HPI_CONTROL_VOLUME 2657 sound/pci/asihpi/asihpi.c case HPI_CONTROL_VOLUME: HPI_CONTROL_VOLUME 342 sound/pci/asihpi/hpicmn.c case HPI_CONTROL_VOLUME: HPI_CONTROL_VOLUME 557 sound/pci/asihpi/hpicmn.c case HPI_CONTROL_VOLUME: