[ALSA] ad1848_lib: waiting loops done after cs4231_lib

This patch fixes ad1848_lib waiting loops to be the same as in the cs4231_lib.
Acked-by: Rene Herman <rene.herman@gmail.com>
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

diff --git a/sound/isa/ad1848/ad1848_lib.c b/sound/isa/ad1848/ad1848_lib.c
index eee941be3b74e6e97ab095e0df16de027236e470..330b5ced01aad6ba467ab2ab7432c479e0ac259f 100644 (file)
--- a/sound/isa/ad1848/ad1848_lib.c
+++ b/sound/isa/ad1848/ad1848_lib.c
@@ -205,7 +205,7 @@ static void snd_ad1848_mce_down(struct snd_ad1848 *chip)
 {
        unsigned long flags;
        int timeout;
-       signed long time;
+       unsigned long end_time;
 
        spin_lock_irqsave(&chip->reg_lock, flags);
        for (timeout = 5; timeout > 0; timeout--)
@@ -240,27 +240,27 @@ static void snd_ad1848_mce_down(struct snd_ad1848 *chip)
 
        snd_printdd("(2) jiffies = %lu\n", jiffies);
 
-       time = msecs_to_jiffies(250);
+       end_time = jiffies + msecs_to_jiffies(250);
        while (snd_ad1848_in(chip, AD1848_TEST_INIT) & AD1848_CALIB_IN_PROGRESS) {
                spin_unlock_irqrestore(&chip->reg_lock, flags);
-               if (time <= 0) {
+               if (time_after(jiffies, end_time)) {
                        snd_printk(KERN_ERR "mce_down - auto calibration time out (2)\n");
                        return;
                }
-               time = schedule_timeout(time);
+               msleep(1);
                spin_lock_irqsave(&chip->reg_lock, flags);
        }
 
        snd_printdd("(3) jiffies = %lu\n", jiffies);
 
-       time = msecs_to_jiffies(100);
+       end_time = jiffies + msecs_to_jiffies(100);
        while (inb(AD1848P(chip, REGSEL)) & AD1848_INIT) {
                spin_unlock_irqrestore(&chip->reg_lock, flags);
-               if (time <= 0) {
+               if (time_after(jiffies, end_time)) {
                        snd_printk(KERN_ERR "mce_down - auto calibration time out (3)\n");
                        return;
                }
-               time = schedule_timeout(time);
+               msleep(1);
                spin_lock_irqsave(&chip->reg_lock, flags);
        }
        spin_unlock_irqrestore(&chip->reg_lock, flags);