linux-kernel - [PATCH 3.13 081/187] ASoC: blackfin: use samples to set silence

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Message-Id: <1410818997-9432-82-git-send-email-kamal@canonical.com>
Date:	Mon, 15 Sep 2014 15:08:11 -0700
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Scott Jiang <scott.jiang.linux@...il.com>,
	Mark Brown <broonie@...aro.org>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 3.13 081/187] ASoC: blackfin: use samples to set silence

3.13.11.7 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Scott Jiang <scott.jiang.linux@...il.com>

commit 30443408fd7201fd1911b09daccf92fae3cc700d upstream.

The third parameter for snd_pcm_format_set_silence needs the number
of samples instead of sample bytes.

Signed-off-by: Scott Jiang <scott.jiang.linux@...il.com>
Signed-off-by: Mark Brown <broonie@...aro.org>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 sound/soc/blackfin/bf5xx-i2s-pcm.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/sound/soc/blackfin/bf5xx-i2s-pcm.c b/sound/soc/blackfin/bf5xx-i2s-pcm.c
index 2a5b434..8cbcbf0 100644
--- a/sound/soc/blackfin/bf5xx-i2s-pcm.c
+++ b/sound/soc/blackfin/bf5xx-i2s-pcm.c
@@ -293,19 +293,19 @@ static int bf5xx_pcm_silence(struct snd_pcm_substream *substream,
 	unsigned int sample_size = runtime->sample_bits / 8;
 	void *buf = runtime->dma_area;
 	struct bf5xx_i2s_pcm_data *dma_data;
-	unsigned int offset, size;
+	unsigned int offset, samples;
 
 	dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
 
 	if (dma_data->tdm_mode) {
 		offset = pos * 8 * sample_size;
-		size = count * 8 * sample_size;
+		samples = count * 8;
 	} else {
 		offset = frames_to_bytes(runtime, pos);
-		size = frames_to_bytes(runtime, count);
+		samples = count * runtime->channels;
 	}
 
-	snd_pcm_format_set_silence(runtime->format, buf + offset, size);
+	snd_pcm_format_set_silence(runtime->format, buf + offset, samples);
 
 	return 0;
 }
-- 
1.9.1

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