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| author |   Takashi Iwai <tiwai@suse.de> | 2008-08-21 13:00:13 +0200 |
|---|---|---|
| committer |   Jaroslav Kysela <perex@perex.cz> | 2008-08-25 09:57:18 +0200 |
| commit | 77a23f2695bb2de0cd74599400dc55109c531b72 (patch) | |
| tree | 4960195e04016928dea83deb85e0f3bf97024a8a /sound/pci/bt87x.c | |
| parent | ALSA: revo51: add headphone output (diff) | |
| download | linux-dev-77a23f2695bb2de0cd74599400dc55109c531b72.tar.xz linux-dev-77a23f2695bb2de0cd74599400dc55109c531b72.zip | |
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.c | 5 |
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); |