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authorTakashi Iwai <tiwai@suse.de>2009-06-08 10:21:07 +0200
committerTakashi Iwai <tiwai@suse.de>2009-06-08 12:38:54 +0200
commit54de6bc8b2437f642844cecb8d183df2368ffceb (patch)
tree6b984265d3da7ba6d11d7fb53a7e84b8d3485e1d /sound/pci/ctxfi/cthardware.h
parent28cd4aa43de2b6d3b1e3385d450bfb31cbe8d72a (diff)
ALSA: ctxfi - Optimize the native timer handling using wc counter
Optimize the timer update routine to look up wall clock once instead of checking the position of each stream at each timer update. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/ctxfi/cthardware.h')
-rw-r--r--sound/pci/ctxfi/cthardware.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/pci/ctxfi/cthardware.h b/sound/pci/ctxfi/cthardware.h
index 35350cf9d2f..8f11644ddc9 100644
--- a/sound/pci/ctxfi/cthardware.h
+++ b/sound/pci/ctxfi/cthardware.h
@@ -147,6 +147,7 @@ struct hw {
int (*set_timer_irq)(struct hw *hw, int enable);
int (*set_timer_tick)(struct hw *hw, unsigned int tick);
+ unsigned int (*get_wc)(struct hw *hw);
void (*irq_callback)(void *data, unsigned int bit);
void *irq_callback_data;