[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, 5 insertions, 10 deletions

diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c
index bbc409ae7ee9..3b589104510b 100644
--- a/sound/pci/ac97/ac97_codec.c
+++ b/sound/pci/ac97/ac97_codec.c
@@ -1745,8 +1745,7 @@ static int ac97_reset_wait(ac97_t *ac97, int timeout, int with_modem)
                         if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
                                 return 0;
                 }
-                set_current_state(TASK_UNINTERRUPTIBLE);
-                schedule_timeout(1);
+                schedule_timeout_uninterruptible(1);
         } while (time_after_eq(end_time, jiffies));
         return -ENODEV;
 }
@@ -1992,8 +1991,7 @@ int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97)
                 do {
                         if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
                                 goto __ready_ok;
-                        set_current_state(TASK_UNINTERRUPTIBLE);
-                        schedule_timeout(1);
+                        schedule_timeout_uninterruptible(1);
                 } while (time_after_eq(end_time, jiffies));
                 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
         }
@@ -2025,8 +2023,7 @@ int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97)
                 do {
                         if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
                                 goto __ready_ok;
-                        set_current_state(TASK_UNINTERRUPTIBLE);
-                        schedule_timeout(1);
+                        schedule_timeout_uninterruptible(1);
                 } while (time_after_eq(end_time, jiffies));
                 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
         }
@@ -2260,8 +2257,7 @@ void snd_ac97_resume(ac97_t *ac97)
                 do {
                         if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
                                 break;
-                        set_current_state(TASK_UNINTERRUPTIBLE);
-                        schedule_timeout(1);
+                        schedule_timeout_uninterruptible(1);
                 } while (time_after_eq(end_time, jiffies));
                 /* FIXME: extra delay */
                 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
@@ -2273,8 +2269,7 @@ void snd_ac97_resume(ac97_t *ac97)
                         unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
                         if (val != 0xffff && (val & 1) != 0)
                                 break;
-                        set_current_state(TASK_UNINTERRUPTIBLE);
-                        schedule_timeout(1);
+                        schedule_timeout_uninterruptible(1);
                 } while (time_after_eq(end_time, jiffies));
         }
 __reset_ready: