[PATCH] ASoC: amd: fix report accurate hw_ptr during dma

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From: Guenter Roeck <groeck@xxxxxxxxxxxx>

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.

fixes: 61add8147942 (ASoC: amd: Report accurate hw_ptr during dma)
Signed-off-by: Guenter Roeck <groeck@xxxxxxxxxxxx>
Reviewed-on: https://chromium-review.googlesource.com/678919
Reviewed-by: Jason Clinton <jclinton@xxxxxxxxxxxx>
(cherry picked from commit 7ca726e80f21abdbaed9a5a70def1c33a26f8533)
Reviewed-on: https://chromium-review.googlesource.com/681618
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---

v2: resend with the Chromium tags removed and the subject updated.

 sound/soc/amd/acp-pcm-dma.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c
index 13d040a4d26f..ef7e98ad960c 100644
--- a/sound/soc/amd/acp-pcm-dma.c
+++ b/sound/soc/amd/acp-pcm-dma.c
@@ -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);
 }
 
-- 
2.13.6

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