Alsa-devel August 2022

alsa-devel@alsa-project.org

115 participants
370 discussions

Re: RFC: usb: gadget: u_audio: Notifying gadget that host started playback/capture?
by Pavel Hofman 22 Sep '23

22 Sep '23

Hi, Dne 08. 09. 21 v 10:21 Pavel Hofman napsal(a): > Hi, > > The current audio gadget has no way to inform the gadget side that the > host side has started playback/capture and that gadget-side alsa > processes should be started. > > Playback/capture processes on the host side do not get stuck without the > gadget side consuming/producing data (OUT requests are ignored in > u_audio_iso_complete, IN ones send initial zeros in their req->buf). > > However, playback/capture processes on the gadget side get stuck without > the host side sending playback OUT packets or capture IN requests and > time out with error. If there was a way to inform the gadget side that > playback/capture has started on the host side, the gadget clients could > react accordingly. > I drafted a simple patch for u_audio.c which defines read-only boolean ctl elems "Capture Requested" and "Playback Requested". Their values are set/reset in methods u_audio_start_capture/playback and u_audio_stop_capture/playback, i.e. at changes of respective altsettings from 0 to 1 and back. Every ctl elem value change sends notification via snd_ctl_notify. The principle works OK for capture/playback start/stop on the host, as monitored by alsactl: pi@raspberrypi:~ $ alsactl monitor hw:UAC2Gadget node hw:UAC2Gadget, #4 (3,0,0,Capture Requested,0) VALUE node hw:UAC2Gadget, #4 (3,0,0,Capture Requested,0) VALUE node hw:UAC2Gadget, #3 (3,0,0,Playback Requested,0) VALUE node hw:UAC2Gadget, #3 (3,0,0,Playback Requested,0) VALUE However at enumeration the USB host switches both playback and capture altsettings repeatedly, generating "fake" events from the gadget side POW. The host even sends regular-sized EP-OUT packets filled with zeros during enumeration (tested on linux only for now). Please is there any way to "detect" the enumeration stage to mask out the "fake" playback/capture start/stop events? The attached patch does not apply cleanly to mainline u_audio.c because it's rebased on other patches not submitted yet but it's only a discussion inducer for now. Thanks a lot, Pavel.

2 2

[PATCH] ASoC: fsl_sai: Enable MCTL_MCLK_EN bit for master mode
by Shengjiu Wang 06 Jul '23

06 Jul '23

On i.MX8MM, the MCTL_MCLK_EN bit it is not only the gate for MCLK output to PAD, but also the gate bit between root clock and SAI module, So it is need to be enabled for master mode, otherwise there is no bclk generated. Signed-off-by: Shengjiu Wang <shengjiu.wang(a)nxp.com> --- sound/soc/fsl/fsl_sai.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c index fa950dde5310..dae16a14f177 100644 --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -437,6 +437,12 @@ static int fsl_sai_set_bclk(struct snd_soc_dai *dai, bool tx, u32 freq) FSL_SAI_CR2_DIV_MASK | FSL_SAI_CR2_BYP, savediv / 2 - 1); + if (sai->soc_data->max_register >= FSL_SAI_MCTL) { + /* SAI is in master mode at this point, so enable MCLK */ + regmap_update_bits(sai->regmap, FSL_SAI_MCTL, + FSL_SAI_MCTL_MCLK_EN, FSL_SAI_MCTL_MCLK_EN); + } + return 0; } -- 2.17.1

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[PATCH 1/2] ASoC: fsl-asoc-card: add nau8822 support
by Hui Wang 22 Jun '23

