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ALSA: Au88x0 - Fix IRQ fifo error and channels swap of 4 channels playback

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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>
This commit is contained in:
Raymond Yau 2012-01-06 09:19:29 +08:00 committed by Takashi Iwai
parent 76474da05f
commit 3ae4e1f7a0
2 changed files with 6 additions and 6 deletions
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8
sound/pci/au88x0/au88x0_core.c
View File

@ -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. */

4
sound/pci/au88x0/au88x0_pcm.c
View File

@ -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);