[PATCH v5 0/4] Make headphone work on Huawei Matebook D15

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Mauro Carvalho Chehab

7 Apr 2022 7 Apr '22

8:49 p.m.

Huawei Matebook D15 uses two different GPIOs are used to control the output:

- gpio0 controls the speaker output; - gpio1 controls the headphone output.

Changing both at the same time cause spurious events that are mis-interpreted as input events, causing troubles on apps. So, a delay is needed before turning on such gpios.

Also, the headset microphone is connected to MIC1, instead of MIC2 port.

With this patch, plugging a headphone causes a jack event to trigger the speaker supply, powering down the speaker and powering up the headphone output. Removing the headphone also triggers the power supply, powering up the speaker and powering down the headphone.

The headset microphone also works.

---

v5: - dropped an uneeded differential mux from the boards driver.

v4: - add support for headset microphone on MIC1 port.

v3: - add a patch changing GPIO quirk speaker naming. Patch 2 got rebased on the top of it.

Mauro Carvalho Chehab (3): ASoC: Intel: sof_es8336: support a separate gpio to control headphone ASoC: Intel: sof_es8336: add a quirk for headset at mic1 port ASoC: Intel: sof_es8336: Add a quirk for Huawei Matebook D15

Pierre-Louis Bossart (1): ASoC: Intel: sof_es8336: simplify speaker gpio naming

sound/soc/intel/boards/sof_es8336.c | 117 +++++++++++++++++++++------- 1 file changed, 89 insertions(+), 28 deletions(-)

-- 2.35.1

Show replies by date

Mauro Carvalho Chehab

7 Apr 7 Apr

8:49 p.m.

New subject: [PATCH v5 1/4] ASoC: Intel: sof_es8336: simplify speaker gpio naming

From: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com

In preparation for the support of an additional gpio for headphone control, rename GPIOs to make explicit references to speakers and gpio0 or gpio1.

No functionality change.

Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com Signed-off-by: Mauro Carvalho Chehab mchehab@kernel.org ---

See [PATCH v5 0/4] at: https://lore.kernel.org/all/cover.1649357263.git.mchehab@kernel.org/

sound/soc/intel/boards/sof_es8336.c | 42 ++++++++++++++--------------- 1 file changed, 21 insertions(+), 21 deletions(-)

diff --git a/sound/soc/intel/boards/sof_es8336.c b/sound/soc/intel/boards/sof_es8336.c index 5e0529aa4f1d..e4829a376b79 100644 --- a/sound/soc/intel/boards/sof_es8336.c +++ b/sound/soc/intel/boards/sof_es8336.c @@ -27,7 +27,7 @@ #define SOF_ES8336_SSP_CODEC(quirk) ((quirk) & GENMASK(3, 0)) #define SOF_ES8336_SSP_CODEC_MASK (GENMASK(3, 0))

-#define SOF_ES8336_TGL_GPIO_QUIRK BIT(4) +#define SOF_ES8336_SPEAKERS_EN_GPIO1_QUIRK BIT(4) #define SOF_ES8336_ENABLE_DMIC BIT(5) #define SOF_ES8336_JD_INVERTED BIT(6)

@@ -39,7 +39,7 @@ MODULE_PARM_DESC(quirk, "Board-specific quirk override");

struct sof_es8336_private { struct device *codec_dev; - struct gpio_desc *gpio_pa; + struct gpio_desc *gpio_speakers; struct snd_soc_jack jack; struct list_head hdmi_pcm_list; bool speaker_en; @@ -51,19 +51,19 @@ struct sof_hdmi_pcm { int device; };

-static const struct acpi_gpio_params pa_enable_gpio = { 0, 0, true }; -static const struct acpi_gpio_mapping acpi_es8336_gpios[] = { - { "pa-enable-gpios", &pa_enable_gpio, 1 }, +static const struct acpi_gpio_params speakers_enable_gpio0 = { 0, 0, true }; +static const struct acpi_gpio_mapping acpi_speakers_enable_gpio0[] = { + { "speakers-enable-gpios", &speakers_enable_gpio0, 1 }, { } };

