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authorRaymond Yau <superquad.vortex2@gmail.com>2012-01-06 09:19:29 +0800
committerTakashi Iwai <tiwai@suse.de>2012-01-08 14:38:42 +0100
commit3ae4e1f7a0dab95f7e6049272cdb59c7bdc34365 (patch)
treed6766423086eb992162fd6d5bb9fef9a765d29a2
parent76474da05ff7b1729b36cd2b6d7aa6b1865d68f1 (diff)
downloadlinux-3ae4e1f7a0dab95f7e6049272cdb59c7bdc34365.tar.bz2
ALSA: Au88x0 - Fix IRQ fifo error and channels swap of 4 channels playback
Fix IRQ fifo error when playing stereo by set stereo flag of fifo control. This also fix the swap of front and rear channels on au8830. Signed-off-by: Raymond Yau <superquad.vortex2@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
-rw-r--r--sound/pci/au88x0/au88x0_core.c8
-rw-r--r--sound/pci/au88x0/au88x0_pcm.c4
2 files changed, 6 insertions, 6 deletions
diff --git a/sound/pci/au88x0/au88x0_core.c b/sound/pci/au88x0/au88x0_core.c
index 489150380eac..d49e2c5ecb75 100644
--- a/sound/pci/au88x0/au88x0_core.c
+++ b/sound/pci/au88x0/au88x0_core.c
@@ -805,7 +805,7 @@ static void vortex_fifo_setadbvalid(vortex_t * vortex, int fifo, int en)
}
static void
-vortex_fifo_setadbctrl(vortex_t * vortex, int fifo, int b, int priority,
+vortex_fifo_setadbctrl(vortex_t * vortex, int fifo, int stereo, int priority,
int empty, int valid, int f)
{
int temp, lifeboat = 0;
@@ -837,7 +837,7 @@ vortex_fifo_setadbctrl(vortex_t * vortex, int fifo, int b, int priority,
#else
temp = (this_4 & 0x3f) << 0xc;
#endif
- temp = (temp & 0xfffffffd) | ((b & 1) << 1);
+ temp = (temp & 0xfffffffd) | ((stereo & 1) << 1);
temp = (temp & 0xfffffff3) | ((priority & 3) << 2);
temp = (temp & 0xffffffef) | ((valid & 1) << 4);
temp |= FIFO_U1;
@@ -1148,11 +1148,11 @@ vortex_adbdma_setbuffers(vortex_t * vortex, int adbdma,
static void
vortex_adbdma_setmode(vortex_t * vortex, int adbdma, int ie, int dir,
- int fmt, int d, u32 offset)
+ int fmt, int stereo, u32 offset)
{
stream_t *dma = &vortex->dma_adb[adbdma];
- dma->dma_unknown = d;
+ dma->dma_unknown = stereo;
dma->dma_ctrl =
((offset & OFFSET_MASK) | (dma->dma_ctrl & ~OFFSET_MASK));
/* Enable PCMOUT interrupts. */
diff --git a/sound/pci/au88x0/au88x0_pcm.c b/sound/pci/au88x0/au88x0_pcm.c
index c5f7ae46afef..509969038ac5 100644
--- a/sound/pci/au88x0/au88x0_pcm.c
+++ b/sound/pci/au88x0/au88x0_pcm.c
@@ -307,8 +307,8 @@ static int snd_vortex_pcm_prepare(struct snd_pcm_substream *substream)
fmt = vortex_alsafmt_aspfmt(runtime->format);
spin_lock_irq(&chip->lock);
if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
- vortex_adbdma_setmode(chip, dma, 1, dir, fmt, 0 /*? */ ,
- 0);
+ vortex_adbdma_setmode(chip, dma, 1, dir, fmt,
+ runtime->channels == 1 ? 0 : 1, 0);
vortex_adbdma_setstartbuffer(chip, dma, 0);
if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_SPDIF)
vortex_adb_setsrc(chip, dma, runtime->rate, dir);