[ALSA] ymfpci: change timer resolution to 48 kHz
[linux-2.6.git] / sound / pci / ymfpci / ymfpci_main.c
index c0aaade..d27f3b5 100644 (file)
@@ -1851,9 +1851,7 @@ static int snd_ymfpci_timer_start(snd_timer_t *timer)
        unsigned int count;
 
        chip = snd_timer_chip(timer);
-       count = timer->sticks - 1;
-       if (count == 0) /* minimum time is 20.8 us */
-               count = 1;
+       count = (timer->sticks << 1) - 1;
        spin_lock_irqsave(&chip->reg_lock, flags);
        snd_ymfpci_writew(chip, YDSXGR_TIMERCOUNT, count);
        snd_ymfpci_writeb(chip, YDSXGR_TIMERCTRL, 0x03);
@@ -1877,14 +1875,14 @@ static int snd_ymfpci_timer_precise_resolution(snd_timer_t *timer,
                                               unsigned long *num, unsigned long *den)
 {
        *num = 1;
-       *den = 96000;
+       *den = 48000;
        return 0;
 }
 
 static struct _snd_timer_hardware snd_ymfpci_timer_hw = {
        .flags = SNDRV_TIMER_HW_AUTO,
-       .resolution = 10417, /* 1/2fs = 10.41666...us */
-       .ticks = 65536,
+       .resolution = 20833, /* 1/fs = 20.8333...us */
+       .ticks = 0x8000,
        .start = snd_ymfpci_timer_start,
        .stop = snd_ymfpci_timer_stop,
        .precise_resolution = snd_ymfpci_timer_precise_resolution,