672 	if (mutex_lock_interruptible(&state->fe_mutex))  in af9015_af9013_set_frontend()
677 	mutex_unlock(&state->fe_mutex);  in af9015_af9013_set_frontend()
689 	if (mutex_lock_interruptible(&state->fe_mutex))  in af9015_af9013_read_status()
694 	mutex_unlock(&state->fe_mutex);  in af9015_af9013_read_status()
705 	if (mutex_lock_interruptible(&state->fe_mutex))  in af9015_af9013_init()
710 	mutex_unlock(&state->fe_mutex);  in af9015_af9013_init()
721 	if (mutex_lock_interruptible(&state->fe_mutex))  in af9015_af9013_sleep()
726 	mutex_unlock(&state->fe_mutex);  in af9015_af9013_sleep()
737 	if (mutex_lock_interruptible(&state->fe_mutex))  in af9015_tuner_init()
742 	mutex_unlock(&state->fe_mutex);  in af9015_tuner_init()
753 	if (mutex_lock_interruptible(&state->fe_mutex))  in af9015_tuner_sleep()
758 	mutex_unlock(&state->fe_mutex);  in af9015_tuner_sleep()
1081 	mutex_lock(&state->fe_mutex);  in af9015_pid_filter_ctrl()
1083 	mutex_unlock(&state->fe_mutex);  in af9015_pid_filter_ctrl()
1095 	mutex_lock(&state->fe_mutex);  in af9015_pid_filter()
1097 	mutex_unlock(&state->fe_mutex);  in af9015_pid_filter()
1110 	mutex_init(&state->fe_mutex);  in af9015_init()