diff options
Diffstat (limited to 'sound/soc/intel/boards/bdw-rt5677.c')
| -rw-r--r-- | sound/soc/intel/boards/bdw-rt5677.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/bdw-rt5677.c b/sound/soc/intel/boards/bdw-rt5677.c index 14d9693c1641..bb98e94dd6f9 100644 --- a/sound/soc/intel/boards/bdw-rt5677.c +++ b/sound/soc/intel/boards/bdw-rt5677.c @@ -16,6 +16,7 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ +#include <linux/acpi.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/gpio/consumer.h> @@ -120,6 +121,26 @@ static struct snd_soc_jack_gpio mic_jack_gpio = { .invert = 1, }; +/* GPIO indexes defined by ACPI */ +enum { + RT5677_GPIO_PLUG_DET = 0, + RT5677_GPIO_MIC_PRESENT_L = 1, + RT5677_GPIO_HOTWORD_DET_L = 2, + RT5677_GPIO_DSP_INT = 3, + RT5677_GPIO_HP_AMP_SHDN_L = 4, +}; + +static const struct acpi_gpio_params plug_det_gpio = { RT5677_GPIO_PLUG_DET, 0, false }; +static const struct acpi_gpio_params mic_present_gpio = { RT5677_GPIO_MIC_PRESENT_L, 0, false }; +static const struct acpi_gpio_params headphone_enable_gpio = { RT5677_GPIO_HP_AMP_SHDN_L, 0, false }; + +static const struct acpi_gpio_mapping bdw_rt5677_gpios[] = { + { "plug-det-gpios", &plug_det_gpio, 1 }, + { "mic-present-gpios", &mic_present_gpio, 1 }, + { "headphone-enable-gpios", &headphone_enable_gpio, 1 }, + { NULL }, +}; + static int broadwell_ssp0_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params) { @@ -184,6 +205,12 @@ static int bdw_rt5677_init(struct snd_soc_pcm_runtime *rtd) snd_soc_card_get_drvdata(rtd->card); struct snd_soc_codec *codec = rtd->codec; struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec); + int ret; + + ret = acpi_dev_add_driver_gpios(ACPI_COMPANION(codec->dev), + bdw_rt5677_gpios); + if (ret) + dev_warn(codec->dev, "Failed to add driver gpios\n"); /* Enable codec ASRC function for Stereo DAC/Stereo1 ADC/DMIC/I2S1. * The ASRC clock source is clk_i2s1_asrc. |