From: Augusto Destrero <destrero@imavis.com>
To: linux-media@vger.kernel.org
Subject: bttv-gpio.c
Date: Fri, 14 Oct 2011 16:11:49 +0200 [thread overview]
Message-ID: <201110141611.50034.destrero@imavis.com> (raw)
Hi,
I'm trying to understand how to control GPIOs on a bt878 card, as described in
this earlier post:
http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/39342
I came across the file bttv-gpio.c in drivers/media/video/bt8xx, and the
starting comment seems what I'm looking for:
"sysfs-based sub driver interface for bttv mainly intented for gpio access"
But I cannot understand how to enable this sysfs based access. Is there a
kernel configuration somewhere? Where the gpios are supposed to show up in
/sys?
Thank you in advance for your help and excuse me if my question is trivial.
--
Augusto Destrero, PhD
reply other threads:[~2011-10-14 14:11 UTC|newest]
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