From 5a71c28c4e173ec778376ff120441699987695cd Mon Sep 17 00:00:00 2001 From: David Hendricks Date: Tue, 27 Aug 2013 20:29:53 -0700 Subject: [PATCH] kirby: disable internal pull resistors on DP transmitter This disables the internal pull resistors for SLIM_PD_BUF and SLIM_CABLE_DET_BUF as per frh's advice. Signed-off-by: David Hendricks BUG=none BRANCH=none TEST=Display works on Kirby without rework Change-Id: I8b5fa56a7a0004ed1df5a115913d454e1d66750d Reviewed-on: https://chromium-review.googlesource.com/167179 Reviewed-by: Ronald Minnich Reviewed-by: Gabe Black Commit-Queue: David Hendricks Tested-by: David Hendricks --- src/mainboard/google/kirby/romstage.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/mainboard/google/kirby/romstage.c b/src/mainboard/google/kirby/romstage.c index cb5552abc6..44a8130826 100644 --- a/src/mainboard/google/kirby/romstage.c +++ b/src/mainboard/google/kirby/romstage.c @@ -129,6 +129,9 @@ static void setup_gpio(void) gpio_direction_input(GPIO_X12); // POWER_GPIO gpio_set_pull(GPIO_X12, GPIO_PULL_NONE); + + gpio_set_pull(GPIO_H01, GPIO_PULL_NONE); // SLIM_PD_BUF + gpio_set_pull(GPIO_H03, GPIO_PULL_NONE); // SLIM_CABLE_DET_BUF } static void setup_memory(struct mem_timings *mem, int is_resume)