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| author |   Meghana Madhyastha <meghana.madhyastha@gmail.com> | 2018-01-24 16:40:51 +0000 |
|---|---|---|
| committer |   Sean Paul <seanpaul@chromium.org> | 2018-02-20 11:07:22 -0500 |
| commit | c69f94570d7ab4c8cbc5ba14729cc73a7dbdbfec (patch) | |
| tree | 30e48a526fb8d7c68da4ee9e4a488ff680e6401b /drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c | |
| parent | drm/omapdrm: Use backlight_enable/disable helpers (diff) | |
| download | linux-dev-c69f94570d7ab4c8cbc5ba14729cc73a7dbdbfec.tar.xz linux-dev-c69f94570d7ab4c8cbc5ba14729cc73a7dbdbfec.zip | |
drm/panel: Use of_find_backlight helper
Replace of_find_backlight_by_node and of the code around it
with of_find_backlight helper to avoid repetition of code.
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Meghana Madhyastha <meghana.madhyastha@gmail.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/140d01afb138d687680b2d1776a4c101c9fa9a0a.1516810725.git.meghana.madhyastha@gmail.com
Diffstat (limited to 'drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c | 27 |
1 files changed, 4 insertions, 23 deletions
diff --git a/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c index 8a5137963c7d..494aa9b1628a 100644 --- a/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c +++ b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c @@ -253,8 +253,6 @@ static const struct drm_panel_funcs sharp_nt_panel_funcs = { static int sharp_nt_panel_add(struct sharp_nt_panel *sharp_nt) { struct device *dev = &sharp_nt->dsi->dev; - struct device_node *np; - int ret; sharp_nt->mode = &default_mode; @@ -271,39 +269,22 @@ static int sharp_nt_panel_add(struct sharp_nt_panel *sharp_nt) gpiod_set_value(sharp_nt->reset_gpio, 0); } - np = of_parse_phandle(dev->of_node, "backlight", 0); - if (np) { - sharp_nt->backlight = of_find_backlight_by_node(np); - of_node_put(np); + sharp_nt->backlight = devm_of_find_backlight(dev); - if (!sharp_nt->backlight) - return -EPROBE_DEFER; - } + if (IS_ERR(sharp_nt->backlight)) + return PTR_ERR(sharp_nt->backlight); drm_panel_init(&sharp_nt->base); sharp_nt->base.funcs = &sharp_nt_panel_funcs; sharp_nt->base.dev = &sharp_nt->dsi->dev; - ret = drm_panel_add(&sharp_nt->base); - if (ret < 0) - goto put_backlight; - - return 0; - -put_backlight: - if (sharp_nt->backlight) - put_device(&sharp_nt->backlight->dev); - - return ret; + return drm_panel_add(&sharp_nt->base); } static void sharp_nt_panel_del(struct sharp_nt_panel *sharp_nt) { if (sharp_nt->base.dev) drm_panel_remove(&sharp_nt->base); - - if (sharp_nt->backlight) - put_device(&sharp_nt->backlight->dev); } static int sharp_nt_panel_probe(struct mipi_dsi_device *dsi) |