@@ -19,6 +19,7 @@
#include <linux/spi/spi.h>
#include <linux/gpio.h>
#include <linux/acpi.h>
+#include <linux/dmi.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@@ -2666,6 +2667,34 @@ static struct acpi_device_id rt5645_acpi_match[] = {
MODULE_DEVICE_TABLE(acpi, rt5645_acpi_match);
#endif
+static struct rt5645_platform_data *rt5645_pdata;
+
+static struct rt5645_platform_data strago_platform_data = {
+ .dmic_en = true,
+ .dmic1_data_pin = -1,
+ .dmic2_data_pin = RT5645_DMIC_DATA_IN2P,
+ .en_jd_func = true,
+ .jd_mode = 3,
+};
+
+static int strago_quirk_cb(const struct dmi_system_id *id)
+{
+ rt5645_pdata = &strago_platform_data;
+
+ return 1;
+}
+
+static struct dmi_system_id dmi_platform_intel_braswell[] __initdata = {
+ {
+ .ident = "Intel Strago",
+ .callback = strago_quirk_cb,
+ .matches = {
+ DMI_MATCH(DMI_PRODUCT_NAME, "Strago"),
+ },
+ },
+ { }
+};
+
static int rt5645_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
@@ -2673,6 +2702,7 @@ static int rt5645_i2c_probe(struct i2c_client *i2c,
struct rt5645_priv *rt5645;
int ret;
unsigned int val;
+ struct gpio_desc *gpiod;
rt5645 = devm_kzalloc(&i2c->dev, sizeof(struct rt5645_priv),
GFP_KERNEL);
@@ -2682,8 +2712,23 @@ static int rt5645_i2c_probe(struct i2c_client *i2c,
rt5645->i2c = i2c;
i2c_set_clientdata(i2c, rt5645);
- if (pdata)
+ if (pdata) {
rt5645->pdata = *pdata;
+ } else {
+ if (dmi_check_system(dmi_platform_intel_braswell)) {
+ rt5645->pdata = *rt5645_pdata;
+ gpiod = devm_gpiod_get_index(&i2c->dev, "rt5645", 0);
+
+ if (IS_ERR(gpiod) || gpiod_direction_input(gpiod)) {
+ rt5645->pdata.hp_det_gpio = -1;
+ dev_err(&i2c->dev, "failed to initialize gpiod\n");
+ } else {
+ rt5645->pdata.hp_det_gpio = desc_to_gpio(gpiod);
+ rt5645->pdata.gpio_hp_det_active_high
+ = !gpiod_is_active_low(gpiod);
+ }
+ }
+ }
rt5645->regmap = devm_regmap_init_i2c(i2c, &rt5645_regmap);
if (IS_ERR(rt5645->regmap)) {