ASoC: sti: Use snd_pcm_stop_xrun() helper

The XRUN trigger from the driver should be done via
snd_pcm_stop_xrun().  It fixes the missing stream locking as a gratis,
too.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sti/uniperif_player.c

@@ -91,7 +91,7 @@ static irqreturn_t uni_player_irq_handler(int irq, void *dev_id)
 			SET_UNIPERIF_ITM_BCLR_FIFO_ERROR(player);
 
 			/* Stop the player */
-			snd_pcm_stop(player->substream, SNDRV_PCM_STATE_XRUN);
+			snd_pcm_stop_xrun(player->substream);
 		}
 
 		ret = IRQ_HANDLED;
@@ -105,7 +105,7 @@ static irqreturn_t uni_player_irq_handler(int irq, void *dev_id)
 		SET_UNIPERIF_ITM_BCLR_DMA_ERROR(player);
 
 		/* Stop the player */
-		snd_pcm_stop(player->substream, SNDRV_PCM_STATE_XRUN);
+		snd_pcm_stop_xrun(player->substream);
 
 		ret = IRQ_HANDLED;
 	}
@@ -138,7 +138,7 @@ static irqreturn_t uni_player_irq_handler(int irq, void *dev_id)
 		dev_err(player->dev, "Underflow recovery failed\n");
 
 		/* Stop the player */
-		snd_pcm_stop(player->substream, SNDRV_PCM_STATE_XRUN);
+		snd_pcm_stop_xrun(player->substream);
 
 		ret = IRQ_HANDLED;
 	}

sound/soc/sti/uniperif_reader.c

@@ -65,7 +65,7 @@ static irqreturn_t uni_reader_irq_handler(int irq, void *dev_id)
 	if (unlikely(status & UNIPERIF_ITS_FIFO_ERROR_MASK(reader))) {
 		dev_err(reader->dev, "FIFO error detected\n");
 
-		snd_pcm_stop(reader->substream, SNDRV_PCM_STATE_XRUN);
+		snd_pcm_stop_xrun(reader->substream);
 
 		ret = IRQ_HANDLED;
 	}