Add speaker id check by gpio in ACPI for ASUS projects.
Signed-off-by: Baojun Xu baojun.xu@ti.com --- include/sound/tas2781.h | 3 +++ sound/pci/hda/tas2781_hda_i2c.c | 39 ++++++++++++++++++++++++++++++--- 2 files changed, 39 insertions(+), 3 deletions(-)
diff --git a/include/sound/tas2781.h b/include/sound/tas2781.h index 8cd6da0480b7..f8a3dc13cbbc 100644 --- a/include/sound/tas2781.h +++ b/include/sound/tas2781.h @@ -107,6 +107,8 @@ #define TASDEVICE_CMD_DELAY 0x3 #define TASDEVICE_CMD_FIELD_W 0x4
+#define TAS2781_ASUS_ID 0x10430000 + enum audio_device { TAS2563, TAS2781, @@ -156,6 +158,7 @@ struct tasdevice_priv { struct tasdevice_rca rcabin; struct calidata cali_data; struct tasdevice_fw *fmw; + struct gpio_desc *speaker_id; struct gpio_desc *reset; struct mutex codec_lock; struct regmap *regmap; diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c index 370d847517f9..1f71927825b2 100644 --- a/sound/pci/hda/tas2781_hda_i2c.c +++ b/sound/pci/hda/tas2781_hda_i2c.c @@ -615,7 +615,7 @@ static void tasdev_fw_ready(const struct firmware *fmw, void *context) struct tasdevice_priv *tas_priv = context; struct tas2781_hda *tas_hda = dev_get_drvdata(tas_priv->dev); struct hda_codec *codec = tas_priv->codec; - int i, ret; + int i, ret, spk_id;
pm_runtime_get_sync(tas_priv->dev); mutex_lock(&tas_priv->codec_lock); @@ -648,8 +648,23 @@ static void tasdev_fw_ready(const struct firmware *fmw, void *context) tasdevice_dsp_remove(tas_priv);
tas_priv->fw_state = TASDEVICE_DSP_FW_PENDING; - scnprintf(tas_priv->coef_binaryname, 64, "TAS2XXX%04X.bin", - codec->core.subsystem_id & 0xffff); + if ((codec->core.subsystem_id & 0xffff0000) == TAS2781_ASUS_ID) { + // Speaker id need to be checked. + if (tas_priv->speaker_id) + spk_id = gpiod_get_value(tas_priv->speaker_id); + else + spk_id = 0; + if (spk_id < 0 || spk_id > 1) { + // Speaker id is not valid, use default. + dev_dbg(tas_priv->dev, "Wrong spk_id = %d\n", spk_id); + spk_id = 0; + } + scnprintf(tas_priv->coef_binaryname, 64, "TAS2XXX%04X%01d.bin", + codec->core.subsystem_id & 0xffff, spk_id); + } else { + scnprintf(tas_priv->coef_binaryname, 64, "TAS2XXX%04X.bin", + codec->core.subsystem_id & 0xffff); + } ret = tasdevice_dsp_parser(tas_priv); if (ret) { dev_err(tas_priv->dev, "dspfw load %s error\n", @@ -787,6 +802,15 @@ static void tas2781_hda_remove(struct device *dev) tasdevice_remove(tas_hda->priv); }
+static const struct acpi_gpio_params speakerid_gpios = { 0, 0, false }; +static const struct acpi_gpio_params interrupt_gpios = { 1, 0, false }; + +static const struct acpi_gpio_mapping tas2781_speaker_id_gpios[] = { + { "speakerid-gpios", &speakerid_gpios, 1 }, + { "interrupt-gpios", &interrupt_gpios, 1 }, + { } +}; + static int tas2781_hda_i2c_probe(struct i2c_client *clt) { struct tas2781_hda *tas_hda; @@ -823,6 +847,15 @@ static int tas2781_hda_i2c_probe(struct i2c_client *clt) if (ret) return dev_err_probe(tas_hda->dev, ret, "Platform not supported\n"); + ret = devm_acpi_dev_add_driver_gpios(tas_hda->dev, + tas2781_speaker_id_gpios); + if (ret) + dev_info(tas_hda->dev, "Unable to add GPIO mapping table\n"); + + tas_hda->priv->speaker_id = devm_gpiod_get(tas_hda->dev, "speakerid", + GPIOD_IN); + if (IS_ERR(tas_hda->priv->speaker_id)) + dev_info(tas_hda->dev, "Failed to get Speaker id gpio.\n");
ret = tasdevice_init(tas_hda->priv); if (ret)