-static const struct acpi_gpio_params quirk_pa_enable_gpio = { 1, 0, true }; -static const struct acpi_gpio_mapping quirk_acpi_es8336_gpios[] = { - { "pa-enable-gpios", &quirk_pa_enable_gpio, 1 }, +static const struct acpi_gpio_params speakers_enable_gpio1 = { 1, 0, true }; +static const struct acpi_gpio_mapping acpi_speakers_enable_gpio1[] = { + { "speakers-enable-gpios", &speakers_enable_gpio1, 1 }, { } };

-static const struct acpi_gpio_mapping *gpio_mapping = acpi_es8336_gpios; +static const struct acpi_gpio_mapping *gpio_mapping = acpi_speakers_enable_gpio0;

static void log_quirks(struct device *dev) { @@ -71,8 +71,8 @@ static void log_quirks(struct device *dev) dev_info(dev, "quirk SSP%ld\n", SOF_ES8336_SSP_CODEC(quirk)); if (quirk & SOF_ES8336_ENABLE_DMIC) dev_info(dev, "quirk DMIC enabled\n"); - if (quirk & SOF_ES8336_TGL_GPIO_QUIRK) - dev_info(dev, "quirk TGL GPIO enabled\n"); + if (quirk & SOF_ES8336_SPEAKERS_EN_GPIO1_QUIRK) + dev_info(dev, "Speakers GPIO1 quirk enabled\n"); if (quirk & SOF_ES8336_JD_INVERTED) dev_info(dev, "quirk JD inverted enabled\n"); } @@ -88,7 +88,7 @@ static int sof_es8316_speaker_power_event(struct snd_soc_dapm_widget *w, else priv->speaker_en = true;

- gpiod_set_value_cansleep(priv->gpio_pa, priv->speaker_en); + gpiod_set_value_cansleep(priv->gpio_speakers, priv->speaker_en);

return 0; } @@ -233,8 +233,8 @@ static int sof_es8336_quirk_cb(const struct dmi_system_id *id) { quirk = (unsigned long)id->driver_data;

- if (quirk & SOF_ES8336_TGL_GPIO_QUIRK) - gpio_mapping = quirk_acpi_es8336_gpios; + if (quirk & SOF_ES8336_SPEAKERS_EN_GPIO1_QUIRK) + gpio_mapping = acpi_speakers_enable_gpio1;

return 1; } @@ -257,7 +257,7 @@ static const struct dmi_system_id sof_es8336_quirk_table[] = { DMI_MATCH(DMI_SYS_VENDOR, "IP3 tech"), DMI_MATCH(DMI_BOARD_NAME, "WN1"), }, - .driver_data = (void *)(SOF_ES8336_TGL_GPIO_QUIRK) + .driver_data = (void *)(SOF_ES8336_SPEAKERS_EN_GPIO1_QUIRK) }, {} }; @@ -585,10 +585,10 @@ static int sof_es8336_probe(struct platform_device *pdev) if (ret) dev_warn(codec_dev, "unable to add GPIO mapping table\n");

- priv->gpio_pa = gpiod_get_optional(codec_dev, "pa-enable", GPIOD_OUT_LOW); - if (IS_ERR(priv->gpio_pa)) { - ret = dev_err_probe(dev, PTR_ERR(priv->gpio_pa), - "could not get pa-enable GPIO\n"); + priv->gpio_speakers = gpiod_get_optional(codec_dev, "speakers-enable", GPIOD_OUT_LOW); + if (IS_ERR(priv->gpio_speakers)) { + ret = dev_err_probe(dev, PTR_ERR(priv->gpio_speakers), + "could not get speakers-enable GPIO\n"); goto err_put_codec; }

