ALSA: au88x0: fix wrong period_elapsed() call

The period_elapsed() call should be called when position moves.

The idea was taken from ALSA bug#4455.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 2 insertions, 1 deletions

diff --git a/sound/pci/au88x0/au88x0_core.c b/sound/pci/au88x0/au88x0_core.c
index f84bb19c7fdd..23f49f356e0f 100644
--- a/sound/pci/au88x0/au88x0_core.c
+++ b/sound/pci/au88x0/au88x0_core.c
@@ -2440,7 +2440,8 @@ static irqreturn_t vortex_interrupt(int irq, void *dev_id)
                 spin_lock(&vortex->lock);
                 for (i = 0; i < NR_ADB; i++) {
                         if (vortex->dma_adb[i].fifo_status == FIFO_START) {
-                                if (vortex_adbdma_bufshift(vortex, i)) ;
+                                if (!vortex_adbdma_bufshift(vortex, i))
+                                        continue;
                                 spin_unlock(&vortex->lock);
                                 snd_pcm_period_elapsed(vortex->dma_adb[i].
                                                        substream);