AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-04 12:26:56 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

ASoC: AMD: Always subtract bytescount

Browse Source 
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>
This commit is contained in:
Daniel Kurtz 2018-07-02 15:19:52 -06:00 committed by Mark Brown
parent 30896d3619
commit 715cdce044
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
sound/soc/amd/acp-pcm-dma.c
View File

@ -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);
}