- case VIDIOC_QUERYCTRL:
- {
- struct v4l2_queryctrl *qc = arg;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
- if (qc->id && qc->id == radio_qctrl[i].id) {
- memcpy(qc, &(radio_qctrl[i]),
- sizeof(*qc));
- return (0);
- }
- }
- return -EINVAL;
- }
- case VIDIOC_G_CTRL:
- {
- struct v4l2_control *ctrl= arg;
-
- switch (ctrl->id) {
- case V4L2_CID_AUDIO_MUTE:
- ctrl->value=curmute;
- return (0);
- case V4L2_CID_AUDIO_VOLUME:
- ctrl->value= curvol * 2048;
- return (0);
- case V4L2_CID_AUDIO_BASS:
- ctrl->value= curbass * 4370;
- return (0);
- case V4L2_CID_AUDIO_TREBLE:
- ctrl->value= curtreble * 4370;
- return (0);
- }
- return -EINVAL;
- }
- case VIDIOC_S_CTRL:
- {
- struct v4l2_control *ctrl= arg;
-
- switch (ctrl->id) {
- case V4L2_CID_AUDIO_MUTE:
- tr_setmute(ctrl->value);
- return 0;
- case V4L2_CID_AUDIO_VOLUME:
- tr_setvol(ctrl->value);
- return 0;
- case V4L2_CID_AUDIO_BASS:
- tr_setbass(ctrl->value);
- return 0;
- case V4L2_CID_AUDIO_TREBLE:
- tr_settreble(ctrl->value);
- return (0);
- }
- return -EINVAL;
- }
+ }
+ return -EINVAL;
+}
+
+static int vidioc_g_ctrl(struct file *file, void *priv,
+ struct v4l2_control *ctrl)
+{
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ ctrl->value = curmute;
+ return 0;
+ case V4L2_CID_AUDIO_VOLUME:
+ ctrl->value = curvol * 2048;
+ return 0;
+ case V4L2_CID_AUDIO_BASS:
+ ctrl->value = curbass * 4370;
+ return 0;
+ case V4L2_CID_AUDIO_TREBLE:
+ ctrl->value = curtreble * 4370;
+ return 0;
+ }
+ return -EINVAL;
+}