375 	int ch;  in tw2815_setup()  local
471 	for (ch = 0; ch < 4; ch++) {  in tw2815_setup()
473 		switch (ch) {  in tw2815_setup()
492 					   dev_addr, (ch * 0x10) + i,  in tw2815_setup()
649 int tw28_get_video_status(struct solo_dev *solo_dev, u8 ch)  in tw28_get_video_status()  argument
654 	chip_num = ch / 4;  in tw28_get_video_status()
655 	ch %= 4;  in tw28_get_video_status()
660 	return val & (1 << ch) ? 1 : 0;  in tw28_get_video_status()
682 bool tw28_has_sharpness(struct solo_dev *solo_dev, u8 ch)  in tw28_has_sharpness()  argument
684 	return is_tw286x(solo_dev, ch / 4);  in tw28_has_sharpness()
687 int tw28_set_ctrl_val(struct solo_dev *solo_dev, u32 ctrl, u8 ch,  in tw28_set_ctrl_val()  argument
694 	chip_num = ch / 4;  in tw28_set_ctrl_val()
695 	ch %= 4;  in tw28_set_ctrl_val()
722 		tw_writebyte(solo_dev, chip_num, TW286x_HUE_ADDR(ch),  in tw28_set_ctrl_val()
723 			     TW_HUE_ADDR(ch), sval);  in tw28_set_ctrl_val()
732 					   TW286x_SATURATIONU_ADDR(ch), val);  in tw28_set_ctrl_val()
734 		tw_writebyte(solo_dev, chip_num, TW286x_SATURATIONV_ADDR(ch),  in tw28_set_ctrl_val()
735 			     TW_SATURATION_ADDR(ch), val);  in tw28_set_ctrl_val()
740 		tw_writebyte(solo_dev, chip_num, TW286x_CONTRAST_ADDR(ch),  in tw28_set_ctrl_val()
741 			     TW_CONTRAST_ADDR(ch), val);  in tw28_set_ctrl_val()
749 		tw_writebyte(solo_dev, chip_num, TW286x_BRIGHTNESS_ADDR(ch),  in tw28_set_ctrl_val()
750 			     TW_BRIGHTNESS_ADDR(ch), sval);  in tw28_set_ctrl_val()
760 int tw28_get_ctrl_val(struct solo_dev *solo_dev, u32 ctrl, u8 ch,  in tw28_get_ctrl_val()  argument
766 	chip_num = ch / 4;  in tw28_get_ctrl_val()
767 	ch %= 4;  in tw28_get_ctrl_val()
781 		rval = tw_readbyte(solo_dev, chip_num, TW286x_HUE_ADDR(ch),  in tw28_get_ctrl_val()
782 				   TW_HUE_ADDR(ch));  in tw28_get_ctrl_val()
790 				   TW286x_SATURATIONU_ADDR(ch),  in tw28_get_ctrl_val()
791 				   TW_SATURATION_ADDR(ch));  in tw28_get_ctrl_val()
795 				   TW286x_CONTRAST_ADDR(ch),  in tw28_get_ctrl_val()
796 				   TW_CONTRAST_ADDR(ch));  in tw28_get_ctrl_val()
800 				   TW286x_BRIGHTNESS_ADDR(ch),  in tw28_get_ctrl_val()
801 				   TW_BRIGHTNESS_ADDR(ch));  in tw28_get_ctrl_val()
837 u8 tw28_get_audio_gain(struct solo_dev *solo_dev, u8 ch)  in tw28_get_audio_gain()  argument
843 	chip_num = ch / 4;  in tw28_get_audio_gain()
844 	ch %= 4;  in tw28_get_audio_gain()
847 			  TW286x_AUDIO_INPUT_GAIN_ADDR(ch),  in tw28_get_audio_gain()
848 			  TW_AUDIO_INPUT_GAIN_ADDR(ch));  in tw28_get_audio_gain()
850 	return (ch % 2) ? (val >> 4) : (val & 0x0f);  in tw28_get_audio_gain()
853 void tw28_set_audio_gain(struct solo_dev *solo_dev, u8 ch, u8 val)  in tw28_set_audio_gain()  argument
859 	chip_num = ch / 4;  in tw28_set_audio_gain()
860 	ch %= 4;  in tw28_set_audio_gain()
863 			      TW286x_AUDIO_INPUT_GAIN_ADDR(ch),  in tw28_set_audio_gain()
864 			      TW_AUDIO_INPUT_GAIN_ADDR(ch));  in tw28_set_audio_gain()
866 	val = (old_val & ((ch % 2) ? 0x0f : 0xf0)) |  in tw28_set_audio_gain()
867 		((ch % 2) ? (val << 4) : val);  in tw28_set_audio_gain()
869 	tw_writebyte(solo_dev, chip_num, TW286x_AUDIO_INPUT_GAIN_ADDR(ch),  in tw28_set_audio_gain()
870 		     TW_AUDIO_INPUT_GAIN_ADDR(ch), val);  in tw28_set_audio_gain()