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| author | Randall Spangler <rspangler@chromium.org> | 2013-10-24 09:46:34 -0700 |
|---|---|---|
| committer | chrome-internal-fetch <chrome-internal-fetch@google.com> | 2013-10-25 20:12:54 +0000 |
| commit | 685c45ef46efe4a3e0b099ce43dddc65bbe2f672 (patch) | |
| tree | 73b1649af54099f62706ee94789ac8f2e0ac6d0a /chip/stm32/adc-stm32l.c | |
| parent | 17ea6d50f04dc3e287ab8a160d5db505377d57d5 (diff) | |
| download | chrome-ec-685c45ef46efe4a3e0b099ce43dddc65bbe2f672.tar.gz | |
cleanup: comments in adc modules
No code changes, other than renaming a couple of static functions.
BUG=none
BRANCH=none
TEST=build falco
Change-Id: I29b835d273aa1aba66d9d40536eae2eb12207f66
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/174530
Diffstat (limited to 'chip/stm32/adc-stm32l.c')
| -rw-r--r-- | chip/stm32/adc-stm32l.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/chip/stm32/adc-stm32l.c b/chip/stm32/adc-stm32l.c index 0dc1d76743..75b640fde1 100644 --- a/chip/stm32/adc-stm32l.c +++ b/chip/stm32/adc-stm32l.c @@ -126,9 +126,10 @@ static void adc_release(void) clock_enable_module(MODULE_ADC, 0); restore_clock = 0; } + /* - * Always power down ADC. - * TODO(victoryang): Can we leave ADC powered? + * Power down the ADC. The ADC consumes a non-trivial amount of power, + * so it's wasteful to leave it on. */ if (adc_powered()) STM32_ADC_CR2 = 0; |