diff options
| author |   Lucas Stach <l.stach@pengutronix.de> | 2019-07-08 14:41:29 +0200 |
|---|---|---|
| committer |   Lee Jones <lee.jones@linaro.org> | 2019-08-12 09:11:10 +0100 |
| commit | 865cac14c2dac2fa5f16d1781ca2746b0d323796 (patch) | |
| tree | 40a03d3d50dfcbad1fe34759e471c351aac7b72d /drivers/video | |
| parent | Linus 5.3-rc1 (diff) | |
| download | linux-dev-865cac14c2dac2fa5f16d1781ca2746b0d323796.tar.xz linux-dev-865cac14c2dac2fa5f16d1781ca2746b0d323796.zip | |
backlight: rave-sp: Leave initial state and register with correct device
This way the backlight can be referenced through its device node and
enabling/disabling can be managed through the panel driver.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/backlight/rave-sp-backlight.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/video/backlight/rave-sp-backlight.c b/drivers/video/backlight/rave-sp-backlight.c index 462f14a1b19d..05b5f003a3d1 100644 --- a/drivers/video/backlight/rave-sp-backlight.c +++ b/drivers/video/backlight/rave-sp-backlight.c @@ -48,14 +48,20 @@ static int rave_sp_backlight_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct backlight_device *bd; - bd = devm_backlight_device_register(dev, pdev->name, dev->parent, + bd = devm_backlight_device_register(dev, pdev->name, dev, dev_get_drvdata(dev->parent), &rave_sp_backlight_ops, &rave_sp_backlight_props); if (IS_ERR(bd)) return PTR_ERR(bd); - backlight_update_status(bd); + /* + * If there is a phandle pointing to the device node we can + * assume that another device will manage the status changes. + * If not we make sure the backlight is in a consistent state. + */ + if (!dev->of_node->phandle) + backlight_update_status(bd); return 0; } |