omapdrm: omapdss_hdmi_ops: add lost_hotplug op
The CEC framework needs to know when the hotplug detect signal
disappears, since that means the CEC physical address has to be
invalidated (i.e. set to f.f.f.f).
Add a lost_hotplug op that is called when the HPD signal goes away.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c b/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c
index d9d25df..4600d38 100644
--- a/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c
+++ b/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c
@@ -165,11 +165,15 @@ static bool hdmic_detect(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
struct omap_dss_device *in = ddata->in;
+ bool connected;
if (gpio_is_valid(ddata->hpd_gpio))
- return gpio_get_value_cansleep(ddata->hpd_gpio);
+ connected = gpio_get_value_cansleep(ddata->hpd_gpio);
else
- return in->ops.hdmi->detect(in);
+ connected = in->ops.hdmi->detect(in);
+ if (!connected && in->ops.hdmi->lost_hotplug)
+ in->ops.hdmi->lost_hotplug(in);
+ return connected;
}
static int hdmic_register_hpd_cb(struct omap_dss_device *dssdev,