ASoC: rt5645: Add the device tree parser

Modify the RT5645 driver to parse platform data from device tree. This is
missing from previous patch in sound/soc/codecs/rt5645.c, that was present
in v3.

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 19 insertions, 6 deletions

diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index 7d04b1aa74f0..18842642a34e 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -3231,6 +3231,20 @@ static struct dmi_system_id dmi_platform_intel_braswell[] = {
         { }
 };
 
+static int rt5645_parse_dt(struct rt5645_priv *rt5645, struct device *dev)
+{
+        rt5645->pdata.in2_diff = device_property_read_bool(dev,
+                "realtek,in2-differential");
+        device_property_read_u32(dev,
+                "realtek,dmic1-data-pin", &rt5645->pdata.dmic1_data_pin);
+        device_property_read_u32(dev,
+                "realtek,dmic2-data-pin", &rt5645->pdata.dmic2_data_pin);
+        device_property_read_u32(dev,
+                "realtek,jd-mode", &rt5645->pdata.jd_mode);
+
+        return 0;
+}
+
 static int rt5645_i2c_probe(struct i2c_client *i2c,
                     const struct i2c_device_id *id)
 {
@@ -3247,13 +3261,12 @@ 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;
-                }
-        }
+        else if (dmi_check_system(dmi_platform_intel_braswell))
+                rt5645->pdata = *rt5645_pdata;
+        else
+                rt5645_parse_dt(rt5645, &i2c->dev);
 
         rt5645->gpiod_hp_det = devm_gpiod_get(&i2c->dev, "hp-detect", GPIOD_IN);