You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
25 lines
581 B
25 lines
581 B
|
|
#ifndef __LINUX_JZ4740_ADC
|
|
#define __LINUX_JZ4740_ADC
|
|
|
|
#include <linux/device.h>
|
|
|
|
enum jz_adc_battery_scale {
|
|
JZ_ADC_BATTERY_SCALE_2V5, /* Mesures voltages up to 2.5V */
|
|
JZ_ADC_BATTERY_SCALE_7V5, /* Mesures voltages up to 7.5V */
|
|
};
|
|
|
|
/*
|
|
* jz4740_adc_read_battery_voltage - Read battery voltage from the ADC PBAT pin
|
|
* @dev: Pointer to a jz4740-adc device
|
|
* @scale: Whether to use 2.5V or 7.5V scale
|
|
*
|
|
* Returns: Battery voltage in mircovolts
|
|
*
|
|
* Context: Process
|
|
*/
|
|
long jz4740_adc_read_battery_voltage(struct device *dev,
|
|
enum jz_adc_battery_scale scale);
|
|
|
|
|
|
#endif
|
|
|