[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>

3 files changed, 5 insertions, 10 deletions

diff --git a/sound/isa/sb/emu8000.c b/sound/isa/sb/emu8000.c
index 95540f133199..b09c6575e01a 100644
--- a/sound/isa/sb/emu8000.c
+++ b/sound/isa/sb/emu8000.c
@@ -135,8 +135,7 @@ static void __init
 snd_emu8000_read_wait(emu8000_t *emu)
 {
         while ((EMU8000_SMALR_READ(emu) & 0x80000000) != 0) {
-                set_current_state(TASK_INTERRUPTIBLE);
-                schedule_timeout(1);
+                schedule_timeout_interruptible(1);
                 if (signal_pending(current))
                         break;
         }
@@ -148,8 +147,7 @@ static void __init
 snd_emu8000_write_wait(emu8000_t *emu)
 {
         while ((EMU8000_SMALW_READ(emu) & 0x80000000) != 0) {
-                set_current_state(TASK_INTERRUPTIBLE);
-                schedule_timeout(1);
+                schedule_timeout_interruptible(1);
                 if (signal_pending(current))
                         break;
         }
@@ -437,8 +435,7 @@ size_dram(emu8000_t *emu)
         for (i = 0; i < 10000; i++) {
                 if ((EMU8000_SMALW_READ(emu) & 0x80000000) == 0)
                         break;
-                set_current_state(TASK_INTERRUPTIBLE);
-                schedule_timeout(1);
+                schedule_timeout_interruptible(1);
                 if (signal_pending(current))
                         break;
         }
diff --git a/sound/isa/sb/emu8000_patch.c b/sound/isa/sb/emu8000_patch.c
index 26e693078cb3..2fea67e71c78 100644
--- a/sound/isa/sb/emu8000_patch.c
+++ b/sound/isa/sb/emu8000_patch.c
@@ -109,8 +109,7 @@ static void
 snd_emu8000_write_wait(emu8000_t *emu)
 {
         while ((EMU8000_SMALW_READ(emu) & 0x80000000) != 0) {
-                set_current_state(TASK_INTERRUPTIBLE);
-                schedule_timeout(1);
+                schedule_timeout_interruptible(1);
                 if (signal_pending(current))
                         break;
         }
diff --git a/sound/isa/sb/emu8000_pcm.c b/sound/isa/sb/emu8000_pcm.c
index 0209790dc4b5..b323beeeda15 100644
--- a/sound/isa/sb/emu8000_pcm.c
+++ b/sound/isa/sb/emu8000_pcm.c
@@ -117,8 +117,7 @@ snd_emu8000_write_wait(emu8000_t *emu, int can_schedule)
 {
         while ((EMU8000_SMALW_READ(emu) & 0x80000000) != 0) {
                 if (can_schedule) {
-                        set_current_state(TASK_INTERRUPTIBLE);
-                        schedule_timeout(1);
+                        schedule_timeout_interruptible(1);
                         if (signal_pending(current))
                                 break;
                 }