22 Jun '23

This is for an imx6sx EVB which has a nau8822 codec connects to the SSI2 interface, so add the nau8822 support in this machine driver. Because the codec driver nau8822.c doesn't handle mclk enabling, here adding a codec_priv->mclk for nau8822 and similar codecs which need to enable the mclk in the machine driver, and enable the mclk in the card_late_probe() conditionally. Signed-off-by: Hui Wang <hui.wang(a)canonical.com> --- sound/soc/fsl/fsl-asoc-card.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c index d9a0d4768c4d..89504865cb1d 100644 --- a/sound/soc/fsl/fsl-asoc-card.c +++ b/sound/soc/fsl/fsl-asoc-card.c @@ -27,6 +27,7 @@ #include "../codecs/wm8960.h" #include "../codecs/wm8994.h" #include "../codecs/tlv320aic31xx.h" +#include "../codecs/nau8822.h" #define CS427x_SYSCLK_MCLK 0 @@ -45,6 +46,7 @@ * @pll_id: PLL id for set_pll() */ struct codec_priv { + struct clk *mclk; unsigned long mclk_freq; unsigned long free_freq; u32 mclk_id; @@ -522,6 +524,9 @@ static int fsl_asoc_card_late_probe(struct snd_soc_card *card) return ret; } + if (!IS_ERR_OR_NULL(codec_priv->mclk)) + clk_prepare_enable(codec_priv->mclk); + return 0; } @@ -682,6 +687,14 @@ static int fsl_asoc_card_probe(struct platform_device *pdev) priv->codec_priv.free_freq = priv->codec_priv.mclk_freq; priv->card.dapm_routes = NULL; priv->card.num_dapm_routes = 0; + } else if (of_device_is_compatible(np, "fsl,imx-audio-nau8822")) { + codec_dai_name = "nau8822-hifi"; + priv->codec_priv.mclk_id = NAU8822_CLK_MCLK; + priv->codec_priv.fll_id = NAU8822_CLK_PLL; + priv->codec_priv.pll_id = NAU8822_CLK_PLL; + priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; + if (codec_dev) + priv->codec_priv.mclk = devm_clk_get(codec_dev, NULL); } else { dev_err(&pdev->dev, "unknown Device Tree compatible\n"); ret = -EINVAL; @@ -907,6 +920,7 @@ static const struct of_device_id fsl_asoc_card_dt_ids[] = { { .compatible = "fsl,imx-audio-wm8524", }, { .compatible = "fsl,imx-audio-si476x", }, { .compatible = "fsl,imx-audio-wm8958", }, + { .compatible = "fsl,imx-audio-nau8822", }, {} }; MODULE_DEVICE_TABLE(of, fsl_asoc_card_dt_ids); -- 2.25.1

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Re: [PATCH] kernel/drivers: Remove redundant driver match function
by Uwe Kleine-König 19 Mar '23

