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| author | AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> | 2023-04-03 16:30:53 +0300 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@gmail.com> | 2023-04-06 17:23:22 +0300 |
| commit | 36dd7f530ae7d9ce9e853ffb8aa337de65c6600b (patch) | |
| tree | 5d53f90cf585de8ea5c14f47c554d6c7a4d84db1 /drivers/pwm/pwm-sti.c | |
| parent | fa359c1938adbd04cf7e68786ea58366dddc3ad7 (diff) | |
| download | linux-36dd7f530ae7d9ce9e853ffb8aa337de65c6600b.tar.xz | |
pwm: mtk-disp: Disable shadow registers before setting backlight values
If shadow registers usage is not desired, disable that before performing
any write to CON0/1 registers in the .apply() callback, otherwise we may
lose clkdiv or period/width updates.
Fixes: cd4b45ac449a ("pwm: Add MediaTek MT2701 display PWM driver support")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Tested-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
Tested-by: Alexandre Mergnat <amergnat@baylibre.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm/pwm-sti.c')
0 files changed, 0 insertions, 0 deletions