54 	struct mutex lock;  member
71 	if (mutex_lock_interruptible(&adc->lock))  in adcxx_read()
93 	mutex_unlock(&adc->lock);  in adcxx_read()
111 	if (mutex_lock_interruptible(&adc->lock))  in adcxx_show_max()
116 	mutex_unlock(&adc->lock);  in adcxx_show_max()
131 	if (mutex_lock_interruptible(&adc->lock))  in adcxx_set_max()
136 	mutex_unlock(&adc->lock);  in adcxx_set_max()
178 	mutex_init(&adc->lock);  in adcxx_probe()
180 	mutex_lock(&adc->lock);  in adcxx_probe()
199 	mutex_unlock(&adc->lock);  in adcxx_probe()
206 	mutex_unlock(&adc->lock);  in adcxx_probe()
215 	mutex_lock(&adc->lock);  in adcxx_remove()
220 	mutex_unlock(&adc->lock);  in adcxx_remove()