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authorOndrej Jirman <megi@xff.cz>2022-12-09 13:56:20 +0300
committerMark Brown <broonie@kernel.org>2022-12-26 02:33:32 +0300
commit44b54f54b41d36e8a2302a2c18a65268751c9067 (patch)
treecc51f7b2a6c58baa984c10e8a2db3b6f98089639 /sound/soc/codecs/rt5640.c
parenta5c26ee572d94337baf9c944b7b4881a2db62d37 (diff)
downloadlinux-44b54f54b41d36e8a2302a2c18a65268751c9067.tar.xz
ASoC: rt5640: Allow configuration of LOUT to mono differential mode
LOUT output can produce either single-ended stereo signals, or mono differential signal. Some applications are wired to use LOUT in mono differential mode. Allow to configure it via device property. Signed-off-by: Ondrej Jirman <megi@xff.cz> Signed-off-by: Jarrah Gosbell <kernel@undef.tools> Link: https://lore.kernel.org/r/20221209105621.39237-1-kernel@undef.tools Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/rt5640.c')
-rw-r--r--sound/soc/codecs/rt5640.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c
index 708e55b7431a..9e6341a68c6b 100644
--- a/sound/soc/codecs/rt5640.c
+++ b/sound/soc/codecs/rt5640.c
@@ -2717,6 +2717,10 @@ 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_bool(component->dev, "realtek,lout-differential"))
+ snd_soc_component_update_bits(component, RT5640_DUMMY1,
+ RT5640_EN_LOUT_DF, RT5640_EN_LOUT_DF);
+
if (device_property_read_u32(component->dev, "realtek,dmic1-data-pin",
&val) == 0 && val) {
dmic1_data_pin = val - 1;