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authorLinus Torvalds <torvalds@linux-foundation.org>2010-03-01 08:58:44 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-01 08:58:44 -0800
commit524df55725217b13d5a232fb5badb5846418ea0e (patch)
treec041613577ac7e68737cfd8af16a37d1ed37e6af /sound/core/seq/seq_timer.c
parent0f4533979473a456a8adb3869365e12c7a99cf65 (diff)
parent6679ee1870f7ccdd48e2e5c57919240b8f19a6dc (diff)
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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: (252 commits) ASoC: Check progress when reporting periods from i.MX FIQ handler ASoC: Remove a unused variables from i.MX FIQ runtime data ALSA: hda - Add/fix ALC269 FSC and Quanta models ALSA: hda - Add ALC670 codec support OMAP4: PMIC: Add support for twl6030 codec ALSA: hda - remove unnecessary msleep on power state transitions usb/gadget/{f_audio,gmidi}.c: follow recent changes in audio.h ASoC: fsi: Modify over/under run error settlement ASoC: OMAP4: Add McPDM platform driver ASoC: OMAP4: Add support for McPDM ASoC: OMAP: data_type and sync_mode configurable in audio dma ALSA: hda - Add missing description in HD-Audio-Models.txt ALSA: add support for Macbook Air 2,1 internal speaker ALSA: usbaudio: consolidate header files ALSA: usbmixer: bail out early when parsing audio class v2 descriptors ALSA: usbaudio: implement basic set of class v2.0 parser ALSA: usbaudio: introduce new types for audio class v2 ALSA: usbaudio: parse USB descriptors with structs ALSA: hda - enable snoop for Intel Cougar Point ALSA: hda - Remove identical definitions for macmini3 model ...
Diffstat (limited to 'sound/core/seq/seq_timer.c')
-rw-r--r--sound/core/seq/seq_timer.c27
1 files changed, 13 insertions, 14 deletions
diff --git a/sound/core/seq/seq_timer.c b/sound/core/seq/seq_timer.c
index f745c317d6af..160b1bd0cd62 100644
--- a/sound/core/seq/seq_timer.c
+++ b/sound/core/seq/seq_timer.c
@@ -33,22 +33,21 @@
#define SKEW_BASE 0x10000 /* 16bit shift */
-static void snd_seq_timer_set_tick_resolution(struct snd_seq_timer_tick *tick,
- int tempo, int ppq)
+static void snd_seq_timer_set_tick_resolution(struct snd_seq_timer *tmr)
{
- if (tempo < 1000000)
- tick->resolution = (tempo * 1000) / ppq;
+ if (tmr->tempo < 1000000)
+ tmr->tick.resolution = (tmr->tempo * 1000) / tmr->ppq;
else {
/* might overflow.. */
unsigned int s;
- s = tempo % ppq;
- s = (s * 1000) / ppq;
- tick->resolution = (tempo / ppq) * 1000;
- tick->resolution += s;
+ s = tmr->tempo % tmr->ppq;
+ s = (s * 1000) / tmr->ppq;
+ tmr->tick.resolution = (tmr->tempo / tmr->ppq) * 1000;
+ tmr->tick.resolution += s;
}
- if (tick->resolution <= 0)
- tick->resolution = 1;
- snd_seq_timer_update_tick(tick, 0);
+ if (tmr->tick.resolution <= 0)
+ tmr->tick.resolution = 1;
+ snd_seq_timer_update_tick(&tmr->tick, 0);
}
/* create new timer (constructor) */
@@ -96,7 +95,7 @@ void snd_seq_timer_defaults(struct snd_seq_timer * tmr)
/* setup defaults */
tmr->ppq = 96; /* 96 PPQ */
tmr->tempo = 500000; /* 120 BPM */
- snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq);
+ snd_seq_timer_set_tick_resolution(tmr);
tmr->running = 0;
tmr->type = SNDRV_SEQ_TIMER_ALSA;
@@ -180,7 +179,7 @@ int snd_seq_timer_set_tempo(struct snd_seq_timer * tmr, int tempo)
spin_lock_irqsave(&tmr->lock, flags);
if ((unsigned int)tempo != tmr->tempo) {
tmr->tempo = tempo;
- snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq);
+ snd_seq_timer_set_tick_resolution(tmr);
}
spin_unlock_irqrestore(&tmr->lock, flags);
return 0;
@@ -205,7 +204,7 @@ int snd_seq_timer_set_ppq(struct snd_seq_timer * tmr, int ppq)
}
tmr->ppq = ppq;
- snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq);
+ snd_seq_timer_set_tick_resolution(tmr);
spin_unlock_irqrestore(&tmr->lock, flags);
return 0;
}