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-rw-r--r--include/adc.h31
1 files changed, 14 insertions, 17 deletions
diff --git a/include/adc.h b/include/adc.h
index 1f01f2c08f..a59c58c463 100644
--- a/include/adc.h
+++ b/include/adc.h
@@ -9,27 +9,24 @@
#define __CROS_EC_ADC_H
#include "common.h"
-
-/* Value returned by adc_read_*() methods if the read failed. */
-#define ADC_READ_ERROR -1
-
-/* Minimum and maximum values returned by adc_read(). */
-#define ADC_READ_MIN 0
-#define ADC_READ_MAX 4095
-
-/* ADC channels */
-/* TODO: channel mapping is board-specific */
-enum adc_channel {
- ADC_CH_POT = 0,
+#include "board.h"
+
+/* Data structure to define ADC channels. */
+struct adc_t
+{
+ const char* name;
+ int sequencer;
+ int factor_mul;
+ int factor_div;
+ int shift;
+ int channel;
+ int flag;
};
/* Initializes the module. */
int adc_init(void);
-/* Reads an ADC channel. Returns the ADC value, or ADC_READ_ERROR if error. */
-int adc_read(enum adc_channel ch);
-
-/* Returns the internal EC temperature in K, or ADC_READ_ERROR if error. */
-int adc_read_ec_temperature(void);
+/* Read ADC channel. */
+int adc_read_channel(enum adc_channel ch);
#endif /* __CROS_EC_ADC_H */