EM28XX_R15_RGAIN  824 drivers/media/usb/em28xx/em28xx-dvb.c 		{EM28XX_R15_RGAIN,		0x20,	0xff,	0},
EM28XX_R15_RGAIN  204 drivers/media/usb/em28xx/em28xx-video.c 	em28xx_write_reg(dev, EM28XX_R15_RGAIN, 0x20);