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omapdrm: omapdss_hdmi_ops: add lost_hotplug op

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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>
This commit is contained in:
Hans Verkuil
2017-08-17 15:19:57 +02:00
committed by Tomi Valkeinen
parent 1897e1a394
commit 019114efd9
4 changed files with 18 additions and 5 deletions
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6
drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c
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@@ -159,8 +159,12 @@ static int tpd_read_edid(struct omap_dss_device *dssdev,
static bool tpd_detect(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
struct omap_dss_device *in = ddata->in;
bool connected = gpiod_get_value_cansleep(ddata->hpd_gpio);
return gpiod_get_value_cansleep(ddata->hpd_gpio);
if (!connected && in->ops.hdmi->lost_hotplug)
in->ops.hdmi->lost_hotplug(in);
return connected;
}
static int tpd_register_hpd_cb(struct omap_dss_device *dssdev,