return hdmi_streamoff(hdev);
}
-static void hdmi_resource_poweron(struct hdmi_resources *res)
+static int hdmi_resource_poweron(struct hdmi_resources *res)
{
+ int ret;
+
/* turn HDMI power on */
- regulator_bulk_enable(res->regul_count, res->regul_bulk);
+ ret = regulator_bulk_enable(res->regul_count, res->regul_bulk);
+ if (ret < 0)
+ return ret;
/* power-on hdmi physical interface */
clk_enable(res->hdmiphy);
/* use VPP as parent clock; HDMIPHY is not working yet */
clk_set_parent(res->sclk_hdmi, res->sclk_pixel);
/* turn clocks on */
clk_enable(res->sclk_hdmi);
+
+ return 0;
}
static void hdmi_resource_poweroff(struct hdmi_resources *res)
int i;
for (i = 0; i < ARRAY_SIZE(hdmi_timings); i++)
- if (v4l_match_dv_timings(&hdmi_timings[i].dv_timings,
+ if (v4l2_match_dv_timings(&hdmi_timings[i].dv_timings,
timings, 0))
break;
if (i == ARRAY_SIZE(hdmi_timings)) {
{
struct v4l2_subdev *sd = dev_get_drvdata(dev);
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
- int ret = 0;
+ int ret;
dev_dbg(dev, "%s\n", __func__);
- hdmi_resource_poweron(&hdev->res);
+ ret = hdmi_resource_poweron(&hdev->res);
+ if (ret < 0)
+ return ret;
/* starting MHL */
ret = v4l2_subdev_call(hdev->mhl_sd, core, s_power, 1);
.runtime_resume = hdmi_runtime_resume,
};
+static void hdmi_resource_clear_clocks(struct hdmi_resources *res)
+{
+ res->hdmi = ERR_PTR(-EINVAL);
+ res->sclk_hdmi = ERR_PTR(-EINVAL);
+ res->sclk_pixel = ERR_PTR(-EINVAL);
+ res->sclk_hdmiphy = ERR_PTR(-EINVAL);
+ res->hdmiphy = ERR_PTR(-EINVAL);
+}
+
static void hdmi_resources_cleanup(struct hdmi_device *hdev)
{
struct hdmi_resources *res = &hdev->res;
regulator_bulk_free(res->regul_count, res->regul_bulk);
/* kfree is NULL-safe */
kfree(res->regul_bulk);
- if (!IS_ERR_OR_NULL(res->hdmiphy))
+ if (!IS_ERR(res->hdmiphy))
clk_put(res->hdmiphy);
- if (!IS_ERR_OR_NULL(res->sclk_hdmiphy))
+ if (!IS_ERR(res->sclk_hdmiphy))
clk_put(res->sclk_hdmiphy);
- if (!IS_ERR_OR_NULL(res->sclk_pixel))
+ if (!IS_ERR(res->sclk_pixel))
clk_put(res->sclk_pixel);
- if (!IS_ERR_OR_NULL(res->sclk_hdmi))
+ if (!IS_ERR(res->sclk_hdmi))
clk_put(res->sclk_hdmi);
- if (!IS_ERR_OR_NULL(res->hdmi))
+ if (!IS_ERR(res->hdmi))
clk_put(res->hdmi);
memset(res, 0, sizeof(*res));
+ hdmi_resource_clear_clocks(res);
}
static int hdmi_resources_init(struct hdmi_device *hdev)
dev_dbg(dev, "HDMI resource init\n");
memset(res, 0, sizeof(*res));
- /* get clocks, power */
+ hdmi_resource_clear_clocks(res);
+ /* get clocks, power */
res->hdmi = clk_get(dev, "hdmi");
if (IS_ERR(res->hdmi)) {
dev_err(dev, "failed to get clock 'hdmi'\n");