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From: Philipp Zabel
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Date: Wed, 20 Apr 2016 11:00:03 +0200
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Cc: Jean-Francois Moine , Koro Chen ,
Lars-Peter Clausen ,
Russell King - ARM Linux ,
Philipp Zabel ,
Arnaud Pouliquen ,
Liam Girdwood , Jyri Sarha ,
Cawa Cheng , Mark Brown ,
linux-mediatek@lists.infradead.org, Daniel Kurtz ,
kernel@pengutronix.de, PC Liao ,
Matthias Brugger
Subject: [alsa-devel] [PATCH v7 8/9] drm/mediatek: hdmi: issue notifications
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Issue hot-plug detection, EDID update, and ELD update notifications
from the CEC and HDMI drivers.
Signed-off-by: Philipp Zabel
---
drivers/gpu/drm/mediatek/mtk_cec.c | 11 +++++++++++
drivers/gpu/drm/mediatek/mtk_hdmi.c | 3 +++
2 files changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_cec.c b/drivers/gpu/drm/mediatek/mtk_cec.c
index 7a3eb8c..f78a73c 100644
--- a/drivers/gpu/drm/mediatek/mtk_cec.c
+++ b/drivers/gpu/drm/mediatek/mtk_cec.c
@@ -13,6 +13,7 @@
*/
#include
#include
+#include
#include
#include
#include
@@ -105,6 +106,12 @@ void mtk_cec_set_hpd_event(struct device *dev,
cec->hdmi_dev = hdmi_dev;
cec->hpd_event = hpd_event;
spin_unlock_irqrestore(&cec->lock, flags);
+
+ /* Initial notification event to set jack state */
+ if (mtk_cec_hpd_high(dev))
+ hdmi_event_connect(hdmi_dev);
+ else
+ hdmi_event_disconnect(hdmi_dev);
}
bool mtk_cec_hpd_high(struct device *dev)
@@ -179,6 +186,10 @@ static irqreturn_t mtk_cec_htplg_isr_thread(int irq, void *arg)
if (cec->hpd != hpd) {
dev_dbg(dev, "hotplug event! cur hpd = %d, hpd = %d\n",
cec->hpd, hpd);
+ if (hpd)
+ hdmi_event_connect(cec->hdmi_dev);
+ else
+ hdmi_event_disconnect(cec->hdmi_dev);
cec->hpd = hpd;
mtk_cec_hpd_event(cec, hpd);
}
diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
index 21ea430..06e3811 100644
--- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
@@ -20,6 +20,7 @@
#include
#include
#include
+#include
#include
#include
#include
@@ -1226,9 +1227,11 @@ static int mtk_hdmi_conn_get_modes(struct drm_connector *conn)
hdmi->dvi_mode = !drm_detect_monitor_audio(edid);
drm_mode_connector_update_edid_property(conn, edid);
+ hdmi_event_new_edid(hdmi->dev, edid, sizeof(*edid));
ret = drm_add_edid_modes(conn, edid);
drm_edid_to_eld(conn, edid);
+ hdmi_event_new_eld(hdmi->dev, conn->eld);
kfree(edid);
return ret;
}