Commit b875d650 authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
Browse files

[ALSA] Fix thinko in cs4231 mce down check 



The last patches to replace with schedule_timeout() don't work as expected.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@suse.cz>
parent 56f91585

sound/isa/cs423x/cs4231_lib.c

+7 −6
Original line number Diff line number Diff line
@@ -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);

sound/sparc/cs4231.c

+7 −6
Original line number Diff line number Diff line
@@ -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);