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-rw-r--r--sound/soc/codecs/rt5670.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt5670.c b/sound/soc/codecs/rt5670.c
index 8a0833de1665..cd47ef1f5561 100644
--- a/sound/soc/codecs/rt5670.c
+++ b/sound/soc/codecs/rt5670.c
@@ -18,6 +18,7 @@
#include <linux/platform_device.h>
#include <linux/acpi.h>
#include <linux/spi/spi.h>
+#include <linux/dmi.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@@ -2549,6 +2550,17 @@ static struct acpi_device_id rt5670_acpi_match[] = {
MODULE_DEVICE_TABLE(acpi, rt5670_acpi_match);
#endif
+static const struct dmi_system_id dmi_platform_intel_braswell[] = {
+ {
+ .ident = "Intel Braswell",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
+ DMI_MATCH(DMI_BOARD_NAME, "Braswell CRB"),
+ },
+ },
+ {}
+};
+
static int rt5670_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
@@ -2568,6 +2580,12 @@ static int rt5670_i2c_probe(struct i2c_client *i2c,
if (pdata)
rt5670->pdata = *pdata;
+ if (dmi_check_system(dmi_platform_intel_braswell)) {
+ rt5670->pdata.dmic_en = true;
+ rt5670->pdata.dmic1_data_pin = RT5670_DMIC_DATA_IN2P;
+ rt5670->pdata.jd_mode = 1;
+ }
+
rt5670->regmap = devm_regmap_init_i2c(i2c, &rt5670_regmap);
if (IS_ERR(rt5670->regmap)) {
ret = PTR_ERR(rt5670->regmap);