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Fix backlight sync on suspend_power_down for split keyboards #21079

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merged 1 commit into from
May 31, 2023

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zzeneg
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@zzeneg zzeneg commented May 29, 2023

Description

With split keyboards, when PC goes to sleep, only master side turns backlight off.

This happens because suspend_power_down_quantum uses backlight_set which does not update in-memory config and just turns off pins. Backlight split sync uses the config to get current level value, so we must set it with backlight_level_noeeprom.
I also updated handling sync on the slave side to use same function, while technically it's not required for the fix, I think keeping the correct value in config makes sense.
Discussed in discord https://discord.com/channels/440868230475677696/440868230475677698/1112672499780571166

Reproduced and tested on my keyboard.

I put the PR to develop branch as per guidelines, however if you think it can be merged to master since it's a small bugfix, let me know and I can change target branch.

Types of Changes

  • Core
  • Bugfix
  • New feature
  • Enhancement/optimization
  • Keyboard (addition or update)
  • Keymap/layout/userspace (addition or update)
  • Documentation

Issues Fixed or Closed by This PR

I found two issues related to that
#19032
#14851

Checklist

  • My code follows the code style of this project: C, Python
  • I have read the PR Checklist document and have made the appropriate changes.
  • My change requires a change to the documentation.
  • I have updated the documentation accordingly.
  • I have read the CONTRIBUTING document.
  • I have added tests to cover my changes.
  • I have tested the changes and verified that they work and don't break anything (as well as I can manage).

@github-actions github-actions bot added the core label May 29, 2023
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can confirm. backlight_set never actually sets the backlight level so the split syncing never actually syncs anything unless it's off.

backlight_level_noeeprom sets the level so that the split sync code can properly pull it, and then runs backlight_set.

@drashna drashna added the bug label May 29, 2023
@drashna drashna merged commit 04719c7 into qmk:develop May 31, 2023
3 of 4 checks passed
@zzeneg zzeneg deleted the feature/fix-backlight-sync branch May 31, 2023 18:56
freznel10 added a commit to freznel10/qmk_firmware that referenced this pull request Jun 2, 2023
commit ef788c6
Merge: aa33fb0 ae5bcaa
Author: QMK Bot <[email protected]>
Date:   Fri Jun 2 07:46:36 2023 +0000

    Merge remote-tracking branch 'origin/master' into develop

commit ae5bcaa
Author: yiancar <[email protected]>
Date:   Fri Jun 2 08:45:54 2023 +0100

    [keyboard] Phoenix (qmk#21051)

    * Update keyboards/cablecardesigns/phoenix/

commit aa33fb0
Author: Joel Challis <[email protected]>
Date:   Fri Jun 2 02:45:48 2023 +0100

    Revert "Add *_MATRIX_LED_COUNT generation/validation (qmk#19515)" (qmk#21109)

    This reverts commit 25c16b3.

commit 25c16b3
Author: Joel Challis <[email protected]>
Date:   Fri Jun 2 02:42:49 2023 +0100

    Add *_MATRIX_LED_COUNT generation/validation (qmk#19515)

    * Add *_MATRIX_LED_COUNT parsing/validation

    * Disable parsing for now

    * Disable complexity check

commit 0a3ec7f
Author: Joel Challis <[email protected]>
Date:   Thu Jun 1 21:12:25 2023 +0100

    Merge upstream uf2conv.py changes (qmk#21107)

commit a4ed6ad
Author: Ryan <[email protected]>
Date:   Fri Jun 2 02:25:08 2023 +1000

    Unicodemap keycodes rename (qmk#21092)

commit 45c9bc4
Merge: 857e9b7 b110a09
Author: QMK Bot <[email protected]>
Date:   Thu Jun 1 14:11:31 2023 +0000

    Merge remote-tracking branch 'origin/master' into develop

commit b110a09
Author: DeskDaily <[email protected]>
Date:   Thu Jun 1 22:10:47 2023 +0800

    [Keyboard] Add lightweight65 keyboard (qmk#21034)

    Co-authored-by: Neil Brian Ramirez <[email protected]>
    Co-authored-by: Neil Brian Ramirez <[email protected]>

commit 857e9b7
Merge: 6156972 c805c10
Author: QMK Bot <[email protected]>
Date:   Thu Jun 1 09:26:41 2023 +0000

    Merge remote-tracking branch 'origin/master' into develop

commit c805c10
Author: Sergi Meseguer <[email protected]>
Date:   Thu Jun 1 11:25:49 2023 +0200

    [Keymap] z12 zigotica keymap tweaks (qmk#20990)

commit 0c9c4a4
Author: adiabatic <[email protected]>
Date:   Thu Jun 1 02:25:33 2023 -0700

    [Keymap] `zweihander-macos`: Don’t pretend to be a mouse (qmk#20997)

commit 6156972
Merge: 5a26e5e 81bc092
Author: QMK Bot <[email protected]>
Date:   Wed May 31 19:03:39 2023 +0000

