ASoC: rt5645: set platform data base on DMI

set platform specific data for intel strago platform

Signed-off-by: Fang, Yang A <yang.a.fang@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 46 insertions, 1 deletions

diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index be4d741c45ba..fb561b4332a0 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -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)) {