[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, 2 insertions, 4 deletions

diff --git a/sound/isa/ad1848/ad1848_lib.c b/sound/isa/ad1848/ad1848_lib.c
index 744b65a35c9c..891bacc94f68 100644
--- a/sound/isa/ad1848/ad1848_lib.c
+++ b/sound/isa/ad1848/ad1848_lib.c
@@ -243,8 +243,7 @@ static void snd_ad1848_mce_down(ad1848_t *chip)
                         snd_printk(KERN_ERR "mce_down - auto calibration time out (2)\n");
                         return;
                 }
-                set_current_state(TASK_INTERRUPTIBLE);
-                time = schedule_timeout(time);
+                time = schedule_timeout_interruptible(time);
                 spin_lock_irqsave(&chip->reg_lock, flags);
         }
 #if 0
@@ -257,8 +256,7 @@ static void snd_ad1848_mce_down(ad1848_t *chip)
                         snd_printk(KERN_ERR "mce_down - auto calibration time out (3)\n");
                         return;
                 }
-                set_current_state(TASK_INTERRUPTIBLE);
-                time = schedule_timeout(time);
+                time = schedule_timeout_interruptible(time);
                 spin_lock_irqsave(&chip->reg_lock, flags);
         }
         spin_unlock_irqrestore(&chip->reg_lock, flags);