@@ -604,7 +604,7 @@ static int sof_es8336_probe(struct platform_device *pdev)

ret = devm_snd_soc_register_card(dev, card); if (ret) { - gpiod_put(priv->gpio_pa); + gpiod_put(priv->gpio_speakers); dev_err(dev, "snd_soc_register_card failed: %d\n", ret); goto err_put_codec; } @@ -622,7 +622,7 @@ static int sof_es8336_remove(struct platform_device *pdev) struct snd_soc_card *card = platform_get_drvdata(pdev); struct sof_es8336_private *priv = snd_soc_card_get_drvdata(card);

- gpiod_put(priv->gpio_pa); + gpiod_put(priv->gpio_speakers); device_remove_software_node(priv->codec_dev); put_device(priv->codec_dev);

-- 2.35.1

Mauro Carvalho Chehab

8:49 p.m.

New subject: [PATCH v5 2/4] ASoC: Intel: sof_es8336: support a separate gpio to control headphone

Some devices may use both gpio0 and gpio1 to independently switch the speaker and the headphone.

Add support for that.

Acked-by: Hans de Goede hdegoede@redhat.com Signed-off-by: Mauro Carvalho Chehab mchehab@kernel.org ---

See [PATCH v5 0/4] at: https://lore.kernel.org/all/cover.1649357263.git.mchehab@kernel.org/

sound/soc/intel/boards/sof_es8336.c | 59 ++++++++++++++++++++++++----- 1 file changed, 49 insertions(+), 10 deletions(-)

diff --git a/sound/soc/intel/boards/sof_es8336.c b/sound/soc/intel/boards/sof_es8336.c index e4829a376b79..d15a58666cc6 100644 --- a/sound/soc/intel/boards/sof_es8336.c +++ b/sound/soc/intel/boards/sof_es8336.c @@ -30,6 +30,7 @@ #define SOF_ES8336_SPEAKERS_EN_GPIO1_QUIRK BIT(4) #define SOF_ES8336_ENABLE_DMIC BIT(5) #define SOF_ES8336_JD_INVERTED BIT(6) +#define SOF_ES8336_HEADPHONE_GPIO BIT(7)

static unsigned long quirk;

@@ -39,7 +40,7 @@ MODULE_PARM_DESC(quirk, "Board-specific quirk override");

struct sof_es8336_private { struct device *codec_dev; - struct gpio_desc *gpio_speakers; + struct gpio_desc *gpio_speakers, *gpio_headphone; struct snd_soc_jack jack; struct list_head hdmi_pcm_list; bool speaker_en; @@ -51,15 +52,27 @@ struct sof_hdmi_pcm { int device; };

-static const struct acpi_gpio_params speakers_enable_gpio0 = { 0, 0, true }; +static const struct acpi_gpio_params enable_gpio0 = { 0, 0, true }; +static const struct acpi_gpio_params enable_gpio1 = { 1, 0, true }; + static const struct acpi_gpio_mapping acpi_speakers_enable_gpio0[] = { - { "speakers-enable-gpios", &speakers_enable_gpio0, 1 }, + { "speakers-enable-gpios", &enable_gpio0, 1 }, { } };

-static const struct acpi_gpio_params speakers_enable_gpio1 = { 1, 0, true }; static const struct acpi_gpio_mapping acpi_speakers_enable_gpio1[] = { - { "speakers-enable-gpios", &speakers_enable_gpio1, 1 }, + { "speakers-enable-gpios", &enable_gpio1, 1 }, +}; + +static const struct acpi_gpio_mapping acpi_enable_both_gpios[] = { + { "speakers-enable-gpios", &enable_gpio0, 1 }, + { "headphone-enable-gpios", &enable_gpio1, 1 }, + { } +}; + +static const struct acpi_gpio_mapping acpi_enable_both_gpios_rev_order[] = { + { "speakers-enable-gpios", &enable_gpio1, 1 }, + { "headphone-enable-gpios", &enable_gpio0, 1 }, { } };

