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| author | Hsu Henry <Henry.Hsu@quantatw.com> | 2014-12-08 17:30:41 +0800 |
|---|---|---|
| committer | chrome-internal-fetch <chrome-internal-fetch@google.com> | 2014-12-08 21:31:35 +0000 |
| commit | cec6f0a6482e71a1a930444df50568862872a6b6 (patch) | |
| tree | dba1ef30b8b89ee56caec997c4357dcc16f0ad72 | |
| parent | e9d3ac3f1a60f89731c2075861220288741a3bc8 (diff) | |
| download | chrome-ec-cec6f0a6482e71a1a930444df50568862872a6b6.tar.gz | |
Paine, Yuna: Add 10ms delay between SUSP_VR and RSMRST#
BUG=chrome-os-partner:34411
BRANCH=Paine, Yuna
TEST=The offset between the two signals is around 13ms by using
oscilloscope to measure it.
Change-Id: I69677165e5ddea81d02464f5fcdee343862a733b
Signed-off-by: Henry Hsu <Henry.Hsu@quantatw.com>
Reviewed-on: https://chromium-review.googlesource.com/233860
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Mohammed Habibulla <moch@chromium.org>
| -rw-r--r-- | power/haswell.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/power/haswell.c b/power/haswell.c index ae7cf7a14a..c5443b1fb6 100644 --- a/power/haswell.c +++ b/power/haswell.c @@ -218,6 +218,9 @@ enum power_state power_handle_state(enum power_state state) return POWER_G3; } + /* Add 10ms delay between SUSP_VR and RSMRST# */ + msleep(10); + /* Deassert RSMRST# */ gpio_set_level(GPIO_PCH_RSMRST_L, 1); |