The transmit phase register value is never cleared during hw params. So once hw params sets this bit to handle a two channel format, it remains configured for dual-phase, which is not desirable for mono playback. Signed-off-by: Kyle Russell <bkylerussell@xxxxxxxxx> --- sound/soc/pxa/mmp-sspa.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/soc/pxa/mmp-sspa.c b/sound/soc/pxa/mmp-sspa.c index 4255851c71c1..52d4d8ace1c3 100644 --- a/sound/soc/pxa/mmp-sspa.c +++ b/sound/soc/pxa/mmp-sspa.c @@ -239,6 +239,7 @@ static int mmp_sspa_hw_params(struct snd_pcm_substream *substream, return -EINVAL; } + sspa_ctrl &= ~SSPA_CTL_XPH; if (dev->of_node || params_channels(params) == 2) sspa_ctrl |= SSPA_CTL_XPH; -- 2.25.1