@@ -73,6 +86,8 @@ static void log_quirks(struct device *dev) dev_info(dev, "quirk DMIC enabled\n"); if (quirk & SOF_ES8336_SPEAKERS_EN_GPIO1_QUIRK) dev_info(dev, "Speakers GPIO1 quirk enabled\n"); + if (quirk & SOF_ES8336_HEADPHONE_GPIO) + dev_info(dev, "quirk headphone GPIO enabled\n"); if (quirk & SOF_ES8336_JD_INVERTED) dev_info(dev, "quirk JD inverted enabled\n"); } @@ -83,13 +98,24 @@ static int sof_es8316_speaker_power_event(struct snd_soc_dapm_widget *w, struct snd_soc_card *card = w->dapm->card; struct sof_es8336_private *priv = snd_soc_card_get_drvdata(card);

+ if (priv->speaker_en == !SND_SOC_DAPM_EVENT_ON(event)) + return 0; + + priv->speaker_en = !SND_SOC_DAPM_EVENT_ON(event); + if (SND_SOC_DAPM_EVENT_ON(event)) - priv->speaker_en = false; - else - priv->speaker_en = true; + msleep(70);

gpiod_set_value_cansleep(priv->gpio_speakers, priv->speaker_en);

+ if (!(quirk & SOF_ES8336_HEADPHONE_GPIO)) + return 0; + + if (SND_SOC_DAPM_EVENT_ON(event)) + msleep(70); + + gpiod_set_value_cansleep(priv->gpio_headphone, priv->speaker_en); + return 0; }

@@ -114,7 +140,7 @@ static const struct snd_soc_dapm_route sof_es8316_audio_map[] = {

/* * There is no separate speaker output instead the speakers are muxed to - * the HP outputs. The mux is controlled by the "Speaker Power" supply. + * the HP outputs. The mux is controlled Speaker and/or headphone switch. */ {"Speaker", NULL, "HPOL"}, {"Speaker", NULL, "HPOR"}, @@ -233,8 +259,14 @@ static int sof_es8336_quirk_cb(const struct dmi_system_id *id) { quirk = (unsigned long)id->driver_data;

- if (quirk & SOF_ES8336_SPEAKERS_EN_GPIO1_QUIRK) + if (quirk & SOF_ES8336_HEADPHONE_GPIO) { + if (quirk & SOF_ES8336_SPEAKERS_EN_GPIO1_QUIRK) + gpio_mapping = acpi_enable_both_gpios; + else + gpio_mapping = acpi_enable_both_gpios_rev_order; + } else if (quirk & SOF_ES8336_SPEAKERS_EN_GPIO1_QUIRK) { gpio_mapping = acpi_speakers_enable_gpio1; + }

return 1; } @@ -592,6 +624,13 @@ static int sof_es8336_probe(struct platform_device *pdev) goto err_put_codec; }

+ priv->gpio_headphone = gpiod_get_optional(codec_dev, "headphone-enable", GPIOD_OUT_LOW); + if (IS_ERR(priv->gpio_headphone)) { + ret = dev_err_probe(dev, PTR_ERR(priv->gpio_headphone), + "could not get headphone-enable GPIO\n"); + goto err_put_codec; + } + INIT_LIST_HEAD(&priv->hdmi_pcm_list);

snd_soc_card_set_drvdata(card, priv);

-- 2.35.1

Mauro Carvalho Chehab

8:49 p.m.

New subject: [PATCH v5 3/4] ASoC: Intel: sof_es8336: add a quirk for headset at mic1 port

The headset/internal mic can either be routed as mic1/mic2 or vice-versa.

By default, the driver assumes that the headset is mapped as mic2, but not all devices map this way.

So, add a quirk to support changing it to mic1, using mic2 for the internal analog mic (if any).

