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authorRonald G. Minnich <rminnich@google.com>2013-07-10 17:27:45 -0700
committerPatrick Georgi <patrick@georgi-clan.de>2013-12-21 08:07:01 +0100
commit0d0b6e20f52ccc6315adc2f4f02bc9eb8b631d68 (patch)
tree478b0f91fd5b29bbf94d0237b0429dfa6ed19906 /src/mainboard/google/pit/mainboard.c
parentc0872f26d7fc4b8a30679ebdc7002ae8c072a0fb (diff)
Pit: set PWM to external on Parade
The PWM is controlled externally from the APU. Change-Id: Ia5130d7616991a78dfde44043a60a32cee4f145c Signed-off-by: Ronald G. Minnich <rminnich@google.com> Reviewed-on: https://gerrit.chromium.org/gerrit/61513 Reviewed-by: David Hendricks <dhendrix@chromium.org> Commit-Queue: Ronald G. Minnich <rminnich@chromium.org> Tested-by: Ronald G. Minnich <rminnich@chromium.org> Reviewed-on: http://review.coreboot.org/4363 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Diffstat (limited to 'src/mainboard/google/pit/mainboard.c')
-rw-r--r--src/mainboard/google/pit/mainboard.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/src/mainboard/google/pit/mainboard.c b/src/mainboard/google/pit/mainboard.c
index 515424a490..3f04eec2a3 100644
--- a/src/mainboard/google/pit/mainboard.c
+++ b/src/mainboard/google/pit/mainboard.c
@@ -146,13 +146,8 @@ static const struct parade_write parade_writes[] = {
{ 0x01, 0xca, 0x01 },
/* DPCD40B, Initial Code minor revision '05' */
{ 0x01, 0xcb, 0x05 },
- /* DPCD720, Select internal PWM */
- { 0x01, 0xa5, 0xa0 },
- /*
- * FFh for 100% PWM of brightness, 0h for 0%
- * brightness
- */
- { 0x01, 0xa7, 0xff },
+ /* DPCD720, Select external PWM */
+ { 0x01, 0xa5, 0x80 },
/*
* Set LVDS output as 6bit-VESA mapping,
* single LVDS channel