ALSA: Au88x0 - Fix channels swapping of 4 channels playback

Fix channels swapping of 4 channels playback by
using vortex_adbdma_stopfifo instead of vortex_adbdma_pausefifo
for SNDRV_PCM_TRIGGER_STOP event
Signed-off-by: Raymond Yau <superquad.vortex2@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/au88x0/au88x0_core.c

@@ -1336,7 +1336,6 @@ static void vortex_adbdma_pausefifo(vortex_t * vortex, int adbdma)
 	dma->fifo_status = FIFO_PAUSE;
 }
 
-#if 0				// Using pause instead
 static void vortex_adbdma_stopfifo(vortex_t * vortex, int adbdma)
 {
 	stream_t *dma = &vortex->dma_adb[adbdma];
@@ -1351,7 +1350,6 @@ static void vortex_adbdma_stopfifo(vortex_t * vortex, int adbdma)
 	dma->fifo_enabled = 0;
 }
 
-#endif
 /* WTDMA */
 
 #ifndef CHIP_AU8810

sound/pci/au88x0/au88x0_pcm.c

@@ -353,8 +353,7 @@ static int snd_vortex_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 		//printk(KERN_INFO "vortex: stop %d\n", dma);
 		stream->fifo_enabled = 0;
 		if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
-			vortex_adbdma_pausefifo(chip, dma);
-		//vortex_adbdma_stopfifo(chip, dma);
+			vortex_adbdma_stopfifo(chip, dma);
 #ifndef CHIP_AU8810
 		else {
 			printk(KERN_INFO "vortex: wt stop %d\n", dma);