Signed-off-by: Mauro Carvalho Chehab mchehab@kernel.org ---

See [PATCH v5 0/4] at: https://lore.kernel.org/all/cover.1649357263.git.mchehab@kernel.org/

sound/soc/intel/boards/sof_es8336.c | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/sound/soc/intel/boards/sof_es8336.c b/sound/soc/intel/boards/sof_es8336.c index d15a58666cc6..c71842be9d59 100644 --- a/sound/soc/intel/boards/sof_es8336.c +++ b/sound/soc/intel/boards/sof_es8336.c @@ -31,6 +31,7 @@ #define SOF_ES8336_ENABLE_DMIC BIT(5) #define SOF_ES8336_JD_INVERTED BIT(6) #define SOF_ES8336_HEADPHONE_GPIO BIT(7) +#define SOC_ES8336_HEADSET_MIC1 BIT(8)

static unsigned long quirk;

@@ -90,6 +91,8 @@ static void log_quirks(struct device *dev) dev_info(dev, "quirk headphone GPIO enabled\n"); if (quirk & SOF_ES8336_JD_INVERTED) dev_info(dev, "quirk JD inverted enabled\n"); + if (quirk & SOC_ES8336_HEADSET_MIC1) + dev_info(dev, "quirk headset at mic1 port enabled\n"); }

static int sof_es8316_speaker_power_event(struct snd_soc_dapm_widget *w, @@ -147,11 +150,16 @@ static const struct snd_soc_dapm_route sof_es8316_audio_map[] = { {"Speaker", NULL, "Speaker Power"}, };

-static const struct snd_soc_dapm_route sof_es8316_intmic_in1_map[] = { +static const struct snd_soc_dapm_route sof_es8316_headset_mic2_map[] = { {"MIC1", NULL, "Internal Mic"}, {"MIC2", NULL, "Headset Mic"}, };

+static const struct snd_soc_dapm_route sof_es8316_headset_mic1_map[] = { + {"MIC2", NULL, "Internal Mic"}, + {"MIC1", NULL, "Headset Mic"}, +}; + static const struct snd_soc_dapm_route dmic_map[] = { /* digital mics */ {"DMic", NULL, "SoC DMIC"}, @@ -225,8 +233,13 @@ static int sof_es8316_init(struct snd_soc_pcm_runtime *runtime)

card->dapm.idle_bias_off = true;

- custom_map = sof_es8316_intmic_in1_map; - num_routes = ARRAY_SIZE(sof_es8316_intmic_in1_map); + if (quirk & SOC_ES8336_HEADSET_MIC1) { + custom_map = sof_es8316_headset_mic1_map; + num_routes = ARRAY_SIZE(sof_es8316_headset_mic1_map); + } else { + custom_map = sof_es8316_headset_mic2_map; + num_routes = ARRAY_SIZE(sof_es8316_headset_mic2_map); + }

ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes); if (ret)

-- 2.35.1

Mauro Carvalho Chehab

8:49 p.m.

New subject: [PATCH v5 4/4] ASoC: Intel: sof_es8336: Add a quirk for Huawei Matebook D15

Based on experimental tests, Huawei Matebook D15 actually uses both gpio0 and gpio1: the first one controls the speaker, while the other one controls the headphone.

Also, the headset is mapped as MIC1, instead of MIC2.

So, add a quirk for it.

Signed-off-by: Mauro Carvalho Chehab mchehab@kernel.org ---

See [PATCH v5 0/4] at: https://lore.kernel.org/all/cover.1649357263.git.mchehab@kernel.org/

sound/soc/intel/boards/sof_es8336.c | 9 +++++++++ 1 file changed, 9 insertions(+)

diff --git a/sound/soc/intel/boards/sof_es8336.c b/sound/soc/intel/boards/sof_es8336.c index c71842be9d59..9d617831dd20 100644 --- a/sound/soc/intel/boards/sof_es8336.c +++ b/sound/soc/intel/boards/sof_es8336.c @@ -304,6 +304,15 @@ static const struct dmi_system_id sof_es8336_quirk_table[] = { }, .driver_data = (void *)(SOF_ES8336_SPEAKERS_EN_GPIO1_QUIRK) }, + { + .callback = sof_es8336_quirk_cb, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "HUAWEI"), + DMI_MATCH(DMI_BOARD_NAME, "BOHB-WAX9-PCB-B2"), + }, + .driver_data = (void *)(SOF_ES8336_HEADPHONE_GPIO | + SOC_ES8336_HEADSET_MIC1) + }, {} };

-- 2.35.1

Pierre-Louis Bossart

9:01 p.m.

