/* SPDX-License-Identifier: GPL-2.0-only *//* * include/linux/extcon/extcon-adc-jack.h * * Analog Jack extcon driver with ADC-based detection capability. * * Copyright (C) 2012 Samsung Electronics * MyungJoo Ham <myungjoo.ham@samsung.com> */ #ifndef _EXTCON_ADC_JACK_H_#define _EXTCON_ADC_JACK_H_ __FILE__ #include <linux/module.h>#include <linux/extcon.h> /** * struct adc_jack_cond - condition to use an extcon state *			denotes the last adc_jack_cond element among the array) * @id:			the unique id of each external connector * @min_adc:		min adc value for this condition * @max_adc:		max adc value for this condition * * For example, if { .state = 0x3, .min_adc = 100, .max_adc = 200}, it means * that if ADC value is between (inclusive) 100 and 200, than the cable 0 and * 1 are attached (1<<0 | 1<<1 == 0x3) * * Note that you don't need to describe condition for "no cable attached" * because when no adc_jack_cond is met, state = 0 is automatically chosen. */struct adc_jack_cond {	unsigned int id;	u32 min_adc;	u32 max_adc;}; /** * struct adc_jack_pdata - platform data for adc jack device. * @name:		name of the extcon device. If null, "adc-jack" is used. * @consumer_channel:	Unique name to identify the channel on the consumer *			side. This typically describes the channels used within *			the consumer. E.g. 'battery_voltage' * @cable_names:	array of extcon id for supported cables. * @adc_contitions:	array of struct adc_jack_cond conditions ending *			with .state = 0 entry. This describes how to decode *			adc values into extcon state. * @irq_flags:		irq flags used for the @irq * @handling_delay_ms:	in some devices, we need to read ADC value some *			milli-seconds after the interrupt occurs. You may *			describe such delays with @handling_delay_ms, which *			is rounded-off by jiffies. * @wakeup_source:	flag to wake up the system for extcon events. */struct adc_jack_pdata {	const char *name;	const char *consumer_channel; 	const unsigned int *cable_names; 	/* The last entry's state should be 0 */	struct adc_jack_cond *adc_conditions; 	unsigned long irq_flags;	unsigned long handling_delay_ms; /* in ms */	bool wakeup_source;}; #endif /* _EXTCON_ADC_JACK_H */