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ASoC: rt5640: Allow specifying dmic data pins through device-properties 

Allow specifying dmic data pins through device-properties / dt. This will
allow us to stop exporting rt5640_dmic_enable() once all callers of it have
been converted to setting device-properties for this instead.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Hans de Goede 2018-05-08 17:35:50 +02:00 committed by Mark Brown
parent 988a5e0162
commit fb509fa962
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GPG Key ID: 24D68B725D5487D0
1 changed files with 19 additions and 0 deletions
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19
sound/soc/codecs/rt5640.c
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@ -2097,6 +2097,10 @@ static int rt5640_probe(struct snd_soc_component *component)
{
struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
struct rt5640_priv *rt5640 = snd_soc_component_get_drvdata(component);
u32 dmic1_data_pin = 0;
u32 dmic2_data_pin = 0;
bool dmic_en = false;
u32 val;
/* Check if MCLK provided */
rt5640->mclk = devm_clk_get(component->dev, "mclk");
@ -2157,6 +2161,21 @@ static int rt5640_probe(struct snd_soc_component *component)
snd_soc_component_update_bits(component, RT5640_IN1_IN2,
RT5640_IN_DF2, RT5640_IN_DF2);
if (device_property_read_u32(component->dev, "realtek,dmic1-data-pin",
&val) == 0 && val) {
dmic1_data_pin = val - 1;
dmic_en = true;
}
if (device_property_read_u32(component->dev, "realtek,dmic2-data-pin",
&val) == 0 && val) {
dmic2_data_pin = val - 1;
dmic_en = true;
}
if (dmic_en)
rt5640_dmic_enable(component, dmic1_data_pin, dmic2_data_pin);
return 0;
}