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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>
This commit is contained in:
Andrzej Hajda 2015-09-25 14:48:21 +02:00 committed by Inki Dae
parent 2445c4a44f
commit 498d5a373a
1 changed files with 11 additions and 13 deletions
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24
drivers/gpu/drm/exynos/exynos_hdmi.c
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@ -1803,19 +1803,17 @@ static int hdmi_resources_init(struct hdmi_context *hdata)
} }
res->regul_count = ARRAY_SIZE(supply); res->regul_count = ARRAY_SIZE(supply);
res->reg_hdmi_en = devm_regulator_get(dev, "hdmi-en"); res->reg_hdmi_en = devm_regulator_get_optional(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"); if (PTR_ERR(res->reg_hdmi_en) == -ENODEV)
return 0;
if (IS_ERR(res->reg_hdmi_en))
return PTR_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);
ret = regulator_enable(res->reg_hdmi_en); if (ret)
if (ret) { DRM_ERROR("failed to enable hdmi-en regulator\n");
DRM_ERROR("failed to enable hdmi-en regulator\n");
return ret;
}
} else
res->reg_hdmi_en = NULL;
return ret; return ret;
fail: fail:
@ -2050,7 +2048,7 @@ static int hdmi_remove(struct platform_device *pdev)
pm_runtime_disable(&pdev->dev); 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); regulator_disable(hdata->res.reg_hdmi_en);
if (hdata->hdmiphy_port) if (hdata->hdmiphy_port)