140 	struct mutex			mutex; /* avoid parallel access */  member
579 	mutex_lock(&chip->mutex);  in bh1770_prox_work()
581 	mutex_unlock(&chip->mutex);  in bh1770_prox_work()
591 	mutex_lock(&chip->mutex);  in bh1770_irq()
628 	mutex_unlock(&chip->mutex);  in bh1770_irq()
658 	mutex_lock(&chip->mutex);  in bh1770_power_state_store()
685 	mutex_unlock(&chip->mutex);  in bh1770_power_state_store()
711 	mutex_lock(&chip->mutex);  in bh1770_lux_result_show()
713 	mutex_unlock(&chip->mutex);  in bh1770_lux_result_show()
736 	mutex_lock(&chip->mutex);  in bh1770_prox_enable_store()
752 	mutex_unlock(&chip->mutex);  in bh1770_prox_enable_store()
762 	mutex_lock(&chip->mutex);  in bh1770_prox_enable_show()
764 	mutex_unlock(&chip->mutex);  in bh1770_prox_enable_show()
774 	mutex_lock(&chip->mutex);  in bh1770_prox_result_show()
779 	mutex_unlock(&chip->mutex);  in bh1770_prox_result_show()
836 	mutex_lock(&chip->mutex);  in bh1770_set_prox_rate_above()
838 	mutex_unlock(&chip->mutex);  in bh1770_set_prox_rate_above()
854 	mutex_lock(&chip->mutex);  in bh1770_set_prox_rate_below()
856 	mutex_unlock(&chip->mutex);  in bh1770_set_prox_rate_below()
882 	mutex_lock(&chip->mutex);  in bh1770_set_prox_thres()
885 	mutex_unlock(&chip->mutex);  in bh1770_set_prox_thres()
965 	mutex_lock(&chip->mutex);  in bh1770_lux_calib_show()
967 	mutex_unlock(&chip->mutex);  in bh1770_lux_calib_show()
985 	mutex_lock(&chip->mutex);  in bh1770_lux_calib_store()
991 		mutex_unlock(&chip->mutex);  in bh1770_lux_calib_store()
999 	mutex_unlock(&chip->mutex);  in bh1770_lux_calib_store()
1038 	mutex_lock(&chip->mutex);  in bh1770_set_lux_rate()
1041 	mutex_unlock(&chip->mutex);  in bh1770_set_lux_rate()
1076 	mutex_lock(&chip->mutex);  in bh1770_set_lux_thresh()
1086 	mutex_unlock(&chip->mutex);  in bh1770_set_lux_thresh()
1195 	mutex_init(&chip->mutex);  in bh1770_probe()