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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-11 09:19:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-11 09:19:35 -0700
commita9c86d42599519f3d83b5f46bdab25046fe47b84 (patch)
tree9b269e3162e5cc0c1a8dfc3349303c902718a9a9 /sound/pci/ymfpci/ymfpci_main.c
parenta12e4d304ce701844c639541d90df86e165d03f9 (diff)
parent1110afbe728838ac7ce973c37af9e11385dbaef9 (diff)
downloadop-kernel-dev-a9c86d42599519f3d83b5f46bdab25046fe47b84.zip
op-kernel-dev-a9c86d42599519f3d83b5f46bdab25046fe47b84.tar.gz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (377 commits) ASoC: au1x: PSC-AC97 bugfixes ALSA: dummy - Increase MAX_PCM_SUBSTREAMS to 128 ALSA: dummy - Add debug proc file ALSA: Add const prefix to proc helper functions ALSA: Re-export snd_pcm_format_name() function ALSA: hda - Use auto model for HP laptops with ALC268 codec ALSA: cs46xx - Fix minimum period size ASoC: Fix WM835x Out4 capture enumeration ALSA: Remove unneeded ifdef from sound/core.h ALSA: Remove struct snd_monitor_file from public sound/core.h ASoC: Remove unuused hw_read_t sound: oxygen: work around MCE when changing volume ALSA: dummy - Fake buffer allocations ALSA: hda/realtek: Added support for CLEVO M540R subsystem, 6 channel + digital ASoC: fix pxa2xx-ac97.c breakage ALSA: dummy - Fix the timer calculation in systimer mode ALSA: dummy - Add more description ALSA: dummy - Better jiffies handling ALSA: dummy - Support high-res timer mode ALSA: Release v1.0.21 ...
Diffstat (limited to 'sound/pci/ymfpci/ymfpci_main.c')
-rw-r--r--sound/pci/ymfpci/ymfpci_main.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c
index 2f09252..5518371 100644
--- a/sound/pci/ymfpci/ymfpci_main.c
+++ b/sound/pci/ymfpci/ymfpci_main.c
@@ -834,7 +834,7 @@ static irqreturn_t snd_ymfpci_interrupt(int irq, void *dev_id)
status = snd_ymfpci_readw(chip, YDSXGR_INTFLAG);
if (status & 1) {
if (chip->timer)
- snd_timer_interrupt(chip->timer, chip->timer->sticks);
+ snd_timer_interrupt(chip->timer, chip->timer_ticks);
}
snd_ymfpci_writew(chip, YDSXGR_INTFLAG, status);
@@ -1885,8 +1885,18 @@ static int snd_ymfpci_timer_start(struct snd_timer *timer)
unsigned int count;
chip = snd_timer_chip(timer);
- count = (timer->sticks << 1) - 1;
spin_lock_irqsave(&chip->reg_lock, flags);
+ if (timer->sticks > 1) {
+ chip->timer_ticks = timer->sticks;
+ count = timer->sticks - 1;
+ } else {
+ /*
+ * Divisor 1 is not allowed; fake it by using divisor 2 and
+ * counting two ticks for each interrupt.
+ */
+ chip->timer_ticks = 2;
+ count = 2 - 1;
+ }
snd_ymfpci_writew(chip, YDSXGR_TIMERCOUNT, count);
snd_ymfpci_writeb(chip, YDSXGR_TIMERCTRL, 0x03);
spin_unlock_irqrestore(&chip->reg_lock, flags);
@@ -1909,14 +1919,14 @@ static int snd_ymfpci_timer_precise_resolution(struct snd_timer *timer,
unsigned long *num, unsigned long *den)
{
*num = 1;
- *den = 48000;
+ *den = 96000;
return 0;
}
static struct snd_timer_hardware snd_ymfpci_timer_hw = {
.flags = SNDRV_TIMER_HW_AUTO,
- .resolution = 20833, /* 1/fs = 20.8333...us */
- .ticks = 0x8000,
+ .resolution = 10417, /* 1 / 96 kHz = 10.41666...us */
+ .ticks = 0x10000,
.start = snd_ymfpci_timer_start,
.stop = snd_ymfpci_timer_stop,
.precise_resolution = snd_ymfpci_timer_precise_resolution,
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