The effect of symmetric_constraints should provide a standard way to enforce the use of the same sample rate for both directions.

Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- sound/soc/fsl/fsl_ssi.c | 9 +++------ 1 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index 47afaa9..93f0f38 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -375,18 +375,14 @@ static int fsl_ssi_startup(struct snd_pcm_substream *substream, struct snd_pcm_runtime *first_runtime = ssi_private->first_stream->runtime;

- if (!first_runtime->rate || !first_runtime->sample_bits) { + if (!first_runtime->sample_bits) { dev_err(substream->pcm->card->dev, - "set sample rate and size in %s stream first\n", + "set sample size in %s stream first\n", substream->stream == SNDRV_PCM_STREAM_PLAYBACK ? "capture" : "playback"); return -EAGAIN; }

- snd_pcm_hw_constraint_minmax(substream->runtime, - SNDRV_PCM_HW_PARAM_RATE, - first_runtime->rate, first_runtime->rate); - /* If we're in synchronous mode, then we need to constrain * the sample size as well. We don't support independent sample * rates in asynchronous mode. @@ -693,6 +689,7 @@ struct snd_soc_dai *fsl_ssi_create_dai(struct fsl_ssi_info *ssi_info) fsl_ssi_dai->name = ssi_private->name; fsl_ssi_dai->id = ssi_info->id; fsl_ssi_dai->dev = ssi_info->dev; + fsl_ssi_dai->symmetric_rates = 1;

ret = snd_soc_register_dai(fsl_ssi_dai); if (ret != 0) {