From: Libin Yang <libin.yang@xxxxxxxxx> Some drivers mandate setting up hw params after resuming from system sleep. Since, the hw_params ioctl is not invoked upon resuming, the fixed-up BE dai hw params should be saved so the driver can use it in its resume sequence. Signed-off-by: Libin Yang <libin.yang@xxxxxxxxx> --- sound/soc/soc-pcm.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index d212475..7469535 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -2164,6 +2164,10 @@ int dpcm_be_dai_hw_params(struct snd_soc_pcm_runtime *fe, int stream) } } + /* copy the fixed-up hw params for BE dai */ + memcpy(&be->dpcm[stream].hw_params, &dpcm->hw_params, + sizeof(struct snd_pcm_hw_params)); + /* only allow hw_params() if no connected FEs are running */ if (!snd_soc_dpcm_can_be_params(fe, be, stream)) continue; -- 2.7.4 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
