From: Andy Shevchenko To: Liam Girdwood , Mark Brown , Nicolas Porcel , alsa-devel@alsa-project.org, Dmitry Torokhov Cc: Andy Shevchenko Date: Sat, 10 Jun 2017 19:37:41 +0300 Subject: [PATCH v2] ASoC: Intel: byt-max98090: Add GPIO ACPI mapping table In order to make GPIO ACPI library stricter prepare users of gpiod_get_index() to correctly behave when there no mapping is provided by firmware. Here we add explicit mapping between _CRS GpioIo() resources and their names used in the driver. Reviewed-by: Dmitry Torokhov Tested-by: Nicolas Porcel Signed-off-by: Andy Shevchenko --- - update device node to which the mapping table is attached - remove idx assignment to 0 (it's by default) - add Nicolas' tag (sent privately) sound/soc/intel/boards/byt-max98090.c | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) diff --git a/sound/soc/intel/boards/byt-max98090.c b/sound/soc/intel/boards/byt-max98090.c index d9f81b8d915d..047be7fa0ce9 100644 --- a/sound/soc/intel/boards/byt-max98090.c +++ b/sound/soc/intel/boards/byt-max98090.c @@ -67,20 +67,27 @@ static struct snd_soc_jack_pin hs_jack_pins[] = { static struct snd_soc_jack_gpio hs_jack_gpios[] = { { - .name = "hp-gpio", - .idx = 0, + .name = "hp", .report = SND_JACK_HEADPHONE | SND_JACK_LINEOUT, .debounce_time = 200, }, { - .name = "mic-gpio", - .idx = 1, + .name = "mic", .invert = 1, .report = SND_JACK_MICROPHONE, .debounce_time = 200, }, }; +static const struct acpi_gpio_params hp_gpios = { 0, 0, false }; +static const struct acpi_gpio_params mic_gpios = { 1, 0, false }; + +static const struct acpi_gpio_mapping acpi_byt_max98090_gpios[] = { + { "hp-gpios", &hp_gpios, 1 }, + { "mic-gpios", &mic_gpios, 1 }, + {}, +}; + static int byt_max98090_init(struct snd_soc_pcm_runtime *runtime) { int ret; @@ -140,8 +147,9 @@ static struct snd_soc_card byt_max98090_card = { static int byt_max98090_probe(struct platform_device *pdev) { - int ret_val = 0; + struct device *dev = &pdev->dev; struct byt_max98090_private *priv; + int ret_val; priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_ATOMIC); if (!priv) { @@ -149,6 +157,10 @@ static int byt_max98090_probe(struct platform_device *pdev) return -ENOMEM; } + ret_val = devm_acpi_dev_add_driver_gpios(dev->parent, acpi_byt_max98090_gpios); + if (ret_val) + dev_dbg(dev, "Unable to add GPIO mapping table\n"); + byt_max98090_card.dev = &pdev->dev; snd_soc_card_set_drvdata(&byt_max98090_card, priv); ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_max98090_card); @@ -158,7 +170,7 @@ static int byt_max98090_probe(struct platform_device *pdev) return ret_val; } - return ret_val; + return 0; } static int byt_max98090_remove(struct platform_device *pdev) -- 2.11.0