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google/chell: Turn on keyboard backlight in romstage 

Use the keyboard backlight to provide indication that the system is
booting.  This is useful for determining that a system is in S0 and
is running BIOS code.

BUG=chrome-os-partner:47435
BRANCH=none
TEST=boot on chell and see keyboard backlight come on early

Change-Id: I43e699bcc2f34998d3d6ce33ce72c7b04b55c146
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: a3a0147b6de681365a9c995175076d5f397016fb
Original-Change-Id: I2441c28431e71b13b70e6533e175d29ccfd8d7e9
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/312358
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/12448
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Duncan Laurie 2015-11-12 16:39:36 -08:00 committed by Patrick Georgi
parent 4aca1477cb
commit 3db94686e5
1 changed files with 4 additions and 0 deletions
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4
src/mainboard/google/chell/romstage.c
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@ -39,6 +39,10 @@ void mainboard_romstage_entry(struct romstage_params *params)
/* Ensure the EC and PD are in the right mode for recovery */
google_chromeec_early_init();
/* Turn on keyboard backlight to indicate we are booting */
if (params->power_state->prev_sleep_state != SLEEP_STATE_S3)
google_chromeec_kbbacklight(100);
early_config_gpio();
/* Fill out PEI DATA */