ASoC: Switch FSL SSI DAI over to symmetric_rates
Mark Brown [Sat, 23 May 2009 09:41:05 +0000 (10:41 +0100)]
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>
Acked-by: Timur Tabi <timur@freescale.com>

sound/soc/fsl/fsl_ssi.c

index 47afaa9..93f0f38 100644 (file)
@@ -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) {