370-Pro", 0), - /* https://bugzilla.redhat.com/show_bug.cgi?id=1581607 */ - SND_PCI_QUIRK(0x1558, 0x3501, "Clevo W35xSS_370SS", 0), /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ SND_PCI_QUIRK(0x1558, 0x6504, "Clevo W65_67SB", 0), /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c index 7ef8f3105cdb..0ab40a8a68fb 100644 --- a/sound/pci/hda/patch_via.c +++ b/sound/pci/hda/patch_via.c @@ -1002,6 +1002,7 @@ static const struct hda_verb vt1802_init_verbs[] = { enum { VIA_FIXUP_INTMIC_BOOST, VIA_FIXUP_ASUS_G75, + VIA_FIXUP_POWER_SAVE, }; static void via_fixup_intmic_boost(struct hda_codec *codec, @@ -1011,6 +1012,13 @@ static void via_fixup_intmic_boost(struct hda_codec *codec, override_mic_boost(codec, 0x30, 0, 2, 40); } +static void via_fixup_power_save(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + if (action == HDA_FIXUP_ACT_PRE_PROBE) + codec->power_save_node = 0; +} + static const struct hda_fixup via_fixups[] = { [VIA_FIXUP_INTMIC_BOOST] = { .type = HDA_FIXUP_FUNC, @@ -1025,11 +1033,16 @@ static const struct hda_fixup via_fixups[] = { { } } }, + [VIA_FIXUP_POWER_SAVE] = { + .type = HDA_FIXUP_FUNC, + .v.func = via_fixup_power_save, + }, }; static const struct snd_pci_quirk vt2002p_fixups[] = { SND_PCI_QUIRK(0x1043, 0x1487, "Asus G75", VIA_FIXUP_ASUS_G75), SND_PCI_QUIRK(0x1043, 0x8532, "Asus X202E", VIA_FIXUP_INTMIC_BOOST), + SND_PCI_QUIRK(0x1558, 0x3501, "Clevo W35xSS_370SS", VIA_FIXUP_POWER_SAVE), {} }; -- 2.26.2

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[PATCH] ASoC: rt1015: modify calibration sequence for better performance
by Jack Yu 04 Jan '21

04 Jan '21

New calibration sequence to fix power issue in idle state. Signed-off-by: Jack Yu <jack.yu(a)realtek.com> --- sound/soc/codecs/rt1015.c | 40 ++++++++++----------------------------- 1 file changed, 10 insertions(+), 30 deletions(-) diff --git a/sound/soc/codecs/rt1015.c b/sound/soc/codecs/rt1015.c index 32e6bcf763d1..5fdf7bbfd375 100644 --- a/sound/soc/codecs/rt1015.c +++ b/sound/soc/codecs/rt1015.c @@ -497,40 +497,20 @@ static void rt1015_calibrate(struct rt1015_priv *rt1015) snd_soc_dapm_mutex_lock(&component->dapm); regcache_cache_bypass(regmap, true); - regmap_write(regmap, RT1015_PWR9, 0xAA60); - regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x0089); - regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x008A); - regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x008C); - regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x008D); - regmap_write(regmap, RT1015_PWR4, 0x80B2); - regmap_write(regmap, RT1015_CLASSD_SEQ, 0x5797); - regmap_write(regmap, RT1015_CLSD_INTERNAL8, 0x2100); - regmap_write(regmap, RT1015_CLSD_INTERNAL9, 0x0100); - regmap_write(regmap, RT1015_PWR5, 0x2175); - regmap_write(regmap, RT1015_MIXER1, 0x005D); - regmap_write(regmap, RT1015_CLSD_INTERNAL1, 0x00A1); - regmap_write(regmap, RT1015_CLSD_INTERNAL2, 0x12F7); - regmap_write(regmap, RT1015_DC_CALIB_CLSD1, 0x1205); - msleep(200); - regmap_write(regmap, RT1015_CLSD_INTERNAL8, 0x2000); - regmap_write(regmap, RT1015_CLSD_INTERNAL9, 0x0180); - regmap_write(regmap, RT1015_CLSD_INTERNAL1, 0x00A1); - regmap_write(regmap, RT1015_DC_CALIB_CLSD1, 0x0A05); - msleep(200); + regmap_write(regmap, RT1015_CLK_DET, 0x0000); regmap_write(regmap, RT1015_PWR4, 0x00B2); + regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x0009); + msleep(100); + regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x000A); + msleep(100); + regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x000C); + msleep(100); regmap_write(regmap, RT1015_CLSD_INTERNAL8, 0x2028); regmap_write(regmap, RT1015_CLSD_INTERNAL9, 0x0140); - regmap_write(regmap, RT1015_PWR5, 0x0175); - regmap_write(regmap, RT1015_CLSD_INTERNAL1, 0x1721); - regmap_write(regmap, RT1015_CLASSD_SEQ, 0x570E); - regmap_write(regmap, RT1015_MIXER1, 0x203D); - regmap_write(regmap, RT1015_DC_CALIB_CLSD1, 0x5A01); - regmap_write(regmap, RT1015_CLSD_INTERNAL2, 0x12FF); - regmap_write(regmap, RT1015_GAT_BOOST, 0x0eFE); - regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x008E); - regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x0088); + regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x000D); + msleep(300); + regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x0008); regmap_write(regmap, RT1015_SYS_RST1, 0x05F5); - regmap_write(regmap, RT1015_SYS_RST2, 0x0b9a); regcache_cache_bypass(regmap, false); regcache_mark_dirty(regmap); -- 2.29.0

