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OpenCloudOS-Kernel
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Merge branch 'for-3.0' into for-3.1

This commit is contained in:
Mark Brown 2011-06-29 09:49:04 -07:00
parent 4e8e78e37c e999dc5040
commit 57cc2432e1
1 changed files with 11 additions and 2 deletions
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13
sound/soc/blackfin/bf5xx-i2s-pcm.c
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@ -138,11 +138,20 @@ static snd_pcm_uframes_t bf5xx_pcm_pointer(struct snd_pcm_substream *substream)
pr_debug("%s enter\n", __func__);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
diff = sport_curr_offset_tx(sport);
frames = bytes_to_frames(substream->runtime, diff);
} else {
diff = sport_curr_offset_rx(sport);
frames = bytes_to_frames(substream->runtime, diff);
}
/*
* TX at least can report one frame beyond the end of the
* buffer if we hit the wraparound case - clamp to within the
* buffer as the ALSA APIs require.
*/
if (diff == snd_pcm_lib_buffer_bytes(substream))
diff = 0;
frames = bytes_to_frames(substream->runtime, diff);
return frames;
}