diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/adc.h | 4 | ||||
| -rw-r--r-- | include/config.h | 14 |
2 files changed, 16 insertions, 2 deletions
diff --git a/include/adc.h b/include/adc.h index f7fbb0d3ac..a42fc376ee 100644 --- a/include/adc.h +++ b/include/adc.h @@ -33,7 +33,9 @@ int adc_read_channel(enum adc_channel ch); * Read all ADC channels. * * @param data Destination array for channel data; must be - * ADC_CH_COUNT elements long. + * ADC_CH_COUNT elements long for single-read profile, + * or sized according to dma_buffer_size in + * continuous profiles. * * @return EC_SUCCESS, or non-zero on error. */ diff --git a/include/config.h b/include/config.h index 1ca46f1d98..24daae1b34 100644 --- a/include/config.h +++ b/include/config.h @@ -84,13 +84,25 @@ /* Compile chip support for analog-to-digital convertor */ #undef CONFIG_ADC -/* ADC sample time selection. The value is chip-dependent. */ +/* + * ADC sample time selection. The value is chip-dependent. + * TODO: Replace this with CONFIG_ADC_PROFILE entries. + */ #undef CONFIG_ADC_SAMPLE_TIME /* Include the ADC analog watchdog feature in the ADC code */ #define CONFIG_ADC_WATCHDOG /* + * Chip-dependent ADC configuration - select one. + * SINGLE - Sample all inputs once when requested. + * FAST_CONTINUOUS - Sample all inputs continuously using DMA, with minimal + * sample time. + */ +#define CONFIG_ADC_PROFILE_SINGLE +#undef CONFIG_ADC_PROFILE_FAST_CONTINUOUS + +/* * Some ALS modules may be connected to the EC. We need the command, and * specific drivers for each module. */ |