-static int saa717x_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
-{
- struct saa717x_state *state = to_state(sd);
-
- switch (ctrl->id) {
- case V4L2_CID_BRIGHTNESS:
- if (ctrl->value < 0 || ctrl->value > 255) {
- v4l2_err(sd, "invalid brightness setting %d\n", ctrl->value);
- return -ERANGE;
- }
-
- state->bright = ctrl->value;
- v4l2_dbg(1, debug, sd, "bright:%d\n", state->bright);
- saa717x_write(sd, 0x10a, state->bright);
- break;
-
- case V4L2_CID_CONTRAST:
- if (ctrl->value < 0 || ctrl->value > 127) {
- v4l2_err(sd, "invalid contrast setting %d\n", ctrl->value);
- return -ERANGE;
- }
-
- state->contrast = ctrl->value;
- v4l2_dbg(1, debug, sd, "contrast:%d\n", state->contrast);
- saa717x_write(sd, 0x10b, state->contrast);
- break;
-
- case V4L2_CID_SATURATION:
- if (ctrl->value < 0 || ctrl->value > 127) {
- v4l2_err(sd, "invalid saturation setting %d\n", ctrl->value);
- return -ERANGE;
- }
-
- state->sat = ctrl->value;
- v4l2_dbg(1, debug, sd, "sat:%d\n", state->sat);
- saa717x_write(sd, 0x10c, state->sat);
- break;
-
- case V4L2_CID_HUE:
- if (ctrl->value < -128 || ctrl->value > 127) {
- v4l2_err(sd, "invalid hue setting %d\n", ctrl->value);
- return -ERANGE;
- }
-
- state->hue = ctrl->value;
- v4l2_dbg(1, debug, sd, "hue:%d\n", state->hue);
- saa717x_write(sd, 0x10d, state->hue);
- break;
-
- case V4L2_CID_AUDIO_MUTE:
- state->audio_main_mute = ctrl->value;
- set_audio_regs(sd, state);
- break;
-
- case V4L2_CID_AUDIO_VOLUME:
- state->audio_main_volume = ctrl->value;
- set_audio_regs(sd, state);
- break;
-
- case V4L2_CID_AUDIO_BALANCE:
- state->audio_main_balance = ctrl->value;
- set_audio_regs(sd, state);
- break;
-
- case V4L2_CID_AUDIO_TREBLE:
- state->audio_main_treble = ctrl->value;
- set_audio_regs(sd, state);
- break;
-
- case V4L2_CID_AUDIO_BASS:
- state->audio_main_bass = ctrl->value;
- set_audio_regs(sd, state);
- break;
-
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int saa717x_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)