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[PATCH 1/2] ASoC: SOF: Intel: hda: Modify existing helper to disable WAKEEN
by Kai-Heng Feng 04 Jan '21

04 Jan '21

Modify hda_codec_jack_wake_enable() to also support disable WAKEEN. This is a preparation for next patch. No functional change intended. Signed-off-by: Kai-Heng Feng <kai.heng.feng(a)canonical.com> --- sound/soc/sof/intel/hda-codec.c | 16 +++++++--------- sound/soc/sof/intel/hda-dsp.c | 6 ++++-- sound/soc/sof/intel/hda.h | 2 +- 3 files changed, 12 insertions(+), 12 deletions(-) diff --git a/sound/soc/sof/intel/hda-codec.c b/sound/soc/sof/intel/hda-codec.c index 6875fa570c2c..bc9ac4abdab5 100644 --- a/sound/soc/sof/intel/hda-codec.c +++ b/sound/soc/sof/intel/hda-codec.c @@ -63,16 +63,18 @@ static int hda_codec_load_module(struct hda_codec *codec) } /* enable controller wake up event for all codecs with jack connectors */ -void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev) +void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev, bool enable) { struct hda_bus *hbus = sof_to_hbus(sdev); struct hdac_bus *bus = sof_to_bus(sdev); struct hda_codec *codec; unsigned int mask = 0; - list_for_each_codec(codec, hbus) - if (codec->jacktbl.used) - mask |= BIT(codec->core.addr); + if (enable) { + list_for_each_codec(codec, hbus) + if (codec->jacktbl.used) + mask |= BIT(codec->core.addr); + } snd_hdac_chip_updatew(bus, WAKEEN, STATESTS_INT_MASK, mask); } @@ -81,12 +83,8 @@ void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev) void hda_codec_jack_check(struct snd_sof_dev *sdev) { struct hda_bus *hbus = sof_to_hbus(sdev); - struct hdac_bus *bus = sof_to_bus(sdev); struct hda_codec *codec; - /* disable controller Wake Up event*/ - snd_hdac_chip_updatew(bus, WAKEEN, STATESTS_INT_MASK, 0); - list_for_each_codec(codec, hbus) /* * Wake up all jack-detecting codecs regardless whether an event @@ -97,7 +95,7 @@ void hda_codec_jack_check(struct snd_sof_dev *sdev) codec->jackpoll_interval); } #else -void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev) {} +void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev, bool enable) {} void hda_codec_jack_check(struct snd_sof_dev *sdev) {} #endif /* CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC */ EXPORT_SYMBOL_NS(hda_codec_jack_wake_enable, SND_SOC_SOF_HDA_AUDIO_CODEC); diff --git a/sound/soc/sof/intel/hda-dsp.c b/sound/soc/sof/intel/hda-dsp.c index 2b001151fe37..7d00107cf3b2 100644 --- a/sound/soc/sof/intel/hda-dsp.c +++ b/sound/soc/sof/intel/hda-dsp.c @@ -617,7 +617,7 @@ static int hda_suspend(struct snd_sof_dev *sdev, bool runtime_suspend) #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) if (runtime_suspend) - hda_codec_jack_wake_enable(sdev); + hda_codec_jack_wake_enable(sdev, true); /* power down all hda link */ snd_hdac_ext_bus_link_power_down_all(bus); @@ -683,8 +683,10 @@ static int hda_resume(struct snd_sof_dev *sdev, bool runtime_resume) #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) /* check jack status */ - if (runtime_resume) + if (runtime_resume) { + hda_codec_jack_wake_enable(sdev, false); hda_codec_jack_check(sdev); + } /* turn off the links that were off before suspend */ list_for_each_entry(hlink, &bus->hlink_list, list) { diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h index 9ec8ae0fd649..a3b6f3e9121c 100644 --- a/sound/soc/sof/intel/hda.h +++ b/sound/soc/sof/intel/hda.h @@ -650,7 +650,7 @@ void sof_hda_bus_init(struct hdac_bus *bus, struct device *dev); */ void hda_codec_probe_bus(struct snd_sof_dev *sdev, bool hda_codec_use_common_hdmi); -void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev); +void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev, bool enable); void hda_codec_jack_check(struct snd_sof_dev *sdev); #endif /* CONFIG_SND_SOC_SOF_HDA */ -- 2.29.2

