Unverified Commit 715cdce0 authored Jul 02, 2018 by Daniel Kurtz Committed by Mark Brown Jul 03, 2018

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>

parent 30896d36

sound/soc/amd/acp-pcm-dma.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -995,7 +995,6 @@ 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;
		pos = do_div(bytescount, buffersize);
		return bytes_to_frames(runtime, pos);