diff options
| author | Takashi Iwai <tiwai@suse.de> | 2007-09-11 12:12:14 +0400 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2007-10-16 18:52:12 +0400 |
| commit | b875d650527e1980cc88b2731ac4c209d2e4a0ca (patch) | |
| tree | 6625ab415821399bd031122fff59fb0e526e9d68 /sound/sparc | |
| parent | 56f91585b48bb3ca8ec38b84c92d3df2a2f2bf66 (diff) | |
| download | linux-b875d650527e1980cc88b2731ac4c209d2e4a0ca.tar.xz | |
[ALSA] Fix thinko in cs4231 mce down check
The last patches to replace with schedule_timeout() don't work as expected.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/sparc')
| -rw-r--r-- | sound/sparc/cs4231.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/sound/sparc/cs4231.c b/sound/sparc/cs4231.c index ab39860e2404..9785382a5f39 100644 --- a/sound/sparc/cs4231.c +++ b/sound/sparc/cs4231.c @@ -401,6 +401,7 @@ static void snd_cs4231_mce_up(struct snd_cs4231 *chip) static void snd_cs4231_mce_down(struct snd_cs4231 *chip) { unsigned long flags; + unsigned long end_time; int timeout; spin_lock_irqsave(&chip->lock, flags); @@ -431,30 +432,30 @@ static void snd_cs4231_mce_down(struct snd_cs4231 *chip) msleep(1); /* check condition up to 250ms */ - timeout = msecs_to_jiffies(250); + end_time = jiffies + msecs_to_jiffies(250); while (snd_cs4231_in(chip, CS4231_TEST_INIT) & CS4231_CALIB_IN_PROGRESS) { spin_unlock_irqrestore(&chip->lock, flags); - if (timeout <= 0) { + if (time_after(jiffies, end_time)) { snd_printk("mce_down - " "auto calibration time out (2)\n"); return; } - timeout = schedule_timeout(timeout); + msleep(1); spin_lock_irqsave(&chip->lock, flags); } /* check condition up to 100ms */ - timeout = msecs_to_jiffies(100); + end_time = jiffies + msecs_to_jiffies(100); while (__cs4231_readb(chip, CS4231U(chip, REGSEL)) & CS4231_INIT) { spin_unlock_irqrestore(&chip->lock, flags); - if (timeout <= 0) { + if (time_after(jiffies, end_time)) { snd_printk("mce_down - " "auto calibration time out (3)\n"); return; } - timeout = schedule_timeout(timeout); + msleep(1); spin_lock_irqsave(&chip->lock, flags); } spin_unlock_irqrestore(&chip->lock, flags); |