19 Mar '23

Hello, On Thu, May 05, 2022 at 09:59:52PM -0700, lizhe wrote: > If there is no driver match function, the driver core assumes that each > candidate pair (driver, device) matches, see driver_match_device(). I wonder who is supposed to apply this patch. Either it should be split by file and go in via the respective maintainers, or it goes in via Greg's tree? I added Greg to To: for him to chime in. Best regards Uwe > Signed-off-by: lizhe <sensor1010(a)163.com> > --- > drivers/mfd/mcp-core.c | 6 ------ > drivers/nubus/bus.c | 6 ------ > drivers/s390/crypto/vfio_ap_drv.c | 6 ------ > drivers/scsi/scsi_debug.c | 7 ------- > drivers/target/loopback/tcm_loop.c | 7 ------- > drivers/w1/w1.c | 6 ------ > sound/ac97_bus.c | 11 ----------- > 7 files changed, 49 deletions(-) > > diff --git a/drivers/mfd/mcp-core.c b/drivers/mfd/mcp-core.c > index 2fa592c37c6f..281a9369f2b3 100644 > --- a/drivers/mfd/mcp-core.c > +++ b/drivers/mfd/mcp-core.c > @@ -20,11 +20,6 @@ > #define to_mcp(d) container_of(d, struct mcp, attached_device) > #define to_mcp_driver(d) container_of(d, struct mcp_driver, drv) > > -static int mcp_bus_match(struct device *dev, struct device_driver *drv) > -{ > - return 1; > -} > - > static int mcp_bus_probe(struct device *dev) > { > struct mcp *mcp = to_mcp(dev); > @@ -43,7 +38,6 @@ static void mcp_bus_remove(struct device *dev) > > static struct bus_type mcp_bus_type = { > .name = "mcp", > - .match = mcp_bus_match, > .probe = mcp_bus_probe, > .remove = mcp_bus_remove, > }; > diff --git a/drivers/nubus/bus.c b/drivers/nubus/bus.c > index 17fad660032c..72921e4f35f6 100644 > --- a/drivers/nubus/bus.c > +++ b/drivers/nubus/bus.c > @@ -14,11 +14,6 @@ > #define to_nubus_board(d) container_of(d, struct nubus_board, dev) > #define to_nubus_driver(d) container_of(d, struct nubus_driver, driver) > > -static int nubus_bus_match(struct device *dev, struct device_driver *driver) > -{ > - return 1; > -} > - > static int nubus_device_probe(struct device *dev) > { > struct nubus_driver *ndrv = to_nubus_driver(dev->driver); > @@ -39,7 +34,6 @@ static void nubus_device_remove(struct device *dev) > > struct bus_type nubus_bus_type = { > .name = "nubus", > - .match = nubus_bus_match, > .probe = nubus_device_probe, > .remove = nubus_device_remove, > }; > diff --git a/drivers/s390/crypto/vfio_ap_drv.c b/drivers/s390/crypto/vfio_ap_drv.c > index 29ebd54f8919..0a662c451f2a 100644 > --- a/drivers/s390/crypto/vfio_ap_drv.c > +++ b/drivers/s390/crypto/vfio_ap_drv.c > @@ -172,14 +172,8 @@ static void vfio_ap_matrix_dev_release(struct device *dev) > kfree(matrix_dev); > } > > -static int matrix_bus_match(struct device *dev, struct device_driver *drv) > -{ > - return 1; > -} > - > static struct bus_type matrix_bus = { > .name = "matrix", > - .match = &matrix_bus_match, > }; > > static struct device_driver matrix_driver = { > diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c > index 592a290e6cfa..8107489b36e8 100644 > --- a/drivers/scsi/scsi_debug.c > +++ b/drivers/scsi/scsi_debug.c > @@ -7844,15 +7844,8 @@ static void sdebug_driver_remove(struct device *dev) > scsi_host_put(sdbg_host->shost); > } > > -static int pseudo_lld_bus_match(struct device *dev, > - struct device_driver *dev_driver) > -{ > - return 1; > -} > - > static struct bus_type pseudo_lld_bus = { > .name = "pseudo", > - .match = pseudo_lld_bus_match, > .probe = sdebug_driver_probe, > .remove = sdebug_driver_remove, > .drv_groups = sdebug_drv_groups, > diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c > index 4407b56aa6d1..eeb63deff94f 100644 > --- a/drivers/target/loopback/tcm_loop.c > +++ b/drivers/target/loopback/tcm_loop.c > @@ -83,15 +83,8 @@ static int tcm_loop_show_info(struct seq_file *m, struct Scsi_Host *host) > static int tcm_loop_driver_probe(struct device *); > static void tcm_loop_driver_remove(struct device *); > > -static int pseudo_lld_bus_match(struct device *dev, > - struct device_driver *dev_driver) > -{ > - return 1; > -} > - > static struct bus_type tcm_loop_lld_bus = { > .name = "tcm_loop_bus", > - .match = pseudo_lld_bus_match, > .probe = tcm_loop_driver_probe, > .remove = tcm_loop_driver_remove, > }; > diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c > index f2ae2e563dc5..a6ecfa1b3417 100644 > --- a/drivers/w1/w1.c > +++ b/drivers/w1/w1.c > @@ -58,11 +58,6 @@ MODULE_PARM_DESC(slave_ttl, > DEFINE_MUTEX(w1_mlock); > LIST_HEAD(w1_masters); > > -static int w1_master_match(struct device *dev, struct device_driver *drv) > -{ > - return 1; > -} > - > static int w1_master_probe(struct device *dev) > { > return -ENODEV; > @@ -174,7 +169,6 @@ static int w1_uevent(struct device *dev, struct kobj_uevent_env *env); > > static struct bus_type w1_bus_type = { > .name = "w1", > - .match = w1_master_match, > .uevent = w1_uevent, > }; > > diff --git a/sound/ac97_bus.c b/sound/ac97_bus.c > index b4685c53ff11..c7aee8c42c55 100644 > --- a/sound/ac97_bus.c > +++ b/sound/ac97_bus.c > @@ -75,19 +75,8 @@ int snd_ac97_reset(struct snd_ac97 *ac97, bool try_warm, unsigned int id, > } > EXPORT_SYMBOL_GPL(snd_ac97_reset); > > -/* > - * Let drivers decide whether they want to support given codec from their > - * probe method. Drivers have direct access to the struct snd_ac97 > - * structure and may decide based on the id field amongst other things. > - */ > -static int ac97_bus_match(struct device *dev, struct device_driver *drv) > -{ > - return 1; > -} > - > struct bus_type ac97_bus_type = { > .name = "ac97", > - .match = ac97_bus_match, > }; > > static int __init ac97_bus_init(void) > -- > 2.25.1 > > -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | https://www.pengutronix.de/ |

