forked from Minki/linux
[media] s5p-tv: Don't ignore return value of regulator_bulk_enable() in hdmi_drv.c
This patch fixes following compilation warning: CC [M] drivers/media/platform/s5p-tv/hdmi_drv.o drivers/media/platform/s5p-tv/hdmi_drv.c: In function ‘hdmi_resource_poweron’: drivers/media/platform/s5p-tv/hdmi_drv.c:583:23: warning: ignoring return value of ‘regulator_bulk_enable’, declared with attribute warn_unused_result Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -576,16 +576,22 @@ static int hdmi_s_stream(struct v4l2_subdev *sd, int enable)
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return hdmi_streamoff(hdev);
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}
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static void hdmi_resource_poweron(struct hdmi_resources *res)
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static int hdmi_resource_poweron(struct hdmi_resources *res)
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{
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int ret;
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/* turn HDMI power on */
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regulator_bulk_enable(res->regul_count, res->regul_bulk);
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ret = regulator_bulk_enable(res->regul_count, res->regul_bulk);
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if (ret < 0)
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return ret;
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/* power-on hdmi physical interface */
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clk_enable(res->hdmiphy);
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/* use VPP as parent clock; HDMIPHY is not working yet */
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clk_set_parent(res->sclk_hdmi, res->sclk_pixel);
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/* turn clocks on */
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clk_enable(res->sclk_hdmi);
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return 0;
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}
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static void hdmi_resource_poweroff(struct hdmi_resources *res)
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@ -728,11 +734,13 @@ static int hdmi_runtime_resume(struct device *dev)
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{
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struct v4l2_subdev *sd = dev_get_drvdata(dev);
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struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
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int ret = 0;
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int ret;
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dev_dbg(dev, "%s\n", __func__);
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hdmi_resource_poweron(&hdev->res);
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ret = hdmi_resource_poweron(&hdev->res);
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if (ret < 0)
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return ret;
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/* starting MHL */
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ret = v4l2_subdev_call(hdev->mhl_sd, core, s_power, 1);
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