tag	line	file	source code
SOUND_PCM_WRITE_CHANNELS	418	drivers/sound/soundcard.h	#define SOUND_PCM_WRITE_CHANNELS  _IOWR('P', 6, int)
SOUND_PCM_WRITE_CHANNELS	1155	drivers/sound/soundcard.h	#define SOUND_PCM_WRITE_CHANNELS  _IOWR('P', 6, int)