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soundwire: user space test utilities
by Muni Sekhar 06 Mar '23

06 Mar '23

Hi all, I am looking for any existing user space test utilities to test SOUNDWIRE SUBSYSTEM in Linux kernel. Can someone please point me to this. -- Thanks, Sekhar

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[PATCH] Sound: pci/hda: Add quirk for HP Envy x360 ey0xxx
by Fae 02 Feb '23

02 Feb '23

This patch fixes speaker output on the HP Envy x360 ey0xxx The mic/speaker mute LEDs are still non-functional but they aren't required for basic funtionality Also the quirk is labeled ALC287_FIXUP_CS35L41_I2C_2 however it does not only apply to ALC287 Its function is the generic cs35l41 fixup telling the driver that there's 2 i2c speakers. It isn't actually specific to ALC287 I did have a bit of luck getting the mic mute LED to work but it was to finicky to submit ( I used the ALC245_FIXUP_HP_GPIO_LED quirk ) I had no luck getting the speaker mute LED to work Signed-off-by: Fae <faenkhauser(a)gmail.com> --- sound/pci/hda/cs35l41_hda.c | 3 ++- sound/pci/hda/patch_realtek.c | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c index 129bffb431c22..21d8c2de128ff 100644 --- a/sound/pci/hda/cs35l41_hda.c +++ b/sound/pci/hda/cs35l41_hda.c @@ -1156,7 +1156,8 @@ static int cs35l41_no_acpi_dsd(struct cs35l41_hda *cs35l41, struct device *physd hw_cfg->valid = true; put_device(physdev); - if (strncmp(hid, "CLSA0100", 8) == 0) { + if ((strncmp(hid, "CLSA0100", 8) == 0) || + (strncmp(hid, "CSC3551", 7) == 0)) { hw_cfg->bst_type = CS35L41_EXT_BOOST_NO_VSPK_SWITCH; } else if (strncmp(hid, "CLSA0101", 8) == 0) { hw_cfg->bst_type = CS35L41_EXT_BOOST; diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 8a57636f622e9..e7053cbc6bb6e 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -9179,6 +9179,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x83b9, "HP Spectre x360", ALC269_FIXUP_HP_MUTE_LED_MIC3), SND_PCI_QUIRK(0x103c, 0x841c, "HP Pavilion 15-CK0xx", ALC269_FIXUP_HP_MUTE_LED_MIC3), SND_PCI_QUIRK(0x103c, 0x8497, "HP Envy x360", ALC269_FIXUP_HP_MUTE_LED_MIC3), + SND_PCI_QUIRK(0x103c, 0x8a31, "HP ENVY x360 2-in-1 Laptop 15-ey0xxx", ALC287_FIXUP_CS35L41_I2C_2), SND_PCI_QUIRK(0x103c, 0x84da, "HP OMEN dc0019-ur", ALC295_FIXUP_HP_OMEN), SND_PCI_QUIRK(0x103c, 0x84e7, "HP Pavilion 15", ALC269_FIXUP_HP_MUTE_LED_MIC3), SND_PCI_QUIRK(0x103c, 0x8519, "HP Spectre x360 15-df0xxx", ALC285_FIXUP_HP_SPECTRE_X360), -- 2.37.1

