Re: [PATCH 0/2] Associate ddc adapters with connectors

[Andrzej Pietrasiewicz]

Hi Russell,

W dniu 25.06.2019 oÂ12:03, Russell King - ARM Linux admin pisze:
> On Tue, Jun 25, 2019 at 11:46:34AM +0200, Andrzej Pietrasiewicz wrote:
> > It is difficult for a user to know which of the i2c adapters is for which
> > drm connector. This series addresses this problem.
> >
> > The idea is to have a symbolic link in connector's sysfs directory, e.g.:
> >
> > ls -l /sys/class/drm/card0-HDMI-A-1/i2c-2
> > lrwxrwxrwx 1 root root 0 Jun 24 10:42 /sys/class/drm/card0-HDMI-A-1/i2c-2 \
> > 	-> ../../../../soc/13880000.i2c/i2c-2
>
> Don't you want the symlink name to be "i2c" or something fixed, rather
> than the name of the i2c adapter?  Otherwise, you seem to be encumbering
> userspace with searching the directory to try and find the symlink.

Thank you for your comment. So you imagine something on the lines of:

lrwxrwxrwx 1 root root 0 Jun 24 10:42 /sys/class/drm/card0-HDMI-A-1/ddc \
 	-> ../../../../soc/13880000.i2c/i2c-2

?

This makes sense to me, I will send a v2.

Andrzej