diff options
Diffstat (limited to 'chip/lm4/adc.c')
| -rw-r--r-- | chip/lm4/adc.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/chip/lm4/adc.c b/chip/lm4/adc.c index 3bac9415c5..eb6f640680 100644 --- a/chip/lm4/adc.c +++ b/chip/lm4/adc.c @@ -20,14 +20,15 @@ static task_id_t task_waiting_on_ss[LM4_ADC_SEQ_COUNT]; static void configure_gpio(void) { - int i; + int i, port, mask; /* Use analog function for AIN */ for (i = 0; i < ADC_CH_COUNT; ++i) { if (adc_channels[i].gpio_mask) { - gpio_set_alternate_function(adc_channels[i].gpio_port, - adc_channels[i].gpio_mask, - 1); + mask = adc_channels[i].gpio_mask; + port = adc_channels[i].gpio_port; + LM4_GPIO_DEN(port) &= ~mask; + LM4_GPIO_AMSEL(port) |= mask; } } } |