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authorTakashi Iwai <tiwai@suse.de>2008-10-24 20:16:50 +0400
committerTakashi Iwai <tiwai@suse.de>2008-10-24 20:16:50 +0400
commitbbaf5e97337287479eb78dbc3822d9560bbfd2e2 (patch)
tree806b5e54038417d55ab2a28bfe4f5f63c4738c20 /sound/core/Kconfig
parent52948b3f7c481be2cd3a68d1db42dd6906bf853a (diff)
downloadlinux-bbaf5e97337287479eb78dbc3822d9560bbfd2e2.tar.xz
ALSA: Add hrtimer backend for ALSA timer interface
Added the hrtimer backend for ALSA timer interface. It can be used for the sequencer timer source. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core/Kconfig')
-rw-r--r--sound/core/Kconfig21
1 files changed, 21 insertions, 0 deletions
diff --git a/sound/core/Kconfig b/sound/core/Kconfig
index 66348c92f88d..406a45010985 100644
--- a/sound/core/Kconfig
+++ b/sound/core/Kconfig
@@ -95,6 +95,26 @@ config SND_SEQUENCER_OSS
this will be compiled as a module. The module will be called
snd-seq-oss.
+config SND_HRTIMER
+ tristate "HR-timer backend support"
+ depends on HIGH_RES_TIMERS
+ select SND_TIMER
+ help
+ Say Y here to enable HR-timer backend for ALSA timer. ALSA uses
+ the hrtimer as a precise timing source. The ALSA sequencer code
+ also can use this timing source.
+
+ To compile this driver as a module, choose M here: the module
+ will be called snd-hrtimer.
+
+config SND_SEQ_HRTIMER_DEFAULT
+ bool "Use HR-timer as default sequencer timer"
+ depends on SND_HRTIMER && SND_SEQUENCER
+ default y
+ help
+ Say Y here to use the HR-timer backend as the default sequencer
+ timer.
+
config SND_RTCTIMER
tristate "RTC Timer support"
depends on RTC
@@ -114,6 +134,7 @@ config SND_RTCTIMER
config SND_SEQ_RTCTIMER_DEFAULT
bool "Use RTC as default sequencer timer"
depends on SND_RTCTIMER && SND_SEQUENCER
+ dpeends on !SND_SEQ_HRTIMER_DEFAULT
default y
help
Say Y here to use the RTC timer as the default sequencer