[Letux-kernel] [PATCH v5 3/5] misc serdev: Add w2sg0004 (gps receiver) power control driver

Johan Hovold johan at kernel.org
Mon Mar 19 15:05:55 CET 2018


On Wed, Mar 07, 2018 at 04:53:12PM +0100, H. Nikolaus Schaller wrote:

> If I look for example at the camera module drivers provided by
> drivers/media/i2c, most of them could be easily power-controlled from
> user-space by i2c-tools and 1-2 gpios through /sys/class/gpio and
> a big set of scripts.
> 
> Still they have a place in the kernel and cameras are powered on
> if the device is opened and powered down if it is closed.
> 
> So I am still trying to understand the rationale and logic (if one exists)
> behind having them in kernel but rejecting our driver which does the
> same for a different class of devices.

For media we have a framework in place; for gps we do not (yet).

Johan


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