diff options
| author | Randall Spangler <rspangler@chromium.org> | 2012-10-26 16:33:30 -0700 |
|---|---|---|
| committer | Gerrit <chrome-bot@google.com> | 2012-11-01 12:45:22 -0700 |
| commit | d83f42bdc8b61773efc17e0194e5abe26109128d (patch) | |
| tree | e8351b0f756dff9aac9d6b919037c1f3b283c644 /chip/lm4/chip_temp_sensor.c | |
| parent | 742ec5a1ff3a058bf6f1753bafde9e3e57d44f58 (diff) | |
| download | chrome-ec-d83f42bdc8b61773efc17e0194e5abe26109128d.tar.gz | |
Switch temp sensor polling to use hooks instead of task
This reduces memory / code size, and gets rid of ifdefs in temp_sensor.c.
BUG=chrome-os-partner:15714
BRANCH=none
TEST=boot system and run 'ectool temps all' every few seconds
- ectool temps all
The numbers should update over time.
Change-Id: Idaac7e6e4cbc1d6689f5d3b607c623a5cc536a4f
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/36940
Diffstat (limited to 'chip/lm4/chip_temp_sensor.c')
| -rw-r--r-- | chip/lm4/chip_temp_sensor.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/chip/lm4/chip_temp_sensor.c b/chip/lm4/chip_temp_sensor.c index 077806ba73..2377806023 100644 --- a/chip/lm4/chip_temp_sensor.c +++ b/chip/lm4/chip_temp_sensor.c @@ -7,18 +7,17 @@ #include "adc.h" #include "common.h" +#include "hooks.h" #include "lm4_adc.h" -#include "temp_sensor.h" /* Initialize temperature reading to a sane value (27 C) */ static int last_val = 300; -int chip_temp_sensor_poll(void) +static void chip_temp_sensor_poll(void) { last_val = adc_read_channel(ADC_CH_EC_TEMP); - - return EC_SUCCESS; } +DECLARE_HOOK(HOOK_SECOND, chip_temp_sensor_poll, HOOK_PRIO_DEFAULT); int chip_temp_sensor_get_val(int idx, int *temp_ptr) { |