diff options
| -rw-r--r-- | chip/lm4/lm4_adc.h | 3 | ||||
| -rw-r--r-- | chip/stm32/stm32_adc.h | 3 | ||||
| -rw-r--r-- | include/adc.h | 2 | ||||
| -rw-r--r-- | test/stress.c | 14 |
4 files changed, 16 insertions, 6 deletions
diff --git a/chip/lm4/lm4_adc.h b/chip/lm4/lm4_adc.h index 69479ac265..770c984209 100644 --- a/chip/lm4/lm4_adc.h +++ b/chip/lm4/lm4_adc.h @@ -36,9 +36,6 @@ extern const struct adc_t adc_channels[ADC_CH_COUNT]; #define ADC_READ_MIN 0 #define ADC_READ_MAX 4095 -/* Value returned if the read failed. */ -#define ADC_READ_ERROR -1 - /* Just plain id mapping for code readability */ #define LM4_AIN(x) (x) diff --git a/chip/stm32/stm32_adc.h b/chip/stm32/stm32_adc.h index d67459972c..13186720ca 100644 --- a/chip/stm32/stm32_adc.h +++ b/chip/stm32/stm32_adc.h @@ -23,9 +23,6 @@ extern const struct adc_t adc_channels[ADC_CH_COUNT]; #define ADC_READ_MIN 0 #define ADC_READ_MAX 4095 -/* Value returned if the read failed. */ -#define ADC_READ_ERROR -1 - /* Just plain id mapping for code readability */ #define STM32_AIN(x) (x) diff --git a/include/adc.h b/include/adc.h index 715852cd76..8c5dda02d5 100644 --- a/include/adc.h +++ b/include/adc.h @@ -10,6 +10,8 @@ #include "common.h" +#define ADC_READ_ERROR -1 + /** * Read an ADC channel. * diff --git a/test/stress.c b/test/stress.c index ecd975f712..8a69d84b19 100644 --- a/test/stress.c +++ b/test/stress.c @@ -126,6 +126,20 @@ static int test_i2c(void) #endif #ifdef CONFIG_ADC +__attribute__((weak)) int adc_read_all_channels(int *data) +{ + int i; + int rv = EC_SUCCESS; + + for (i = 0 ; i < ADC_CH_COUNT; ++i) { + data[i] = adc_read_channel(i); + if (data[i] == ADC_READ_ERROR) + rv = EC_ERROR_UNKNOWN; + } + + return rv; +} + static int test_adc(void) { int data[ADC_CH_COUNT]; |