613 static int vidioc_enumaudio(struct file *file, void *fh, struct v4l2_audio *a)  in vidioc_enumaudio()  argument
615 	if (a->index >= MXB_AUDIOS)  in vidioc_enumaudio()
617 	*a = mxb_audios[a->index];  in vidioc_enumaudio()
621 static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a)  in vidioc_g_audio()  argument
627 	*a = mxb_audios[mxb->cur_audinput];  in vidioc_g_audio()
631 static int vidioc_s_audio(struct file *file, void *fh, const struct v4l2_audio *a)  in vidioc_s_audio()  argument
636 	DEB_D("VIDIOC_S_AUDIO %d\n", a->index);  in vidioc_s_audio()
637 	if (a->index >= 32 ||  in vidioc_s_audio()
638 	    !(mxb_inputs[mxb->cur_input].audioset & (1 << a->index)))  in vidioc_s_audio()
641 	if (mxb->cur_audinput != a->index) {  in vidioc_s_audio()
642 		mxb->cur_audinput = a->index;  in vidioc_s_audio()
643 		tea6420_route(mxb, a->index);  in vidioc_s_audio()