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[PATCH] ASoC: rt1015: modify calibration sequence for better performance
by jack.yu＠realtek.com 04 Jan '21

04 Jan '21

From: Jack Yu <jack.yu(a)realtek.com> New calibration sequence to fix power issue in idle state. Signed-off-by: Jack Yu <jack.yu(a)realtek.com> --- sound/soc/codecs/rt1015.c | 40 ++++++++++----------------------------- 1 file changed, 10 insertions(+), 30 deletions(-) diff --git a/sound/soc/codecs/rt1015.c b/sound/soc/codecs/rt1015.c index 32e6bcf763d1..5fdf7bbfd375 100644 --- a/sound/soc/codecs/rt1015.c +++ b/sound/soc/codecs/rt1015.c @@ -497,40 +497,20 @@ static void rt1015_calibrate(struct rt1015_priv *rt1015) snd_soc_dapm_mutex_lock(&component->dapm); regcache_cache_bypass(regmap, true); - regmap_write(regmap, RT1015_PWR9, 0xAA60); - regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x0089); - regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x008A); - regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x008C); - regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x008D); - regmap_write(regmap, RT1015_PWR4, 0x80B2); - regmap_write(regmap, RT1015_CLASSD_SEQ, 0x5797); - regmap_write(regmap, RT1015_CLSD_INTERNAL8, 0x2100); - regmap_write(regmap, RT1015_CLSD_INTERNAL9, 0x0100); - regmap_write(regmap, RT1015_PWR5, 0x2175); - regmap_write(regmap, RT1015_MIXER1, 0x005D); - regmap_write(regmap, RT1015_CLSD_INTERNAL1, 0x00A1); - regmap_write(regmap, RT1015_CLSD_INTERNAL2, 0x12F7); - regmap_write(regmap, RT1015_DC_CALIB_CLSD1, 0x1205); - msleep(200); - regmap_write(regmap, RT1015_CLSD_INTERNAL8, 0x2000); - regmap_write(regmap, RT1015_CLSD_INTERNAL9, 0x0180); - regmap_write(regmap, RT1015_CLSD_INTERNAL1, 0x00A1); - regmap_write(regmap, RT1015_DC_CALIB_CLSD1, 0x0A05); - msleep(200); + regmap_write(regmap, RT1015_CLK_DET, 0x0000); regmap_write(regmap, RT1015_PWR4, 0x00B2); + regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x0009); + msleep(100); + regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x000A); + msleep(100); + regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x000C); + msleep(100); regmap_write(regmap, RT1015_CLSD_INTERNAL8, 0x2028); regmap_write(regmap, RT1015_CLSD_INTERNAL9, 0x0140); - regmap_write(regmap, RT1015_PWR5, 0x0175); - regmap_write(regmap, RT1015_CLSD_INTERNAL1, 0x1721); - regmap_write(regmap, RT1015_CLASSD_SEQ, 0x570E); - regmap_write(regmap, RT1015_MIXER1, 0x203D); - regmap_write(regmap, RT1015_DC_CALIB_CLSD1, 0x5A01); - regmap_write(regmap, RT1015_CLSD_INTERNAL2, 0x12FF); - regmap_write(regmap, RT1015_GAT_BOOST, 0x0eFE); - regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x008E); - regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x0088); + regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x000D); + msleep(300); + regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x0008); regmap_write(regmap, RT1015_SYS_RST1, 0x05F5); - regmap_write(regmap, RT1015_SYS_RST2, 0x0b9a); regcache_cache_bypass(regmap, false); regcache_mark_dirty(regmap); -- 2.29.0

