From: Mengdong Lin mengdong.lin@intel.com
This patch adds the ACPI match ID for rt5670/5672 codec. So on Intel CherryTrail/Braswell platforms, the codec can be enumerated from ACPI and depends on ACPI to get platform-specific info and power saving.
Signed-off-by: Mengdong Lin mengdong.lin@intel.com Reviewed-by: Bard Liao bardliao@realtek.com
diff --git a/sound/soc/codecs/rt5670.c b/sound/soc/codecs/rt5670.c index c4c42d5..fd32501 100644 --- a/sound/soc/codecs/rt5670.c +++ b/sound/soc/codecs/rt5670.c @@ -16,6 +16,7 @@ #include <linux/pm.h> #include <linux/i2c.h> #include <linux/platform_device.h> +#include <linux/acpi.h> #include <linux/spi/spi.h> #include <sound/core.h> #include <sound/pcm.h> @@ -2503,6 +2504,14 @@ static const struct i2c_device_id rt5670_i2c_id[] = { }; MODULE_DEVICE_TABLE(i2c, rt5670_i2c_id);
+#ifdef CONFIG_ACPI +static struct acpi_device_id rt5670_acpi_match[] = { + { "10EC5670", 0}, + { }, +}; +MODULE_DEVICE_TABLE(acpi, rt5670_acpi_match); +#endif + static int rt5670_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { @@ -2691,6 +2700,7 @@ static struct i2c_driver rt5670_i2c_driver = { .driver = { .name = "rt5670", .owner = THIS_MODULE, + .acpi_match_table = ACPI_PTR(rt5670_acpi_match), }, .probe = rt5670_i2c_probe, .remove = rt5670_i2c_remove,