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authorTakashi Iwai <tiwai@suse.de>2007-09-11 10:12:14 +0200
committerJaroslav Kysela <perex@perex.cz>2007-10-16 16:52:12 +0200
commitb875d650527e1980cc88b2731ac4c209d2e4a0ca (patch)
tree6625ab415821399bd031122fff59fb0e526e9d68 /sound
parent56f91585b48bb3ca8ec38b84c92d3df2a2f2bf66 (diff)
downloadlinux-b875d650527e1980cc88b2731ac4c209d2e4a0ca.tar.gz
[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')
-rw-r--r--sound/isa/cs423x/cs4231_lib.c13
-rw-r--r--sound/sparc/cs4231.c13
2 files changed, 14 insertions, 12 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);
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);