ALSA: Clean up SG-buffer helper functions and macros

[linux-2.6-omap-h63xx.git] / sound / pci / bt87x.c

diff --git a/sound/pci/bt87x.c b/sound/pci/bt87x.c
index 4ecdd635ed1d34bcf06749aa7dcc4ad7f6b0acb3..3aa8d973540abefb0c55234ec4c84eafe66ece26 100644 (file)
--- 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);