671 	if (mutex_lock_interruptible(&state->fe_mutex))  in af9015_af9013_set_frontend()
676 	mutex_unlock(&state->fe_mutex);  in af9015_af9013_set_frontend()
688 	if (mutex_lock_interruptible(&state->fe_mutex))  in af9015_af9013_read_status()
693 	mutex_unlock(&state->fe_mutex);  in af9015_af9013_read_status()
704 	if (mutex_lock_interruptible(&state->fe_mutex))  in af9015_af9013_init()
709 	mutex_unlock(&state->fe_mutex);  in af9015_af9013_init()
720 	if (mutex_lock_interruptible(&state->fe_mutex))  in af9015_af9013_sleep()
725 	mutex_unlock(&state->fe_mutex);  in af9015_af9013_sleep()
736 	if (mutex_lock_interruptible(&state->fe_mutex))  in af9015_tuner_init()
741 	mutex_unlock(&state->fe_mutex);  in af9015_tuner_init()
752 	if (mutex_lock_interruptible(&state->fe_mutex))  in af9015_tuner_sleep()
757 	mutex_unlock(&state->fe_mutex);  in af9015_tuner_sleep()
1080 	mutex_lock(&state->fe_mutex);  in af9015_pid_filter_ctrl()
1082 	mutex_unlock(&state->fe_mutex);  in af9015_pid_filter_ctrl()
1094 	mutex_lock(&state->fe_mutex);  in af9015_pid_filter()
1096 	mutex_unlock(&state->fe_mutex);  in af9015_pid_filter()
1109 	mutex_init(&state->fe_mutex);  in af9015_init()