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ASoC: amd: use do_div rather than 64 bit division to fix 32 bit builds

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ERROR: "__aeabi_uldivmod" [sound/soc/amd/snd-soc-acp-pcm.ko] undefined!

64-bit divides require special operations to avoid build errors on 32-bit
systems.

[Reword the commit message to make it clearer - Alex]

fixes: 61add81479 (ASoC: amd: Report accurate hw_ptr during dma)
Signed-off-by: Guenter Roeck <groeck@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/678919
Reviewed-by: Jason Clinton <jclinton@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/681618
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Guenter Roeck 2017-11-08 16:34:54 -05:00 committed by Mark Brown
parent bdd2a858af
commit 7db08b2cb3
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GPG Key ID: 24D68B725D5487D0
1 changed files with 1 additions and 2 deletions
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3
sound/soc/amd/acp-pcm-dma.c
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@ -856,12 +856,11 @@ static snd_pcm_uframes_t acp_dma_pointer(struct snd_pcm_substream *substream)
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
if (bytescount > rtd->renderbytescount)
bytescount = bytescount - rtd->renderbytescount;
pos = bytescount % buffersize;
} else {
if (bytescount > rtd->capturebytescount)
bytescount = bytescount - rtd->capturebytescount;
pos = bytescount % buffersize;
}
pos = do_div(bytescount, buffersize);
return bytes_to_frames(runtime, pos);
}