[alsa-devel] [PATCH] 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 --- sound/soc/codecs/rt5645.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index 7d04b1a..7bfc17e 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) { @@ -3249,6 +3263,8 @@ static int rt5645_i2c_probe(struct i2c_client *i2c,
if (pdata) { rt5645->pdata = *pdata; + } else if (i2c->dev.of_node) { + rt5645_parse_dt(rt5645, &i2c->dev); } else { if (dmi_check_system(dmi_platform_intel_braswell)) { rt5645->pdata = *rt5645_pdata;
participants (1)
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Oder Chiou