From: Mauro Carvalho Chehab mchehab+huawei@kernel.org
Some devices may use both gpio0 and gpio1 to independently switch the speaker and the headphone.
Add support for that.
Signed-off-by: Mauro Carvalho Chehab mchehab+huawei@kernel.org Signed-off-by: Mauro Carvalho Chehab mchehab@kernel.org ---
See [PATCH v2 0/2] at: https://lore.kernel.org/all/cover.1649147890.git.mchehab@kernel.org/
sound/soc/intel/boards/sof_es8336.c | 60 ++++++++++++++++++++++++----- 1 file changed, 50 insertions(+), 10 deletions(-)
diff --git a/sound/soc/intel/boards/sof_es8336.c b/sound/soc/intel/boards/sof_es8336.c index 5e0529aa4f1d..bcd80870d252 100644 --- a/sound/soc/intel/boards/sof_es8336.c +++ b/sound/soc/intel/boards/sof_es8336.c @@ -30,6 +30,7 @@ #define SOF_ES8336_TGL_GPIO_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_pa; + struct gpio_desc *gpio_pa, *gpio_pa_headphone; struct snd_soc_jack jack; struct list_head hdmi_pcm_list; bool speaker_en; @@ -51,15 +52,28 @@ struct sof_hdmi_pcm { int device; };
-static const struct acpi_gpio_params pa_enable_gpio = { 0, 0, true }; +static const struct acpi_gpio_params pa_enable_gpio0 = { 0, 0, true }; +static const struct acpi_gpio_params pa_enable_gpio1 = { 1, 0, true }; + static const struct acpi_gpio_mapping acpi_es8336_gpios[] = { - { "pa-enable-gpios", &pa_enable_gpio, 1 }, + { "pa-enable-gpios", &pa_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 }, + { "pa-enable-gpios", &pa_enable_gpio1, 1 }, + { } +}; + +static const struct acpi_gpio_mapping quirk_acpi_headphone_es8336_gpios[] = { + { "pa-enable-gpios", &pa_enable_gpio0, 1 }, + { "pa-enable-headphone-gpios", &pa_enable_gpio1, 1 }, + { } +}; + +static const struct acpi_gpio_mapping quirk_tgl_acpi_headphone_es8336_gpios[] = { + { "pa-enable-gpios", &pa_enable_gpio1, 1 }, + { "pa-enable-headphone-gpios", &pa_enable_gpio0, 1 }, { } };
@@ -71,6 +85,8 @@ 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_HEADPHONE_GPIO) + dev_info(dev, "quirk headphone GPIO enabled\n"); if (quirk & SOF_ES8336_TGL_GPIO_QUIRK) dev_info(dev, "quirk TGL GPIO enabled\n"); if (quirk & SOF_ES8336_JD_INVERTED) @@ -83,13 +99,24 @@ 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_pa, 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_pa_headphone, priv->speaker_en); + return 0; }
@@ -114,7 +141,7 @@ 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 +260,14 @@ 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) + if (quirk & SOF_ES8336_HEADPHONE_GPIO) { + if (quirk & SOF_ES8336_TGL_GPIO_QUIRK) + gpio_mapping = quirk_tgl_acpi_headphone_es8336_gpios; + else + gpio_mapping = quirk_acpi_headphone_es8336_gpios; + } else if (quirk & SOF_ES8336_TGL_GPIO_QUIRK) { gpio_mapping = quirk_acpi_es8336_gpios; + }
return 1; } @@ -592,6 +625,13 @@ static int sof_es8336_probe(struct platform_device *pdev) goto err_put_codec; }
+ priv->gpio_pa_headphone = gpiod_get_optional(codec_dev, "pa-enable-headphone", GPIOD_OUT_LOW); + if (IS_ERR(priv->gpio_pa_headphone)) { + ret = dev_err_probe(dev, PTR_ERR(priv->gpio_pa_headphone), + "could not get pa-enable-headphone GPIO\n"); + goto err_put_codec; + } + INIT_LIST_HEAD(&priv->hdmi_pcm_list);
snd_soc_card_set_drvdata(card, priv);