Esempio n. 1
0
static int hdmi_panel_enable(struct omap_dss_device *dssdev)
{
	int r = 0;
	DSSDBG("ENTER hdmi_panel_enable\n");

	mutex_lock(&hdmi.hdmi_lock);

	if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) {
		r = -EINVAL;
		goto err;
	}

	/* Always re-detect HDMI device during resume */
	hdmi_panel_hpd_handler(hdmi_get_current_hpd());

	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
	r = omapdss_hdmi_display_enable(dssdev);
	if (r) {
		DSSERR("failed to power on\n");
		dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
		goto err;
	}

err:
	mutex_unlock(&hdmi.hdmi_lock);

	return r;
}
Esempio n. 2
0
static int hdmi_panel_resume(struct omap_dss_device *dssdev)
{
	int r = 0;

	mutex_lock(&hdmi.hdmi_lock);

	if (dssdev->state != OMAP_DSS_DISPLAY_SUSPENDED)
		goto err;

	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
err:
	mutex_unlock(&hdmi.hdmi_lock);

	hdmi_panel_hpd_handler(hdmi_get_current_hpd());

	return r;
}
Esempio n. 3
0
static int dss_resume_device(struct device *dev, void *data)
{
	int r;
	struct omap_dss_device *dssdev = to_dss_device(dev);

	if (!dssdev->activate_after_resume && !strcmp(dssdev->name, "hdmi")) {
		if (hdmi_get_current_hpd())
			hdmi_panel_hpd_handler(1);
	}

	if (dssdev->activate_after_resume && dssdev->driver->resume) {
		r = dssdev->driver->resume(dssdev);
		if (r)
			return r;
	}

	dssdev->activate_after_resume = false;

	return 0;
}
Esempio n. 4
0
static int hdmi_panel_resume(struct omap_dss_device *dssdev)
{
	int r = 0;

	HDMIDBG("ENTER state=%d \n", dssdev->state);
	mutex_lock(&hdmi.hdmi_lock);

	if (dssdev->state != OMAP_DSS_DISPLAY_SUSPENDED) {
		r = -EINVAL;
		goto err;
	}

	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
err:
	mutex_unlock(&hdmi.hdmi_lock);

	hdmi_panel_hpd_handler(hdmi_get_current_hpd());

	HDMIDBG("error:%d \n", r);
	return r;
}
static int hdmi_panel_suspend(struct omap_dss_device *dssdev)
{
	int r = 0;

	mutex_lock(&hdmi.hdmi_lock);

	if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) {
		r = -EINVAL;
		goto err;
	}

	dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;

	hdmi_panel_hpd_handler(0);

	omapdss_hdmi_display_disable(dssdev);
err:
	mutex_unlock(&hdmi.hdmi_lock);

	return r;
}