From: Joao Pinto <Joao.Pinto@synopsys.com>
To: <linux-media@vger.kernel.org>
Subject: Request for help: HDLCD Controller
Date: Tue, 23 Jun 2015 11:42:11 +0100 [thread overview]
Message-ID: <55893803.6080407@synopsys.com> (raw)
Hi!
I am developing a system in which the video support is made through two ARM'
HDLCD Controller and two TDA998x HDMI PHYs.
When I try to load ARM' HDLCD driver (hdlcd), it fails when it tries to bind
with the drm subsystem:
root@genericarmv8:~# modprobe hdlcd
[drm] found ARM HDLCD version r0p0
hdlcd 7ff50000.hdlcd: master bind failed: -517
[drm] found ARM HDLCD version r0p0
hdlcd 7ff60000.hdlcd: master bind failed: -517
The kernel has the controllers mapped in the I2C bus:
root@genericarmv8:/sys/bus/i2c/drivers/tda998x# ls -l
total 0
lrwxrwxrwx 1 root root 0 Nov 6 00:44 0-0070 ->
../../../../devices/platform/7ffa0000.i2c/i2c-0/0-0070
lrwxrwxrwx 1 root root 0 Nov 6 00:44 0-0071 ->
../../../../devices/platform/7ffa0000.i2c/i2c-0/0-0071
--w------- 1 root root 4096 Nov 6 00:44 bind
--w------- 1 root root 4096 Nov 6 00:44 uevent
--w------- 1 root root 4096 Nov 6 00:44 unbind
I know that this driver is not supported in the mainline yet, but did anyone
face a similar problem?
Thank you very much for your time!
Regards,
Joao
reply other threads:[~2015-06-23 10:42 UTC|newest]
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