diff options
| author | Takashi Iwai <tiwai@suse.de> | 2010-10-22 17:15:47 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-10-22 17:15:47 +0200 |
| commit | 62b7e5e09bcb854ff05e6ee1aa161f8283dc36ee (patch) | |
| tree | 2e1c90dca82b9c45963b485da0fb6d2cc3fbde47 /sound/pci/hda | |
| parent | a74ccea51d4314632a81d568d59bf885e5b09d93 (diff) | |
| download | linux-rt-62b7e5e09bcb854ff05e6ee1aa161f8283dc36ee.tar.gz | |
ALSA: hda - Add workarounds for CT-IBG controllers
Creative IBG controllers require the playback stream-tags to be started
from 1, instead of capture+1. Otherwise the stream stalls.
Reported-by: Wai Yew CHAY <wychay@ctl.creative.com>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda')
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 5 | ||||
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 9 |
2 files changed, 11 insertions, 3 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index ee134a25092c..13c1e7703c49 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -1216,6 +1216,7 @@ void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, struct hda_codec *c; struct hda_cvt_setup *p; unsigned int oldval, newval; + int type; int i; if (!nid) @@ -1254,10 +1255,12 @@ void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, p->dirty = 0; /* make other inactive cvts with the same stream-tag dirty */ + type = get_wcaps_type(get_wcaps(codec, nid)); list_for_each_entry(c, &codec->bus->codec_list, list) { for (i = 0; i < c->cvt_setups.used; i++) { p = snd_array_elem(&c->cvt_setups, i); - if (!p->active && p->stream_tag == stream_tag) + if (!p->active && p->stream_tag == stream_tag && + get_wcaps_type(get_wcaps(codec, p->nid)) == type) p->dirty = 1; } } diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index ee445bc6e810..21aa9b0e28f6 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -1652,7 +1652,7 @@ static int azx_pcm_prepare(struct snd_pcm_substream *substream) struct azx_dev *azx_dev = get_azx_dev(substream); struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream]; struct snd_pcm_runtime *runtime = substream->runtime; - unsigned int bufsize, period_bytes, format_val; + unsigned int bufsize, period_bytes, format_val, stream_tag; int err; azx_stream_reset(chip, azx_dev); @@ -1694,7 +1694,12 @@ static int azx_pcm_prepare(struct snd_pcm_substream *substream) else azx_dev->fifo_size = 0; - return snd_hda_codec_prepare(apcm->codec, hinfo, azx_dev->stream_tag, + stream_tag = azx_dev->stream_tag; + /* CA-IBG chips need the playback stream starting from 1 */ + if (chip->driver_type == AZX_DRIVER_CTX && + stream_tag > chip->capture_streams) + stream_tag -= chip->capture_streams; + return snd_hda_codec_prepare(apcm->codec, hinfo, stream_tag, azx_dev->format_val, substream); } |