On 4/7/22 13:49, Mauro Carvalho Chehab wrote:

...

Huawei Matebook D15 uses two different GPIOs are used to control the output:

gpio0 controls the speaker output;

gpio1 controls the headphone output.

Changing both at the same time cause spurious events that are mis-interpreted as input events, causing troubles on apps. So, a delay is needed before turning on such gpios.

Also, the headset microphone is connected to MIC1, instead of MIC2 port.

With this patch, plugging a headphone causes a jack event to trigger the speaker supply, powering down the speaker and powering up the headphone output. Removing the headphone also triggers the power supply, powering up the speaker and powering down the headphone.

The headset microphone also works.

For the series:

Acked-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com

Thanks Mauro for your work, much appreciated.

...

v5:

dropped an uneeded differential mux from the boards driver.

v4:

add support for headset microphone on MIC1 port.

v3:

add a patch changing GPIO quirk speaker naming. Patch 2 got rebased on the top of it.

Mauro Carvalho Chehab (3): ASoC: Intel: sof_es8336: support a separate gpio to control headphone ASoC: Intel: sof_es8336: add a quirk for headset at mic1 port ASoC: Intel: sof_es8336: Add a quirk for Huawei Matebook D15

Pierre-Louis Bossart (1): ASoC: Intel: sof_es8336: simplify speaker gpio naming

sound/soc/intel/boards/sof_es8336.c | 117 +++++++++++++++++++++------- 1 file changed, 89 insertions(+), 28 deletions(-)

Mark Brown

8 Apr 8 Apr

1:24 p.m.

On Thu, 7 Apr 2022 20:49:55 +0200, Mauro Carvalho Chehab wrote:

...

Huawei Matebook D15 uses two different GPIOs are used to control the output:

gpio0 controls the speaker output;

gpio1 controls the headphone output.

Changing both at the same time cause spurious events that are mis-interpreted as input events, causing troubles on apps. So, a delay is needed before turning on such gpios.

[...]

Applied to

https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next

Thanks!

[1/4] ASoC: Intel: sof_es8336: simplify speaker gpio naming commit: 890a4087a6c2045911b5002566d1528f710cd723 [2/4] ASoC: Intel: sof_es8336: support a separate gpio to control headphone commit: 6e1ff1459e0086312e61c2d1ff8b74395a082fcb [3/4] ASoC: Intel: sof_es8336: add a quirk for headset at mic1 port commit: 7c7bb2a059b226ebadb14ce07460f6357023d56c [4/4] ASoC: Intel: sof_es8336: Add a quirk for Huawei Matebook D15 commit: c7cb4717f641db68e8117635bfcf62a9c27dc8d3

All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted.

You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying to this mail.

Thanks, Mark

Mark Brown

12 Apr 12 Apr

7:38 p.m.

On Thu, 7 Apr 2022 20:49:55 +0200, Mauro Carvalho Chehab wrote:

...

Huawei Matebook D15 uses two different GPIOs are used to control the output:

gpio0 controls the speaker output;

gpio1 controls the headphone output.

Changing both at the same time cause spurious events that are mis-interpreted as input events, causing troubles on apps. So, a delay is needed before turning on such gpios.

[...]

Applied to

https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next

Thanks!

If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying to this mail.

Thanks, Mark

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Mark Brown
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Pierre-Louis Bossart