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>

1 files changed, 2 insertions, 0 deletions

diff --git a/sound/core/Makefile b/sound/core/Makefile
index d57125a5687d..4229052e7b91 100644
--- a/sound/core/Makefile
+++ b/sound/core/Makefile
@@ -17,12 +17,14 @@ snd-page-alloc-$(CONFIG_HAS_DMA) += sgbuf.o
 
 snd-rawmidi-objs  := rawmidi.o
 snd-timer-objs    := timer.o
+snd-hrtimer-objs  := hrtimer.o
 snd-rtctimer-objs := rtctimer.o
 snd-hwdep-objs    := hwdep.o
 
 obj-$(CONFIG_SND)               += snd.o
 obj-$(CONFIG_SND_HWDEP)         += snd-hwdep.o
 obj-$(CONFIG_SND_TIMER)         += snd-timer.o
+obj-$(CONFIG_SND_HRTIMER)       += snd-hrtimer.o
 obj-$(CONFIG_SND_RTCTIMER)      += snd-rtctimer.o
 obj-$(CONFIG_SND_PCM)           += snd-pcm.o snd-page-alloc.o
 obj-$(CONFIG_SND_RAWMIDI)       += snd-rawmidi.o