cx231xx_tuner_pre_channel_change 1298 drivers/media/usb/cx231xx/cx231xx-video.c 	rc = cx231xx_tuner_pre_channel_change(dev);
cx231xx_tuner_pre_channel_change  810 drivers/media/usb/cx231xx/cx231xx.h int cx231xx_tuner_pre_channel_change(struct cx231xx *dev);