On Thu, Jun 07, 2018 at 12:07:13PM +0200, Hans de Goede wrote: > Some touchscreens, depending on the firmware and/or the digitizer report > coordinates which never reach 0 along one or both of their axis. > > This has been seen for example on the Silead touchscreens on a Onda V891w > and a Point of View mobii TAB-P800w(v2.0). > > This commits documents 2 new touchscreen properties for communicating > the minimum reported values to the OS: touchscreen-min-x and -min-y. > > This commit also drop the (in pixels) comment from the documentation > of the touchscreen-size-x and touchscreen-size-y properties. This comment > suggests that there is a relation between the range of reported > coordinates and the display resolution, which is only true for some > devices. The (in pixels) comment is replaced with "(maximum x coordinate > reported + 1)" to mirror the language describing the new touchscreen-min-x > and -min-y properties. > > Cc: robh@xxxxxxxxxx > Cc: devicetree@xxxxxxxxxxxxxxx > Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> > --- > Changes in v2: > -Split out from the patch implementing support for the properties > -Describe the changes to the touchscreen-size-x / -size-y description in > the commit message > --- > .../devicetree/bindings/input/touchscreen/touchscreen.txt | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) Reviewed-by: Rob Herring <robh@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
