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>
diff --git a/sound/pci/bt87x.c b/sound/pci/bt87x.c
index 4ecdd63..3aa8d97 100644
--- a/sound/pci/bt87x.c
+++ b/sound/pci/bt87x.c
@@ -227,7 +227,6 @@
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 @@
rest = period_bytes;
do {
u32 cmd, len;
+ unsigned int addr;
len = PAGE_SIZE - (offset % PAGE_SIZE);
if (len > rest)
@@ -260,7 +260,8 @@
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);