drivers/extcon/extcon-max77693.c

81 	 * Use delayed workqueue to detect cable state and then
82 	 * notify cable state to notifiee/platform through uevent.
84 	 * driver should notify cable state to upper layer.
248  * max77693_muic_set_path - Set hardware line according to attached cable
250  * @value: the path according to attached cable
251  * @attached: the state of cable (true:attached, false:detached)
255  * attached cable.
297  * max77693_muic_get_cable_type - Return cable type and check cable state
299  * @group: the path according to attached cable
300  * @attached: store cable state and return
302  * This function check the cable state either attached or detached,
303  * and then divide precise type of cable according to cable group.
322 		 * Read ADC value to check cable type and decide cable state  in max77693_muic_get_cable_type()
323 		 * according to cable type  in max77693_muic_get_cable_type()
329 		 * Check current cable state/cable type and store cable type  in max77693_muic_get_cable_type()
330 		 * (info->prev_cable_type) for handling cable when cable is  in max77693_muic_get_cable_type()
346 		 * Read ADC value to check cable type and decide cable state  in max77693_muic_get_cable_type()
347 		 * according to cable type  in max77693_muic_get_cable_type()
353 		 * Check current cable state/cable type and store cable type  in max77693_muic_get_cable_type()
354 		 * (info->prev_cable_type/_gnd) for handling cable when cable  in max77693_muic_get_cable_type()
377 			 * [0x1|     0|     1|    0] Audio Video cable with load  in max77693_muic_get_cable_type()
378 			 * [0x1|     0|     1|    1] MHL without charging cable  in max77693_muic_get_cable_type()
379 			 * [0x1|     1|     1|    1] MHL with charging cable  in max77693_muic_get_cable_type()
393 		 * Read charger type to check cable type and decide cable state  in max77693_muic_get_cable_type()
394 		 * according to type of charger cable.  in max77693_muic_get_cable_type()
408 			 * Check current cable state/cable type and store cable  in max77693_muic_get_cable_type()
409 			 * type(info->prev_chg_type) for handling cable when  in max77693_muic_get_cable_type()
410 			 * charger cable is detached.  in max77693_muic_get_cable_type()
418 		 * Read ADC value to check cable type and decide cable state  in max77693_muic_get_cable_type()
419 		 * according to cable type  in max77693_muic_get_cable_type()
434 		 * this cable is used for charging.  in max77693_muic_get_cable_type()
442 		dev_err(info->dev, "Unknown cable group (%d)\n", group);  in max77693_muic_get_cable_type()
465 		 * Check power cable whether attached or detached state.  in max77693_muic_dock_handler()
467 		 * If power cable(USB/TA) isn't connected to Dock device,  in max77693_muic_dock_handler()
480 		 * - Dock device include three type of cable which  in max77693_muic_dock_handler()
482 		 * for USB/TA cable. Dock device need always exteranl  in max77693_muic_dock_handler()
483 		 * power supply(USB/TA cable through micro-usb cable). Dock  in max77693_muic_dock_handler()
487 		 * Features of 'USB/TA cable with Dock device'  in max77693_muic_dock_handler()
491 		 *	     connection if TA cable is connected to target.  in max77693_muic_dock_handler()
493 		 *           if USB cable is connected between target and host  in max77693_muic_dock_handler()
595 		/* Audio Video Cable with load, PATH:AUDIO */  in max77693_muic_adc_ground_handler()
606 		/* MHL or MHL with USB/TA cable */  in max77693_muic_adc_ground_handler()
610 		dev_err(info->dev, "failed to detect %s cable of gnd type\n",  in max77693_muic_adc_ground_handler()
640 		dev_err(info->dev, "failed to detect %s jig cable\n",  in max77693_muic_jig_handler()
690 		 * The MAX77693 MUIC device can detect total 34 cable type  in max77693_muic_adc_handler()
691 		 * except of charger cable and MUIC device didn't define  in max77693_muic_adc_handler()
692 		 * specfic role of cable in the range of from 0x01 to 0x12  in max77693_muic_adc_handler()
693 		 * of ADC value. So, can use/define cable with no role according  in max77693_muic_adc_handler()
709 		 * The MAX77693 MUIC device can detect total 34 cable type  in max77693_muic_adc_handler()
710 		 * except of charger cable and MUIC device didn't define  in max77693_muic_adc_handler()
711 		 * specfic role of cable in the range of from 0x01 to 0x12  in max77693_muic_adc_handler()
712 		 * of ADC value. So, can use/define cable with no role according  in max77693_muic_adc_handler()
791 			 * MHL cable with USB/TA cable  in max77693_muic_chg_handler()
792 			 * - MHL cable include two port(HDMI line and separate  in max77693_muic_chg_handler()
793 			 * micro-usb port. When the target connect MHL cable,  in max77693_muic_chg_handler()
794 			 * extcon driver check whether USB/TA cable is  in max77693_muic_chg_handler()
795 			 * connected. If USB/TA cable is connected, extcon  in max77693_muic_chg_handler()
798 			 * Features of 'USB/TA with MHL cable'  in max77693_muic_chg_handler()
817 			 * Dock-Audio device with USB/TA cable  in max77693_muic_chg_handler()
820 			 * extcon driver check whether USB/TA cable is connected  in max77693_muic_chg_handler()
821 			 * or not. If USB/TA cable is connected, extcon driver  in max77693_muic_chg_handler()
824 			 * Features of 'USB/TA cable with Dock-Audio device'  in max77693_muic_chg_handler()
840 			 * Dock-Smart device with USB/TA cable  in max77693_muic_chg_handler()
841 			 * - Dock-Desk device include three type of cable which  in max77693_muic_chg_handler()
843 			 * for USB/TA cable. Dock-Smart device need always  in max77693_muic_chg_handler()
844 			 * exteranl power supply(USB/TA cable through micro-usb  in max77693_muic_chg_handler()
845 			 * cable). Dock-Smart device support screen output of  in max77693_muic_chg_handler()
849 			 * Features of 'USB/TA cable with Dock-Smart device'  in max77693_muic_chg_handler()
853 			 *   data connection if TA cable is connected to target.  in max77693_muic_chg_handler()
855 			 *   usb port if USB cable is connected between target  in max77693_muic_chg_handler()
875 			 * When MHL(with USB/TA cable) or Dock-Audio with USB/TA  in max77693_muic_chg_handler()
876 			 * cable is attached, muic device happen below two irq.  in max77693_muic_chg_handler()
880 			 *    USB/TA cable connected to MHL or Dock-Audio.  in max77693_muic_chg_handler()
884 			 * If user attach MHL (with USB/TA cable and immediately  in max77693_muic_chg_handler()
885 			 * detach MHL with USB/TA cable before MAX77693_MUIC_IRQ  in max77693_muic_chg_handler()
886 			 * _INT2_CHGTYP irq is happened, USB/TA cable remain  in max77693_muic_chg_handler()
887 			 * connected state to target. But USB/TA cable isn't  in max77693_muic_chg_handler()
894 			/* Only USB cable, PATH:AP_USB */  in max77693_muic_chg_handler()
906 			/* Only TA cable */  in max77693_muic_chg_handler()
1207 		 * Default delay time for detecting cable state  in max77693_muic_probe()
1249 	 * - Use delayed workqueue to detect cable state and then  in max77693_muic_probe()
1250 	 * notify cable state to notifiee/platform through uevent.  in max77693_muic_probe()
1252 	 * driver should notify cable state to upper layer.  in max77693_muic_probe()