This patch makes use of the swab16() and swab32() functions available
in the kernel instead of using own implementations.
Signed-off-by: Christian Gromm <christian.gromm@xxxxxxxxxxxxx>
Reported-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
v2: added 'Reported-by:' tag
drivers/staging/most/sound/sound.c | 14 ++------------
1 file changed, 2 insertions(+), 12 deletions(-)
diff --git a/drivers/staging/most/sound/sound.c b/drivers/staging/most/sound/sound.c
index 8a449ab..3a1a590 100644
--- a/drivers/staging/most/sound/sound.c
+++ b/drivers/staging/most/sound/sound.c
@@ -72,22 +72,12 @@ static struct list_head adpt_list;
SNDRV_PCM_INFO_INTERLEAVED | \
SNDRV_PCM_INFO_BLOCK_TRANSFER)
-#define swap16(val) ( \
- (((u16)(val) << 8) & (u16)0xFF00) | \
- (((u16)(val) >> 8) & (u16)0x00FF))
-
-#define swap32(val) ( \
- (((u32)(val) << 24) & (u32)0xFF000000) | \
- (((u32)(val) << 8) & (u32)0x00FF0000) | \
- (((u32)(val) >> 8) & (u32)0x0000FF00) | \
- (((u32)(val) >> 24) & (u32)0x000000FF))
-
static void swap_copy16(u16 *dest, const u16 *source, unsigned int bytes)
{
unsigned int i = 0;
while (i < (bytes / 2)) {
- dest[i] = swap16(source[i]);
+ dest[i] = swab16(source[i]);
i++;
}
}
@@ -109,7 +99,7 @@ static void swap_copy32(u32 *dest, const u32 *source, unsigned int bytes)
unsigned int i = 0;
while (i < bytes / 4) {
- dest[i] = swap32(source[i]);
+ dest[i] = swab32(source[i]);
i++;
}
}
--
2.7.4
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