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path: root/kernel/drivers/gpu/drm/tilcdc/tilcdc_panel.c
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Diffstat (limited to 'kernel/drivers/gpu/drm/tilcdc/tilcdc_panel.c')
-rw-r--r--kernel/drivers/gpu/drm/tilcdc/tilcdc_panel.c22
1 files changed, 7 insertions, 15 deletions
diff --git a/kernel/drivers/gpu/drm/tilcdc/tilcdc_panel.c b/kernel/drivers/gpu/drm/tilcdc/tilcdc_panel.c
index 7a0315855..0af8bed7c 100644
--- a/kernel/drivers/gpu/drm/tilcdc/tilcdc_panel.c
+++ b/kernel/drivers/gpu/drm/tilcdc/tilcdc_panel.c
@@ -375,25 +375,17 @@ static int panel_probe(struct platform_device *pdev)
dev_info(&pdev->dev, "found backlight\n");
}
- panel_mod->enable_gpio = devm_gpiod_get(&pdev->dev, "enable");
+ panel_mod->enable_gpio = devm_gpiod_get_optional(&pdev->dev, "enable",
+ GPIOD_OUT_LOW);
if (IS_ERR(panel_mod->enable_gpio)) {
ret = PTR_ERR(panel_mod->enable_gpio);
- if (ret != -ENOENT) {
- dev_err(&pdev->dev, "failed to request enable GPIO\n");
- goto fail_backlight;
- }
-
- /* Optional GPIO is not here, continue silently. */
- panel_mod->enable_gpio = NULL;
- } else {
- ret = gpiod_direction_output(panel_mod->enable_gpio, 0);
- if (ret < 0) {
- dev_err(&pdev->dev, "failed to setup GPIO\n");
- goto fail_backlight;
- }
- dev_info(&pdev->dev, "found enable GPIO\n");
+ dev_err(&pdev->dev, "failed to request enable GPIO\n");
+ goto fail_backlight;
}
+ if (panel_mod->enable_gpio)
+ dev_info(&pdev->dev, "found enable GPIO\n");
+
mod = &panel_mod->base;
pdev->dev.platform_data = mod;