HR-timer backend support

modulename: snd-hrtimer.ko

configname: CONFIG_SND_HRTIMER

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>HR-timer backend support
In linux kernel since version 2.6.29 (release Date: 2009-03-23)  
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.

source code:

depends
CONFIG_HIGH_RES_TIMERS
CONFIG_SND
CONFIG_SOUND
NOT CONFIG_M68K
NOT CONFIG_UML