USBVISION_IOPIN_REG 1598 drivers/media/usb/usbvision/usbvision-core.c usbvision_write_reg(usbvision, USBVISION_IOPIN_REG, 0); USBVISION_IOPIN_REG 1600 drivers/media/usb/usbvision/usbvision-core.c usbvision_write_reg(usbvision, USBVISION_IOPIN_REG, USBVISION_IO_2); USBVISION_IOPIN_REG 2183 drivers/media/usb/usbvision/usbvision-core.c if (usbvision_write_reg(usbvision, USBVISION_IOPIN_REG, USBVISION_AUDIO_MUTE) < 0) { USBVISION_IOPIN_REG 2195 drivers/media/usb/usbvision/usbvision-core.c if (usbvision_write_reg(usbvision, USBVISION_IOPIN_REG, audio_channel) < 0) {