Required to have audio output on Epson Moverio BT-200. Audio chip there is marked with AC31051. Audio output is silent there without that clock register set. Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx> --- sound/soc/codecs/tlv320aic3x.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c index 56e795a00e22f..87929e210b55e 100644 --- a/sound/soc/codecs/tlv320aic3x.c +++ b/sound/soc/codecs/tlv320aic3x.c @@ -1234,6 +1234,10 @@ static int aic3x_set_dai_sysclk(struct snd_soc_dai *codec_dai, struct snd_soc_component *component = codec_dai->component; struct aic3x_priv *aic3x = snd_soc_component_get_drvdata(component); + /* probably no mclk if not master, so rely on bitclk */ + if (!aic3x->master) + clk_id = 2; + /* set clock on MCLK or GPIO2 or BCLK */ snd_soc_component_update_bits(component, AIC3X_CLKGEN_CTRL_REG, PLLCLK_IN_MASK, clk_id << PLLCLK_IN_SHIFT); -- 2.39.2
