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sound/soc/sh/siu: Fixed undefined dma_length of scatter gather list
author
Markus Pietrek
<markus.pietrek@emtrion.de>
Wed, 4 Aug 2010 06:59:50 +0000
(15:59 +0900)
committer
Paul Mundt
<lethal@linux-sh.org>
Wed, 4 Aug 2010 06:59:50 +0000
(15:59 +0900)
Without this patch, an undefined/random sg->dma_length is used and
the sound will be played/captured wrongly.
Signed-off-by: Markus Pietrek <markus.pietrek@emtrion.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
sound/soc/sh/siu_pcm.c
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diff --git
a/sound/soc/sh/siu_pcm.c
b/sound/soc/sh/siu_pcm.c
index
36170be
..
b0ccd0b
100644
(file)
--- a/
sound/soc/sh/siu_pcm.c
+++ b/
sound/soc/sh/siu_pcm.c
@@
-127,6
+127,7
@@
static int siu_pcm_wr_set(struct siu_port *port_info,
sg_init_table(&sg, 1);
sg_set_page(&sg, pfn_to_page(PFN_DOWN(buff)),
size, offset_in_page(buff));
+ sg_dma_len(&sg) = size;
sg_dma_address(&sg) = buff;
desc = siu_stream->chan->device->device_prep_slave_sg(siu_stream->chan,
@@
-176,6
+177,7
@@
static int siu_pcm_rd_set(struct siu_port *port_info,
sg_init_table(&sg, 1);
sg_set_page(&sg, pfn_to_page(PFN_DOWN(buff)),
size, offset_in_page(buff));
+ sg_dma_len(&sg) = size;
sg_dma_address(&sg) = buff;
desc = siu_stream->chan->device->device_prep_slave_sg(siu_stream->chan,