diff options
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/kukui/boardid.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/mainboard/google/kukui/boardid.c b/src/mainboard/google/kukui/boardid.c index b9f1ba2226..71f051f312 100644 --- a/src/mainboard/google/kukui/boardid.c +++ b/src/mainboard/google/kukui/boardid.c @@ -15,6 +15,7 @@ #include <assert.h> #include <boardid.h> +#include <console/console.h> #include <soc/auxadc.h> #include <ec/google/chromeec/ec.h> #include <stddef.h> @@ -82,8 +83,13 @@ static uint32_t get_adc_index(unsigned int channel) if (value < (voltages[id] + voltages[id + 1]) / 2) break; + /* The last level is NC and may be larger than standard tolerance. */ const int tolerance = 10000; /* 10,000 uV */ - assert(ABS(value - voltages[id]) < tolerance); + if (id < ADC_LEVELS - 1 && ABS(value - voltages[id]) > tolerance) { + printk(BIOS_ERR, "ADC channel %u value out of range: %d\n", + channel, value); + assert(0); + } return id; } |