[ALSA] Fix thinko in cs4231 mce down check

[pandora-kernel.git] / sound / isa / cs423x / cs4231_lib.c

diff --git a/sound/isa/cs423x/cs4231_lib.c b/sound/isa/cs423x/cs4231_lib.c
index 72cf771..a5eb965 100644 (file)
--- 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);