diff options
| author |  Daniel Kurtz <djkurtz@chromium.org>
| 2018-07-02 15:19:52 -0600 |
|---|---|---|
| committer |  Mark Brown <broonie@kernel.org>
| 2018-07-03 16:14:29 +0100 |
| commit | 715cdce04487fb23d5c10693b3bc01309fea955a (patch) | |
| tree | 401405611a90b799e8d203135ff7f68cc48c9814 /sound/soc/amd | |
| parent | ASoC: AMD: Always stop ch2 first (diff) | |
| download | linux-715cdce04487fb23d5c10693b3bc01309fea955a.tar.gz linux-715cdce04487fb23d5c10693b3bc01309fea955a.tar.bz2 linux-715cdce04487fb23d5c10693b3bc01309fea955a.zip | |
ASoC: AMD: Always subtract bytescount
It is always correct to subtract out the starting bytescount value. Even
in the case of 2^64 byte rollover (292 Million Years in the future
@ 48000 Hz) the math still works out.
Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/amd')
| -rw-r--r-- | sound/soc/amd/acp-pcm-dma.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c index 4665ae12e74e..034fac3de037 100644 --- a/sound/soc/amd/acp-pcm-dma.c +++ b/sound/soc/amd/acp-pcm-dma.c @@ -995,8 +995,7 @@ static snd_pcm_uframes_t acp_dma_pointer(struct snd_pcm_substream *substream) buffersize = frames_to_bytes(runtime, runtime->buffer_size); bytescount = acp_get_byte_count(rtd); - if (bytescount > rtd->bytescount) - bytescount -= rtd->bytescount; + bytescount -= rtd->bytescount; pos = do_div(bytescount, buffersize); return bytes_to_frames(runtime, pos); } |