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[PATCH] ASoC: qcom: apq8096: set driver name correctly
by Yassine Oudjana 01 Feb '23

01 Feb '23

From: Yassine Oudjana <y.oudjana(a)protonmail.com> Set driver name to allow matching different UCM2 configurations for the multiple devices sharing the same APQ8096 ASoC. Signed-off-by: Yassine Oudjana <y.oudjana(a)protonmail.com> --- sound/soc/qcom/apq8096.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/soc/qcom/apq8096.c b/sound/soc/qcom/apq8096.c index c7b7d0864d1a..5d07b38f6d72 100644 --- a/sound/soc/qcom/apq8096.c +++ b/sound/soc/qcom/apq8096.c @@ -113,6 +113,7 @@ static int apq8096_platform_probe(struct platform_device *pdev) if (!card) return -ENOMEM; + card->driver_name = "apq8096"; card->dev = dev; card->owner = THIS_MODULE; dev_set_drvdata(dev, card); -- 2.36.1

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[PATCH 0/9] ALSA: hda: Codec-reload bug fixes and cleanups
by Cezary Rojewski 17 Jan '23

17 Jan '23

Total of 6 fixes and 3 cleanups - cleanups are last. All of the fixes address problems that present themselves in situation when user engages in codec driver reload. Second condition to reproduce is two-step initialization of HDAudio codec - this is the case only for ASoC HDAudio bus driver as snd_hda_intel calls only compound function snd_hda_codec_new(). Once these conditions are met, several reload/unload scenarios end with null-ptr-deref and page faults. Goal of the series is to allow codec/bus driver reloading without any errors. Amadeusz Sławiński (2): ALSA: hda: Reset all SIE bits in INTCTL ALSA: hda: Remove unused macro definition Cezary Rojewski (7): ALSA: hda: Do not unset preset when cleaning up codec ALSA: hda: Fix null-ptr-deref when i915 fails and hdmi is denylisted ALSA: hda: Make device usage_count consistent across subsequent probing ALSA: hda: Fix put_device() inconsistency in error path ALSA: hda: Skip event processing for unregistered codecs ALSA: hda: Fix page fault in snd_hda_codec_shutdown() ALSA: hda/realtek: Remove redundant init_hook() in alc_default_init() include/sound/hda_codec.h | 1 - include/sound/hdaudio.h | 1 + sound/hda/ext/hdac_ext_controller.c | 7 --- sound/hda/hdac_bus.c | 2 +- sound/hda/hdac_controller.c | 7 +-- sound/pci/hda/hda_bind.c | 7 +++ sound/pci/hda/hda_codec.c | 83 +++++++++++++++-------------- sound/pci/hda/patch_realtek.c | 3 -- sound/soc/codecs/hda.c | 4 +- 9 files changed, 56 insertions(+), 59 deletions(-) -- 2.25.1

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Regression playing 24bit/96kHz audio on USB audio interface between 5.10.94 and 5.15.21
by Ruud van Asseldonk 02 Jan '23

