681 	if (mutex_lock_interruptible(&state->fe_mutex))  in af9015_af9013_set_frontend()
686 	mutex_unlock(&state->fe_mutex);  in af9015_af9013_set_frontend()
698 	if (mutex_lock_interruptible(&state->fe_mutex))  in af9015_af9013_read_status()
703 	mutex_unlock(&state->fe_mutex);  in af9015_af9013_read_status()
714 	if (mutex_lock_interruptible(&state->fe_mutex))  in af9015_af9013_init()
719 	mutex_unlock(&state->fe_mutex);  in af9015_af9013_init()
730 	if (mutex_lock_interruptible(&state->fe_mutex))  in af9015_af9013_sleep()
735 	mutex_unlock(&state->fe_mutex);  in af9015_af9013_sleep()
746 	if (mutex_lock_interruptible(&state->fe_mutex))  in af9015_tuner_init()
751 	mutex_unlock(&state->fe_mutex);  in af9015_tuner_init()
762 	if (mutex_lock_interruptible(&state->fe_mutex))  in af9015_tuner_sleep()
767 	mutex_unlock(&state->fe_mutex);  in af9015_tuner_sleep()
1090 	mutex_lock(&state->fe_mutex);  in af9015_pid_filter_ctrl()
1092 	mutex_unlock(&state->fe_mutex);  in af9015_pid_filter_ctrl()
1104 	mutex_lock(&state->fe_mutex);  in af9015_pid_filter()
1106 	mutex_unlock(&state->fe_mutex);  in af9015_pid_filter()
1119 	mutex_init(&state->fe_mutex);  in af9015_init()