[ALSA] Fix schedule_timeout usage

Use schedule_timeout_{,un}interruptible() instead of
set_current_state()/schedule_timeout() to reduce kernel size.  Also use
human-time conversion functions instead of hard-coded division to avoid
rounding issues.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 1 insertions, 2 deletions

diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index fce6ad62df6c..8818918c4237 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -838,8 +838,7 @@ static int wait_clear_urbs(snd_usb_substream_t *subs)
                 }
                 if (! alive)
                         break;
-                set_current_state(TASK_UNINTERRUPTIBLE);
-                schedule_timeout(1);
+                schedule_timeout_uninterruptible(1);
         } while (time_before(jiffies, end_time));
         if (alive)
                 snd_printk(KERN_ERR "timeout: still %d active urbs..\n", alive);