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authorAndrzej Hajda <a.hajda@samsung.com>2015-09-25 14:48:21 +0200
committerInki Dae <daeinki@gmail.com>2015-10-26 15:09:43 +0900
commit498d5a373ac4aa20d7ad63770f2196922ae2f26c (patch)
tree8278472924aa5043aaceb892c3192c9a7b7e3056 /drivers/gpu/drm/exynos
parent2445c4a44f200a3137dbaaa3603f2f095c9fdd45 (diff)
drm/exynos/hdmi: use optional regulator_get for hdmi-en
hdmi-en is an optional regulator so it should be better handled by devm_regulator_get_optional call. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos')
-rw-r--r--drivers/gpu/drm/exynos/exynos_hdmi.c24
1 files changed, 11 insertions, 13 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 725ddb58a624..841470ca7c77 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -1803,19 +1803,17 @@ static int hdmi_resources_init(struct hdmi_context *hdata)
}
res->regul_count = ARRAY_SIZE(supply);
- res->reg_hdmi_en = devm_regulator_get(dev, "hdmi-en");
- if (IS_ERR(res->reg_hdmi_en) && PTR_ERR(res->reg_hdmi_en) != -ENOENT) {
- DRM_ERROR("failed to get hdmi-en regulator\n");
+ res->reg_hdmi_en = devm_regulator_get_optional(dev, "hdmi-en");
+
+ if (PTR_ERR(res->reg_hdmi_en) == -ENODEV)
+ return 0;
+
+ if (IS_ERR(res->reg_hdmi_en))
return PTR_ERR(res->reg_hdmi_en);
- }
- if (!IS_ERR(res->reg_hdmi_en)) {
- ret = regulator_enable(res->reg_hdmi_en);
- if (ret) {
- DRM_ERROR("failed to enable hdmi-en regulator\n");
- return ret;
- }
- } else
- res->reg_hdmi_en = NULL;
+
+ ret = regulator_enable(res->reg_hdmi_en);
+ if (ret)
+ DRM_ERROR("failed to enable hdmi-en regulator\n");
return ret;
fail:
@@ -2050,7 +2048,7 @@ static int hdmi_remove(struct platform_device *pdev)
pm_runtime_disable(&pdev->dev);
- if (hdata->res.reg_hdmi_en)
+ if (!IS_ERR(hdata->res.reg_hdmi_en))
regulator_disable(hdata->res.reg_hdmi_en);
if (hdata->hdmiphy_port)