211 static int fm_g_volatile_ctrl(struct v4l2_ctrl *ctrl)  in fm_g_volatile_ctrl()  argument
213 	struct fmdev *fmdev = container_of(ctrl->handler,  in fm_g_volatile_ctrl()
216 	switch (ctrl->id) {  in fm_g_volatile_ctrl()
218 		ctrl->val = fm_tx_get_tune_cap_val(fmdev);  in fm_g_volatile_ctrl()
221 		fmwarn("%s: Unknown IOCTL: %d\n", __func__, ctrl->id);  in fm_g_volatile_ctrl()
228 static int fm_v4l2_s_ctrl(struct v4l2_ctrl *ctrl)  in fm_v4l2_s_ctrl()  argument
230 	struct fmdev *fmdev = container_of(ctrl->handler,  in fm_v4l2_s_ctrl()
233 	switch (ctrl->id) {  in fm_v4l2_s_ctrl()
235 		return fm_rx_set_volume(fmdev, (u16)ctrl->val);  in fm_v4l2_s_ctrl()
238 		return fmc_set_mute_mode(fmdev, (u8)ctrl->val);  in fm_v4l2_s_ctrl()
242 		return fm_tx_set_pwr_lvl(fmdev, (u8)ctrl->val);  in fm_v4l2_s_ctrl()
245 		return fm_tx_set_preemph_filter(fmdev, (u8) ctrl->val);  in fm_v4l2_s_ctrl()
535 	struct v4l2_ctrl *ctrl;  in fm_v4l2_init_video_device()  local
591 	ctrl = v4l2_ctrl_new_std(&fmdev->ctrl_handler, &fm_ctrl_ops,  in fm_v4l2_init_video_device()
595 	if (ctrl)  in fm_v4l2_init_video_device()
596 		ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;  in fm_v4l2_init_video_device()