Ticket #462 (closed defect: fixed)

Opened 6 years ago

Last modified 6 years ago

u-boot has no backlight control on GTA01Bv4

Reported by: mickey@… Owned by: laforge@…
Priority: high Milestone:
Component: u-boot Version: unspecified
Severity: normal Keywords:
Cc: buglog@… Blocked By:
Blocking: Estimated Completion (week):
HasPatchForReview: PatchReviewResult:
Reproducible:

Description

When I turn on Bv4, I first see the backlight being turned on, then I see 1
second full white, then the vibrator pulse and the splash screen kicks in.

On Bv3 all this happens instantaneously.

Change History

comment:1 Changed 6 years ago by mickey@…

Further experimentation indicates that it's just that the backlight goes on even
if I press the power on button for shorter than 3 seconds.

comment:2 Changed 6 years ago by laforge@…

  • Status changed from new to assigned
  • Summary changed from U-Boot on Bv4 lags at poweron to u-boot has no backlight control on GTA01Bv4

yes, known issue. some gpio is probably initialized the wrong way. seems to be
related to 'neo1973 backlight off' not working on Bv4 in u-boot.

Easy to fix, will look at it later today.

comment:3 Changed 6 years ago by laforge@…

This should be fixed in current svn now. please test with recent u-boot and
mark as FIXED if the problem is gone now.

comment:4 Changed 6 years ago by laforge@…

  • Status changed from assigned to closed
  • Resolution set to fixed

works for me now.

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