diff options
Diffstat (limited to 'include/linux/extcon/extcon-adc-jack.h')
| -rw-r--r-- | include/linux/extcon/extcon-adc-jack.h | 51 |
1 files changed, 24 insertions, 27 deletions
diff --git a/include/linux/extcon/extcon-adc-jack.h b/include/linux/extcon/extcon-adc-jack.h index 20e9eef25d4c..19b437e9c080 100644 --- a/include/linux/extcon/extcon-adc-jack.h +++ b/include/linux/extcon/extcon-adc-jack.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * include/linux/extcon/extcon-adc-jack.h * @@ -5,11 +6,6 @@ * * Copyright (C) 2012 Samsung Electronics * MyungJoo Ham <myungjoo.ham@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #ifndef _EXTCON_ADC_JACK_H_ @@ -20,10 +16,10 @@ /** * struct adc_jack_cond - condition to use an extcon state - * @state - the corresponding extcon state (if 0, this struct denotes - * the last adc_jack_cond element among the array) - * @min_adc - min adc value for this condition - * @max_adc - max adc value for this condition + * 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 @@ -33,39 +29,40 @@ * because when no adc_jack_cond is met, state = 0 is automatically chosen. */ struct adc_jack_cond { - u32 state; /* extcon state value. 0 if invalid */ + 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 cable names ending with null. - * @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. + * @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; - /* - * The last entry should be NULL - */ - const char **cable_names; + + 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 */ |