USBVISION_AUDIO_MUTE 2183 drivers/media/usb/usbvision/usbvision-core.c if (usbvision_write_reg(usbvision, USBVISION_IOPIN_REG, USBVISION_AUDIO_MUTE) < 0) { USBVISION_AUDIO_MUTE 2188 drivers/media/usb/usbvision/usbvision-core.c usbvision->audio_channel = USBVISION_AUDIO_MUTE;