diff options
| 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/riptide | |
| parent | ALSA: revo51: add headphone output (diff) | |
| download | linux-77a23f2695bb2de0cd74599400dc55109c531b72.tar.xz linux-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/riptide')
| -rw-r--r-- | sound/pci/riptide/riptide.c | 13 |
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++; |