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Add jz4740-adc.h

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This commit is contained in:
Lars-Peter Clausen 2009-09-22 09:52:29 +02:00 committed by Xiangfu Liu
parent 90dc5a173c
commit ae01e2fb2c
1 changed files with 25 additions and 0 deletions
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target/linux/xburst/files-2.6.31/include/linux/jz4740-adc.h Normal file
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#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