diff options
| -rw-r--r-- | chip/stm32/adc.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/chip/stm32/adc.c b/chip/stm32/adc.c index 1aad5d5744..99b014ef29 100644 --- a/chip/stm32/adc.c +++ b/chip/stm32/adc.c @@ -95,6 +95,8 @@ static int adc_enable_watchdog_no_lock(void) return EC_ERROR_UNKNOWN; /* Set channel */ + STM32_ADC_SQR3 = watchdog_ain_id; + STM32_ADC_SQR1 = 0; STM32_ADC_CR1 = (STM32_ADC_CR1 & ~0x1f) | watchdog_ain_id; /* Clear interrupt bit */ @@ -271,11 +273,11 @@ static void adc_init(void) STM32_ADC_CR2 &= ~(1 << 11); /* - * Set sample time of all channels to 7.5 cycles. - * Conversion takes 8.75 us. + * Set sample time of all channels to 13.5 cycles. + * Conversion takes 15.75 us. */ - STM32_ADC_SMPR1 = 0x00249249; - STM32_ADC_SMPR2 = 0x09249249; + STM32_ADC_SMPR1 = 0x00492492; + STM32_ADC_SMPR2 = 0x12492492; } DECLARE_HOOK(HOOK_INIT, adc_init, HOOK_PRIO_DEFAULT); |