tag	line	file	source code
SOUND_MASK_PCM	492	drivers/sound/soundcard.h	#define SOUND_MASK_PCM    (1 << SOUND_MIXER_PCM)
SOUND_MASK_PCM	1229	drivers/sound/soundcard.h	#define SOUND_MASK_PCM    (1 << SOUND_MIXER_PCM)