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Re: [PATCH v2] ALSA: usb-audio: Add quirk for RC-505
by Takashi Iwai 03 Jan '21

03 Jan '21

On Sat, 02 Jan 2021 22:08:35 +0100, Timon Reinold wrote: > > BOSS RC-505 (shown by lsusb as "Roland Corp. RC-505") does require the > same quirk as these other BOSS devices. > > Without this quirk it is neither possible to capture audio from nor to > write audio to the RC-505. Both just result in an empty audio > stream. With these changes both capture and playback seem to work > quite fine. MIDI funtionality was not tested. > > Tested-by: Harry Reinold <harry.reinold(a)posteo.de> > Signed-off-by: Timon Reinold <tirei(a)agon.one> > --- > > I just noticed that these entries should be sorted by ID. Sorry for that. Thanks, applied now. Takashi

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[PATCH] ALSA: usb-audio: Add quirk for RC-505
by Timon Reinold 02 Jan '21

02 Jan '21

BOSS RC-505 (shown by lsusb as "Roland Corp. RC-505") does require the same quirk as these other BOSS devices. Without this quirk it is neither possible to capture audio from nor to write audio to the RC-505. Both just result in an empty audio stream. With these changes both capture and playback seem to work quite fine. MIDI funtionality was not tested. Tested-by: Harry Reinold <harry.reinold(a)posteo.de> Signed-off-by: Timon Reinold <tirei(a)agon.one> --- We found the hint to enable the same quirk as reqired by the BOSS Katana for the RC-505 in this post: https://old.reddit.com/r/linuxaudio/comments/fom7z4/roland_rc505_usb_audio_… But none of the code posted there was used (since that predates implicit.c), so I think that shouldn't create any copyright problems. We're currently running the older version of this patch (without implicit.c) on Linux Mint and it seems quite stable so far. We did also test this version of the patch and that seems to work fine, too. Yours sincerely, Timon Reinold sound/usb/implicit.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/usb/implicit.c b/sound/usb/implicit.c index 70b9777b2e63..2d7f747c0237 100644 --- a/sound/usb/implicit.c +++ b/sound/usb/implicit.c @@ -79,6 +79,7 @@ static const struct snd_usb_implicit_fb_match playback_implicit_fb_quirks[] = { IMPLICIT_FB_SKIP_DEV(0x0582, 0x01d8), /* BOSS Katana */ IMPLICIT_FB_SKIP_DEV(0x0582, 0x01e5), /* BOSS GT-001 */ IMPLICIT_FB_SKIP_DEV(0x0582, 0x0203), /* BOSS AD-10 */ + IMPLICIT_FB_SKIP_DEV(0x0582, 0x0171), /* BOSS RC-505 */ {} /* terminator */ }; @@ -91,6 +92,7 @@ static const struct snd_usb_implicit_fb_match capture_implicit_fb_quirks[] = { IMPLICIT_FB_FIXED_DEV(0x0582, 0x01d8, 0x0d, 0x01), /* BOSS Katana */ IMPLICIT_FB_FIXED_DEV(0x0582, 0x01e5, 0x0d, 0x01), /* BOSS GT-001 */ IMPLICIT_FB_FIXED_DEV(0x0582, 0x0203, 0x0d, 0x01), /* BOSS AD-10 */ + IMPLICIT_FB_FIXED_DEV(0x0582, 0x0171, 0x0d, 0x01), /* BOSS RC-505 */ {} /* terminator */ }; -- 2.29.2

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