sound/oss: use current->state helpers

Call __set_current_state() instead of assigning the new state directly.
These interfaces also aid CONFIG_DEBUG_ATOMIC_SLEEP environments, keeping
track of who changed the state.

Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/oss/msnd_pinnacle.c b/sound/oss/msnd_pinnacle.c
index c23f9f9..a8ceef8 100644
--- a/sound/oss/msnd_pinnacle.c
+++ b/sound/oss/msnd_pinnacle.c
@@ -675,7 +675,7 @@
 		timeout);
 	clear_bit(F_WRITEFLUSH, &dev.flags);
 	if (!signal_pending(current)) {
-		current->state = TASK_INTERRUPTIBLE;
+		__set_current_state(TASK_INTERRUPTIBLE);
 		schedule_timeout(get_play_delay_jiffies(DAP_BUFF_SIZE));
 	}
 	clear_bit(F_WRITING, &dev.flags);
@@ -1288,7 +1288,7 @@
 		       & ~0x0001, dev.SMA + SMA_wCurrHostStatusFlags);
 	if (msnd_send_word(&dev, 0, 0, HDEXAR_CAL_A_TO_D) == 0 &&
 	    chk_send_dsp_cmd(&dev, HDEX_AUX_REQ) == 0) {
-		current->state = TASK_INTERRUPTIBLE;
+		__set_current_state(TASK_INTERRUPTIBLE);
 		schedule_timeout(HZ / 3);
 		return 0;
 	}
diff --git a/sound/oss/swarm_cs4297a.c b/sound/oss/swarm_cs4297a.c
index a33e8ce..213a416 100644
--- a/sound/oss/swarm_cs4297a.c
+++ b/sound/oss/swarm_cs4297a.c
@@ -1654,7 +1654,7 @@
         s->dma_dac.hwptr = s->dma_dac.swptr = hwptr;
         spin_unlock_irqrestore(&s->lock, flags);
 	remove_wait_queue(&s->dma_dac.wait, &wait);
-	current->state = TASK_RUNNING;
+	__set_current_state(TASK_RUNNING);
 	return 0;
 }