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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>
This commit is contained in:
Ronald G. Minnich 2013-07-10 17:27:45 -07:00 committed by Patrick Georgi
parent c0872f26d7
commit 0d0b6e20f5
1 changed files with 2 additions and 7 deletions
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9
src/mainboard/google/pit/mainboard.c
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@ -146,13 +146,8 @@ static const struct parade_write parade_writes[] = {
{ 0x01, 0xca, 0x01 }, { 0x01, 0xca, 0x01 },
/* DPCD40B, Initial Code minor revision '05' */ /* DPCD40B, Initial Code minor revision '05' */
{ 0x01, 0xcb, 0x05 }, { 0x01, 0xcb, 0x05 },
/* DPCD720, Select internal PWM */ /* DPCD720, Select external PWM */
{ 0x01, 0xa5, 0xa0 }, { 0x01, 0xa5, 0x80 },
/*
* FFh for 100% PWM of brightness, 0h for 0%
* brightness
*/
{ 0x01, 0xa7, 0xff },
/* /*
* Set LVDS output as 6bit-VESA mapping, * Set LVDS output as 6bit-VESA mapping,
* single LVDS channel * single LVDS channel