google/gru: correct backlight gpio
it uses backlight enable pin as backlight gpio currently,
correct it and define the right backlight gpio.
Change-Id: I7c5abfd5bbbae015b899f3edc8892ea32bf82463
Signed-off-by: Lin Huang <hl@rock-chips.com>
Reviewed-on: https://review.coreboot.org/22529
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
diff --git a/src/mainboard/google/gru/mainboard.c b/src/mainboard/google/gru/mainboard.c
index 296d9ad..653e49a 100644
--- a/src/mainboard/google/gru/mainboard.c
+++ b/src/mainboard/google/gru/mainboard.c
@@ -369,7 +369,11 @@
void mainboard_power_on_backlight(void)
{
- gpio_output(GPIO_BACKLIGHT, 1); /* BL_EN */
+ gpio_output(GPIO_BL_EN, 1); /* BL_EN */
+
+ /* Configure as output GPIO, to be toggled by payload. */
+ if (IS_ENABLED(CONFIG_GRU_BASEBOARD_SCARLET))
+ gpio_output(GPIO_BACKLIGHT, 0);
if (IS_ENABLED(CONFIG_BOARD_GOOGLE_GRU))
prepare_backlight_i2c();