[alsa-devel] [PATCH] ASoC: wm_adsp: round to 4-byte boundary for coeff file blocks

Chris Rattray crattray at opensource.wolfsonmicro.com
Fri Feb 8 15:32:15 CET 2013


Signed-off-by: Chris Rattray <crattray at opensource.wolfsonmicro.com>
---
 sound/soc/codecs/wm_adsp.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index be45e2b..f3f7e75 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -711,6 +711,7 @@ static int wm_adsp_load_coeff(struct wm_adsp *dsp)
 	int ret, pos, blocks, type, offset, reg;
 	char *file;
 	struct wm_adsp_buf *buf;
+	int tmp;
 
 	file = kzalloc(PAGE_SIZE, GFP_KERNEL);
 	if (file == NULL)
@@ -842,7 +843,12 @@ static int wm_adsp_load_coeff(struct wm_adsp *dsp)
 			}
 		}
 
-		pos += le32_to_cpu(blk->len) + sizeof(*blk);
+		tmp = le32_to_cpu(blk->len) % 4;
+		if (tmp)
+			pos += le32_to_cpu(blk->len) + (4 - tmp) + sizeof(*blk);
+		else
+			pos += le32_to_cpu(blk->len) + sizeof(*blk);
+
 		blocks++;
 	}
 
-- 
1.7.2.5



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