int cx2341x_ext_ctrls(struct cx2341x_mpeg_params *params,
struct v4l2_ext_controls *ctrls, unsigned int cmd)
{
int err = 0;
int i;
if (cmd == VIDIOC_G_EXT_CTRLS) {
for (i = 0; i < ctrls->count; i++) {
struct v4l2_ext_control *ctrl = ctrls->controls + i;
err = cx2341x_get_ctrl(params, ctrl);
if (err) {
ctrls->error_idx = i;
break;
}
}
return err;
}
for (i = 0; i < ctrls->count; i++) {
struct v4l2_ext_control *ctrl = ctrls->controls + i;
struct v4l2_queryctrl qctrl;
const char **menu_items = NULL;
qctrl.id = ctrl->id;
err = cx2341x_ctrl_query(params, &qctrl);
if (err)
break;
if (qctrl.type == V4L2_CTRL_TYPE_MENU)
menu_items = cx2341x_ctrl_get_menu(qctrl.id);
err = v4l2_ctrl_check(ctrl, &qctrl, menu_items);
if (err)
break;
err = cx2341x_set_ctrl(params, ctrl);
if (err)
break;
}
if (err == 0 && params->video_bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR &&
params->video_bitrate_peak < params->video_bitrate) {
err = -ERANGE;
ctrls->error_idx = ctrls->count;
}
if (err) {
ctrls->error_idx = i;
}
else {
cx2341x_calc_audio_properties(params);
}
return err;
}
int cx18_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *qctrl)
{
struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
const char *name;
qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
if (qctrl->id == 0)
return -EINVAL;
switch (qctrl->id) {
/* Standard V4L2 controls */
case V4L2_CID_USER_CLASS:
return v4l2_ctrl_query_fill(qctrl, 0, 0, 0, 0);
case V4L2_CID_BRIGHTNESS:
case V4L2_CID_HUE:
case V4L2_CID_SATURATION:
case V4L2_CID_CONTRAST:
if (v4l2_subdev_call(cx->sd_av, core, queryctrl, qctrl))
qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
return 0;
case V4L2_CID_AUDIO_VOLUME:
case V4L2_CID_AUDIO_MUTE:
case V4L2_CID_AUDIO_BALANCE:
case V4L2_CID_AUDIO_BASS:
case V4L2_CID_AUDIO_TREBLE:
case V4L2_CID_AUDIO_LOUDNESS:
if (v4l2_subdev_call(cx->sd_av, core, queryctrl, qctrl))
qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
return 0;
default:
if (cx2341x_ctrl_query(&cx->params, qctrl))
qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
return 0;
}
strncpy(qctrl->name, name, sizeof(qctrl->name) - 1);
qctrl->name[sizeof(qctrl->name) - 1] = 0;
return 0;
}
int ivtv_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *qctrl)
{
struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
const char *name;
qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
if (qctrl->id == 0)
return -EINVAL;
switch (qctrl->id) {
/* Standard V4L2 controls */
case V4L2_CID_BRIGHTNESS:
case V4L2_CID_HUE:
case V4L2_CID_SATURATION:
case V4L2_CID_CONTRAST:
if (itv->video_dec_func(itv, VIDIOC_QUERYCTRL, qctrl))
qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
return 0;
case V4L2_CID_AUDIO_VOLUME:
case V4L2_CID_AUDIO_MUTE:
case V4L2_CID_AUDIO_BALANCE:
case V4L2_CID_AUDIO_BASS:
case V4L2_CID_AUDIO_TREBLE:
case V4L2_CID_AUDIO_LOUDNESS:
if (ivtv_i2c_hw(itv, itv->card->hw_audio_ctrl, VIDIOC_QUERYCTRL, qctrl))
qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
return 0;
default:
if (cx2341x_ctrl_query(&itv->params, qctrl))
qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
return 0;
}
strncpy(qctrl->name, name, sizeof(qctrl->name) - 1);
qctrl->name[sizeof(qctrl->name) - 1] = 0;
return 0;
}