    Merge remote-tracking branch 'origin/master' into develop

commit 81bc092
Author: kkokdae <[email protected]>
Date:   Thu Jun 1 04:02:58 2023 +0900

    [Keymap] Modify kkokdae keymap for keyboardio/atreus (qmk#21037)

commit 5a26e5e
Author: 3araht <[email protected]>
Date:   Thu Jun 1 03:48:56 2023 +0900

    [Keymap] transpose added to giabalanai keymaps (qmk#21054)

commit 6a2de56
Merge: 04719c7 c2ddd77
Author: QMK Bot <[email protected]>
Date:   Wed May 31 18:47:46 2023 +0000

    Merge remote-tracking branch 'origin/master' into develop

commit c2ddd77
Author: CoffeeIsLife <[email protected]>
Date:   Wed May 31 13:46:59 2023 -0500

    [Keymap] Cleanup coffeeislife87 keymap and remove features (qmk#21061)

    Co-authored-by: Drashna Jaelre <[email protected]>
    Co-authored-by: Fae <[email protected]>

commit 04719c7
Author: Evgenii Vilkov <[email protected]>
Date:   Wed May 31 20:46:03 2023 +0200

    Fix backlight sync on suspend_power_down for split keyboards (qmk#21079)

commit b3a7f80
Merge: cc11b63 3a3e5ab
Author: QMK Bot <[email protected]>
Date:   Wed May 31 18:44:47 2023 +0000

    Merge remote-tracking branch 'origin/master' into develop

commit 3a3e5ab
Author: Drashna Jaelre <[email protected]>
Date:   Wed May 31 11:44:06 2023 -0700

    [Keymap] Drashna Keymap updates for 0.21.0 (qmk#21073)

commit cc11b63
Merge: 23658cf 1411c79
Author: QMK Bot <[email protected]>
Date:   Tue May 30 18:25:04 2023 +0000

    Merge remote-tracking branch 'origin/master' into develop

commit 1411c79
Author: Sergey Vlasov <[email protected]>
Date:   Tue May 30 21:24:19 2023 +0300

    `qmk find`: Fix handling of functions in filters (qmk#21090)

    Functions in filters did not work properly except when used in the last
    (or only) filter.  The problem was caused by the peculiarity of the
    `lambda` behavior in Python — any variables from the outer scope are
    captured only by reference, therefore any subsequent reassignment of
    those variables is propagated to all lambdas created earlier in the same
    scope.  Together with the laziness of `filter()` (it returns an iterator
    which performs filtering on demand) this resulted in all function
    filters using the values of the `key` and `value` variables which
    correspond to the last filter in the sequence, therefore the result of
    filtering was wrong if some filter with a function was not the last one
    in the sequence.

    Apparently the shortest way to make a Python lambda capture some
    variables by value is to add arguments with default values for such
    variables (default values are evaluated when the lambda is created, and
    any subsequent reassignments in the outer scope no longer changes them).
    This makes filters with functions work properly even when such filters
    are not at the last position in the sequence.

commit 23658cf
Merge: ffeaf46 913691b
Author: QMK Bot <[email protected]>
Date:   Tue May 30 01:11:34 2023 +0000

    Merge remote-tracking branch 'origin/master' into develop

commit 913691b
Author: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Date:   Tue May 30 02:10:57 2023 +0100

    Bump tj-actions/changed-files from 35 to 36 (qmk#21058)

    Bumps [tj-actions/changed-files](https://github.com/tj-actions/changed-files) from 35 to 36.
    - [Release notes](https://github.com/tj-actions/changed-files/releases)
    - [Changelog](https://github.com/tj-actions/changed-files/blob/main/HISTORY.md)
    - [Commits](tj-actions/changed-files@v35...v36)

    ---
    updated-dependencies:
    - dependency-name: tj-actions/changed-files
      dependency-type: direct:production
      update-type: version-update:semver-major
    ...

    Signed-off-by: dependabot[bot] <[email protected]>
    Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

commit ffeaf46
Merge: 0ffa4ef 1e2dedd
Author: QMK Bot <[email protected]>
Date:   Tue May 30 01:08:54 2023 +0000

    Merge remote-tracking branch 'origin/master' into develop

commit 1e2dedd
Author: precondition <[email protected]>
Date:   Tue May 30 03:08:15 2023 +0200

    Remove outdated remarks regarding the default MT behavior (qmk#21077)
jesperhellberg pushed a commit to jesperhellberg/qmk_firmware that referenced this pull request Sep 9, 2023
thismarvin pushed a commit to thismarvin/qmk_firmware that referenced this pull request Sep 27, 2023
akeep pushed a commit to akeep/qmk_firmware that referenced this pull request Oct 2, 2023
csolje pushed a commit to csolje/qmk_firmware that referenced this pull request Oct 21, 2023
jashort pushed a commit to jashort/qmk_firmware that referenced this pull request Nov 20, 2023
autoferrit pushed a commit to SpaceRockMedia/bastardkb-qmk that referenced this pull request Dec 8, 2023
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3 participants