int hdmi_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
struct device *dev = hdev->dev;
if (!pm_runtime_suspended(hdev->dev) && !hdev->hpd_user_checked)
ctrl->value = hdmi_hpd_status(hdev);
else
ctrl->value = atomic_read(&hdev->hpd_state);
dev_dbg(dev, "HDMI cable is %s\n", ctrl->value ?
"connected" : "disconnected");
return 0;
}
int platform_ap_hdmi_hdcp_auth(struct sii8240_data *sii8240)
{
int ret = 0;
if (!sii8240->ap_hdcp_success) {
if (!hdmi_hpd_status()) {
pr_info("sii8240: HDMI hpd is low\n");
return 0;
}
sii8240->mhl_ddc_bypass(true);
hdcp_ctrl_global->hdcp_state = HDCP_STATE_AUTHENTICATING;
ret = hdmi_hdcp_authentication_part1(hdcp_ctrl_global);
sii8240->mhl_ddc_bypass(false);
if (ret) {
pr_err("%s: HDMI HDCP Auth Part I failed\n", __func__);
return ret;
}
hdcp_ctrl_global->hdcp_state = HDCP_STATE_AUTHENTICATED;
sii8240->ap_hdcp_success = true;
msleep(100);
}
return ret;
}
bool platform_hdmi_hpd_status(void)
{
return hdmi_hpd_status();
}