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| author | Yu-An Chen <yu-an.chen@quanta.corp-partner.google.com> | 2021-03-05 15:44:47 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-03-08 19:59:02 +0000 |
| commit | d603b7a1f844f6e7b4a7582c97fe7e1d9cc24279 (patch) | |
| tree | 498410da6e20829b309978c87f5d4e065f644f87 /common/thermal.c | |
| parent | cfbbbb93b44799c61f5591b9658d650136ab5ac4 (diff) | |
| download | chrome-ec-d603b7a1f844f6e7b4a7582c97fe7e1d9cc24279.tar.gz | |
dedede/metaknight: delay thermal sensor read in the first time
Add CONFIG_TEMP_SENSOR_FIRST_READ_DELAY_MS to adjustment
delay time of thermal sensor first read.
Add 500 ms delay of thermal sensor first read in metaknight.
BUG=b:181202521
BRANCH=dedede
TEST=DUT do [ec reset|boot from G3] 20 time pass
Signed-off-by: yu-an.chen@quanta.corp-partner.google.com
Change-Id: I12f5411c8ac3866d7a52807c4eface9e6bdfd5a7
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2738505
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
Commit-Queue: Aseda Aboagye <aaboagye@chromium.org>
Diffstat (limited to 'common/thermal.c')
| -rw-r--r-- | common/thermal.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/common/thermal.c b/common/thermal.c index 40577c0d43..e9750931be 100644 --- a/common/thermal.c +++ b/common/thermal.c @@ -53,6 +53,12 @@ BUILD_ASSERT(EC_TEMP_THRESH_COUNT == 3); /* Keep track of which thresholds have triggered */ static cond_t cond_hot[EC_TEMP_THRESH_COUNT]; +/* thermal sensor read delay */ +#if defined(CONFIG_TEMP_SENSOR_POWER_GPIO) && \ + defined(CONFIG_TEMP_SENSOR_FIRST_READ_DELAY_MS) +static int first_read_delay = CONFIG_TEMP_SENSOR_FIRST_READ_DELAY_MS; +#endif + static void thermal_control(void) { int i, j, t, rv, f; @@ -67,6 +73,15 @@ static void thermal_control(void) int temp[TEMP_SENSOR_COUNT]; #endif + /* add delay to ensure thermal sensor is ready when EC boot */ +#if defined(CONFIG_TEMP_SENSOR_POWER_GPIO) && \ + defined(CONFIG_TEMP_SENSOR_FIRST_READ_DELAY_MS) + if (first_read_delay != 0) { + msleep(first_read_delay); + first_read_delay = 0; + } +#endif + /* Get ready to count things */ memset(count_over, 0, sizeof(count_over)); memset(count_under, 0, sizeof(count_under)); |