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authorTakashi Iwai <tiwai@suse.de>2008-08-21 15:00:13 +0400
committerJaroslav Kysela <perex@perex.cz>2008-08-25 11:57:18 +0400
commit77a23f2695bb2de0cd74599400dc55109c531b72 (patch)
tree4960195e04016928dea83deb85e0f3bf97024a8a /sound/pci/bt87x.c
parent46480b3a5f88f20dbf25d95fe74d7b4798d5bc86 (diff)
downloadlinux-77a23f2695bb2de0cd74599400dc55109c531b72.tar.xz
ALSA: Clean up SG-buffer helper functions and macros
Clean up SG-buffer helper functions and macros. Helpers take substream as arguments now. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Diffstat (limited to 'sound/pci/bt87x.c')
-rw-r--r--sound/pci/bt87x.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/sound/pci/bt87x.c b/sound/pci/bt87x.c
index 4ecdd635ed1d..3aa8d973540a 100644
--- a/sound/pci/bt87x.c
+++ b/sound/pci/bt87x.c
@@ -227,7 +227,6 @@ static inline void snd_bt87x_writel(struct snd_bt87x *chip, u32 reg, u32 value)
static int snd_bt87x_create_risc(struct snd_bt87x *chip, struct snd_pcm_substream *substream,
unsigned int periods, unsigned int period_bytes)
{
- struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream);
unsigned int i, offset;
u32 *risc;
@@ -246,6 +245,7 @@ static int snd_bt87x_create_risc(struct snd_bt87x *chip, struct snd_pcm_substrea
rest = period_bytes;
do {
u32 cmd, len;
+ unsigned int addr;
len = PAGE_SIZE - (offset % PAGE_SIZE);
if (len > rest)
@@ -260,7 +260,8 @@ static int snd_bt87x_create_risc(struct snd_bt87x *chip, struct snd_pcm_substrea
if (len == rest)
cmd |= RISC_EOL | RISC_IRQ;
*risc++ = cpu_to_le32(cmd);
- *risc++ = cpu_to_le32((u32)snd_pcm_sgbuf_get_addr(sgbuf, offset));
+ addr = snd_pcm_sgbuf_get_addr(substream, offset);
+ *risc++ = cpu_to_le32(addr);
offset += len;
rest -= len;
} while (rest > 0);