vctrl.value = dB_to_cx25840_vol(uctl->value.integer.value[0]);
 
        snd_ivtv_lock(itvsc);
-       ret = v4l2_subdev_call(itv->sd_audio, core, g_ctrl, &vctrl);
+       ret = v4l2_g_ctrl(itv->sd_audio->ctrl_handler, &vctrl);
        snd_ivtv_unlock(itvsc);
 
        if (!ret)
        snd_ivtv_lock(itvsc);
 
        /* Fetch current state */
-       ret = v4l2_subdev_call(itv->sd_audio, core, g_ctrl, &vctrl);
+       ret = v4l2_g_ctrl(itv->sd_audio->ctrl_handler, &vctrl);
 
        if (ret ||
            (cx25840_vol_to_dB(vctrl.value) != uctl->value.integer.value[0])) {
 
                /* Set, if needed */
                vctrl.value = dB_to_cx25840_vol(uctl->value.integer.value[0]);
-               ret = v4l2_subdev_call(itv->sd_audio, core, s_ctrl, &vctrl);
+               ret = v4l2_s_ctrl(itv->sd_audio->ctrl_handler, &vctrl);
                if (!ret)
                        ret = 1; /* Indicate control was changed w/o error */
        }