02 Jan '23

Hi, I have a program that configures a Behringer UMC404HD 192k USB audio interface for playback as follows (pseudocode): snd_pcm_hw_params_set_channels(pcm, hwp, 2); snd_pcm_hw_params_set_format(pcm, hwp, SND_PCM_FORMAT_S24_3LE); snd_pcm_hw_params_set_access(pcm, hwp, SND_PCM_ACCESS_MMAP_INTERLEAVED); snd_pcm_hw_params_set_rate(pcm, hwp, val=96000, dir=0); snd_pcm_hw_params_set_period_size_near(pcm, hwp, val=513, dir=0); // If I confirm at this point with snd_pcm_hw_params_get_period_size, // I get back 513. snd_pcm_hw_params_set_buffer_size_near(pcm, hwp, val=2052); snd_pcm_hw_params(pcm, hwp); // If I confirm with snd_pcm_hw_params_get_buffer_size, // I get back 2052. On Linux 5.10.94 (specifically Arch Linux ARM package linux-rpi-5.10.94-1), this succeeds, and I can play back audio just fine. On 5.15.21 (specifically linux-rpi-5.15.21-3), all the calls succeed apart from the last one, which returns EINVAL. (My actual program is written in Rust and uses a Rust wrapper library for libasound, https://docs.rs/alsa/0.6.0/alsa/, but the calls should be the ones listed.) I confirmed with snd_pcm_hw_params_test_format that the S24_3LE format is supported. On both kernels it is successful. I confirmed with snd_pcm_hw_params_test_rate that 96 kHz is supported. On both kernels it is successful. There are differences though. When I query these: snd_pcm_hw_params_get_period_size_min snd_pcm_hw_params_get_period_size_max snd_pcm_hw_params_get_buffer_size_min snd_pcm_hw_params_get_buffer_size_max Then on 5.10.94 (the good version), I get: period size min/max: 12/32768, buffer size min/max: 24/65536 But on 5.15.21 (the bad version), I get: period size min/max: 13/71332, buffer size min/max: 26/142663 Also, after I set the period size to 513, if I then query the buffer size min/max, on 5.10.94 I get: buffer size min/max: 1026/65536 But on 5.15.21 I get: buffer size min/max: 1027/142663 In lsmod, snd_usb_audio shows up, and from lsusb -v, the UMC404HD appears to be a standard USB audio interface. The lsusb output is identical on both kernels. Please let me know if there is anything I can do to help further diagnose the issue, or if I should report this elsewhere. Kind regards, Ruud van Asseldonk

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[alsa-devel] [PATCH 0/6] ASoC: mediatek: mt8183: support DP audio
by Tzung-Bi Shih 24 Nov '22

24 Nov '22

(This series depends on https://lore.kernel.org/patchwork/patch/1126819/ which has not applied to the maintainer's tree yet.) This series makes mt8183-mt6358-ts3a227-max98357 support DP (display port) audio output. ASoC: hdmi-codec: add PCM trigger operator - add a PCM trigger callback if codec driver is interested in PCM events. drm: bridge: it6505: bridge to hdmi-codec - add audio feature support of it6505. - bridge to hdmi-codec so that ASoC can use the audio feature. - defer the "enabling" after receiving PCM START or RESUME event. ASoC: dt-bindings: mt8183: add a property "mediatek,hdmi-codec" ASoC: mediatek: mt8183: use hdmi-codec - bind to hdmi-codec in mt8183-mt6358-ts3a227-max98357. drm: bridge: it6505: report connector status ASoC: mediatek: mt8183: support HDMI jack reporting - use the mechanism from the following patch https://mailman.alsa-project.org/pipermail/alsa-devel/2019-September/155302… to report jack status (from DRM to ASoC). Allen Chen (1): drm: bridge: it6505: bridge to hdmi-codec Tzung-Bi Shih (5): ASoC: hdmi-codec: add PCM trigger operator ASoC: dt-bindings: mt8183: add a property "mediatek,hdmi-codec" ASoC: mediatek: mt8183: use hdmi-codec drm: bridge: it6505: report connector status ASoC: mediatek: mt8183: support HDMI jack reporting .../sound/mt8183-mt6358-ts3a227-max98357.txt | 2 + drivers/gpu/drm/bridge/ite-it6505.c | 191 +++++++++++++++++- include/sound/hdmi-codec.h | 13 ++ sound/soc/codecs/hdmi-codec.c | 31 +++ sound/soc/mediatek/Kconfig | 3 +- .../mt8183/mt8183-mt6358-ts3a227-max98357.c | 36 +++- 6 files changed, 266 insertions(+), 10 deletions(-) -- 2.23.0.866.gb869b98d4c-goog

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