diff options
Diffstat (limited to 'sound/pci/ac97/ac97_codec.c')
| -rw-r--r-- | sound/pci/ac97/ac97_codec.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c index 0677d41239a9..94cd989cff20 100644 --- a/sound/pci/ac97/ac97_codec.c +++ b/sound/pci/ac97/ac97_codec.c @@ -2227,6 +2227,7 @@ void snd_ac97_restore_iec958(ac97_t *ac97) void snd_ac97_resume(ac97_t *ac97) { int i; + unsigned long end_time; if (ac97->bus->ops->reset) { ac97->bus->ops->reset(ac97); @@ -2244,26 +2245,26 @@ void snd_ac97_resume(ac97_t *ac97) snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); if (ac97_is_audio(ac97)) { ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); - for (i = HZ/10; i >= 0; i--) { + end_time = jiffies + msecs_to_jiffies(100); + do { if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) break; set_current_state(TASK_UNINTERRUPTIBLE); schedule_timeout(1); - } + } while (time_after_eq(end_time, jiffies)); /* FIXME: extra delay */ ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000); - if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) { - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(HZ/4); - } + if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) + msleep(250); } else { - for (i = HZ/10; i >= 0; i--) { + end_time = jiffies + msecs_to_jiffies(100); + do { 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); - } + } while (time_after_eq(end_time, jiffies)); } __reset_ready: |