staging: most: core: make sysfs attributes read-only

This patch changes the access flags of the channel attributes to
read-only. This is needed, because configuration is done via configfs.

Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed