From f3c3dae580d92feba8fe07f407c89843ea9721cc Mon Sep 17 00:00:00 2001 From: Vladimir Serbinenko Date: Sun, 12 Jan 2014 15:19:50 +0100 Subject: [PATCH] ec/lenovo/h8: Add backlight control. Change-Id: I773793bf53d91ae787bd0d0ae7bd882243196d56 Signed-off-by: Vladimir Serbinenko Reviewed-on: http://review.coreboot.org/4678 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi --- src/ec/lenovo/h8/chip.h | 1 + src/ec/lenovo/h8/h8.c | 11 +++++++++-- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/src/ec/lenovo/h8/chip.h b/src/ec/lenovo/h8/chip.h index 3efff2f6b8..37998ee6f3 100644 --- a/src/ec/lenovo/h8/chip.h +++ b/src/ec/lenovo/h8/chip.h @@ -47,6 +47,7 @@ struct ec_lenovo_h8_config { u8 evente_enable; u8 eventf_enable; + u8 has_keyboard_backlight; u8 has_power_management_beeps; }; #endif diff --git a/src/ec/lenovo/h8/h8.c b/src/ec/lenovo/h8/h8.c index da5b478646..8fffd5a754 100644 --- a/src/ec/lenovo/h8/h8.c +++ b/src/ec/lenovo/h8/h8.c @@ -160,12 +160,19 @@ static void h8_enable(device_t dev) { struct ec_lenovo_h8_config *conf = dev->chip_info; u8 val, tmp; - u8 beepmask0, beepmask1; + u8 beepmask0, beepmask1, config1; h8_log_ec_version(); ec_write(H8_CONFIG0, conf->config0); - ec_write(H8_CONFIG1, conf->config1); + config1 = conf->config1; + + if (conf->has_keyboard_backlight) { + if (get_option(&val, "backlight") != CB_SUCCESS) + val = 0; /* Both backlights. */ + config1 = (config1 & 0xf3) | ((val & 0x3) << 2); + } + ec_write(H8_CONFIG1, config1); ec_write(H8_CONFIG2, conf->config2); ec_write(H8_CONFIG3, conf->config3);