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ASoC: rt5645: set platform data base on DMI

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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>
This commit is contained in:
Fang, Yang A 2015-04-24 17:50:54 -07:00 committed by Mark Brown
parent 10bb15a9a5
commit 78c34fd42e
1 changed files with 46 additions and 1 deletions
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47
sound/soc/codecs/rt5645.c
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@ -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)) {