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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/riptide
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/riptide')
-rw-r--r--sound/pci/riptide/riptide.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/sound/pci/riptide/riptide.c b/sound/pci/riptide/riptide.c
index 124f9a2f1535..e9f0706ed3e4 100644
--- a/sound/pci/riptide/riptide.c
+++ b/sound/pci/riptide/riptide.c
@@ -1483,7 +1483,6 @@ static int snd_riptide_prepare(struct snd_pcm_substream *substream)
{
struct snd_riptide *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
- struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream);
struct pcmhw *data = get_pcmhwdev(substream);
struct cmdif *cif = chip->cif;
unsigned char *lbuspath = NULL;
@@ -1515,9 +1514,9 @@ static int snd_riptide_prepare(struct snd_pcm_substream *substream)
lbuspath = data->paths.stereo;
break;
}
- snd_printdd("use sgdlist at 0x%p and buffer at 0x%p\n",
- data->sgdlist.area, sgbuf);
- if (data->sgdlist.area && sgbuf) {
+ snd_printdd("use sgdlist at 0x%p\n",
+ data->sgdlist.area);
+ if (data->sgdlist.area) {
unsigned int i, j, size, pages, f, pt, period;
struct sgd *c, *p = NULL;
@@ -1535,6 +1534,7 @@ static int snd_riptide_prepare(struct snd_pcm_substream *substream)
pt = 0;
j = 0;
for (i = 0; i < pages; i++) {
+ unsigned int ofs, addr;
c = &data->sgdbuf[i];
if (p)
p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
@@ -1542,8 +1542,9 @@ static int snd_riptide_prepare(struct snd_pcm_substream *substream)
sizeof(struct
sgd)));
c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
- c->dwSegPtrPhys =
- cpu_to_le32(sgbuf->table[j].addr + pt);
+ ofs = j << PAGE_SHIFT;
+ addr = snd_pcm_sgbuf_get_addr(substream, ofs) + pt;
+ c->dwSegPtrPhys = cpu_to_le32(addr);
pt = (pt + f) % PAGE_SIZE;
if (pt == 0)
j++;