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| author |   Takashi Iwai <tiwai@suse.de> | 2007-09-11 10:12:14 +0200 |
|---|---|---|
| committer |   Jaroslav Kysela <perex@perex.cz> | 2007-10-16 16:52:12 +0200 |
| commit | b875d650527e1980cc88b2731ac4c209d2e4a0ca (patch) | |
| tree | 6625ab415821399bd031122fff59fb0e526e9d68 /sound/isa | |
| parent | [ALSA] sun-cs4231: improved waiting after MCE down (diff) | |
| download | linux-dev-b875d650527e1980cc88b2731ac4c209d2e4a0ca.tar.xz linux-dev-b875d650527e1980cc88b2731ac4c209d2e4a0ca.zip | |
[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/isa')
| -rw-r--r-- | sound/isa/cs423x/cs4231_lib.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/sound/isa/cs423x/cs4231_lib.c b/sound/isa/cs423x/cs4231_lib.c index 72cf77159083..a5eb9659b519 100644 --- a/sound/isa/cs423x/cs4231_lib.c +++ b/sound/isa/cs423x/cs4231_lib.c @@ -313,6 +313,7 @@ void snd_cs4231_mce_up(struct snd_cs4231 *chip) void snd_cs4231_mce_down(struct snd_cs4231 *chip) { unsigned long flags; + unsigned long end_time; int timeout; snd_cs4231_busy_wait(chip); @@ -344,28 +345,28 @@ void snd_cs4231_mce_down(struct snd_cs4231 *chip) snd_printdd("(1) jiffies = %lu\n", jiffies); /* check condition up to 250 ms */ - timeout = msecs_to_jiffies(250); + end_time = jiffies + msecs_to_jiffies(250); while (snd_cs4231_in(chip, CS4231_TEST_INIT) & CS4231_CALIB_IN_PROGRESS) { - if (timeout <= 0) { + if (time_after(jiffies, end_time)) { snd_printk(KERN_ERR "mce_down - " "auto calibration time out (2)\n"); return; } - timeout = schedule_timeout(timeout); + msleep(1); } snd_printdd("(2) jiffies = %lu\n", jiffies); /* check condition up to 100 ms */ - timeout = msecs_to_jiffies(100); + end_time = jiffies + msecs_to_jiffies(100); while (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) { - if (timeout <= 0) { + if (time_after(jiffies, end_time)) { snd_printk(KERN_ERR "mce_down - auto calibration time out (3)\n"); return; } - timeout = schedule_timeout(timeout); + msleep(1); } snd_printdd("(3) jiffies = %lu\n", jiffies); |