CM_OPEN_PLAYBACK2 1707 sound/pci/cmipci.c 	if ((err = open_device_check(cm, CM_OPEN_PLAYBACK2, substream)) < 0) /* use channel B */
CM_OPEN_PLAYBACK2 1805 sound/pci/cmipci.c 	close_device_check(cm, CM_OPEN_PLAYBACK2);