This patch adds reset and precharge in shutdown of PCM device. ACODEC goes to silence if we change Fs to 44.1kHz from 48kHz. This workaround seems to work but I don't know this workaround is correct sequence or not for ACODEC. Signed-off-by: Katsuhiro Suzuki <katsuhiro@xxxxxxxxxxxxx> --- sound/soc/codecs/rk3328_codec.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/sound/soc/codecs/rk3328_codec.c b/sound/soc/codecs/rk3328_codec.c index 71f3fc2d970c..f3442a2283ea 100644 --- a/sound/soc/codecs/rk3328_codec.c +++ b/sound/soc/codecs/rk3328_codec.c @@ -261,9 +261,12 @@ static int rk3328_codec_close_playback(struct rk3328_codec_priv *rk3328) mdelay(1); } + /* Workaround for silence when changed Fs 48 -> 44.1kHz */ + rk3328_codec_reset(rk3328); + regmap_update_bits(rk3328->regmap, DAC_PRECHARGE_CTRL, DAC_CHARGE_CURRENT_ALL_MASK, - DAC_CHARGE_CURRENT_I); + DAC_CHARGE_CURRENT_ALL_ON); return 0; } -- 2.19.2 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
