hdmitx: fix a resmue panic isse [1/1]
authorZongdong Jiao <zongdong.jiao@amlogic.com>
Thu, 13 Dec 2018 05:31:27 +0000 (13:31 +0800)
committerLuan Yuan <luan.yuan@amlogic.com>
Thu, 13 Dec 2018 11:44:17 +0000 (19:44 +0800)
commit565b50a4e05eff2f9fb11047448a82e328495084
treecf5b485845f8fb8847f78eb6d7336741c3b456f5
parent5cf35a1239a5c7e4027fc12d063da0e2c4df53a7
hdmitx: fix a resmue panic isse [1/1]

PD#SWPL-3188

Problem:
When HDMI cable is not connected(that is CVBS out), and system
may be panic after resume.

Solution:
Add NULL pointer protection check

Verify:
P212

Change-Id: I60818faaf7049667501e31990fa557b754ea7f1b
Signed-off-by: Zongdong Jiao <zongdong.jiao@amlogic.com>
drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hdmi_tx_main.c