Re: [PATCH v2] Input: goodix - Fix touch coords on WinBook TW100 and TW700

From: Bastien Nocera
Date: Fri Jul 24 2015 - 12:09:33 EST


On Fri, 2015-07-24 at 09:08 -0700, Dmitry Torokhov wrote:
> On Fri, Jul 24, 2015 at 01:13:24PM +0200, Bastien Nocera wrote:
> > On Thu, 2015-07-23 at 14:56 -0700, Dmitry Torokhov wrote:
> > > Hi Bastien,
> > >
> > > On Thu, Jul 23, 2015 at 04:13:28PM +0200, Bastien Nocera wrote:
> > > > The touchscreen on the WinBook TW100 and TW700 don't match the
> > > > default
> > > > display, with 0,0 touches being reported when touching at the
> > > > bottom
> > > > right of the screen.
> > > >
> > > > 1280,800 0,800
> > > > +-------------+
> > > > | |
> > > > | |
> > > > | |
> > > > +-------------+
> > > > 1280,0 0,0
> > > >
> > > > It's unfortunately impossible to detect this problem with data
> > > > from
> > > > the
> > > > DSDT, or other auxiliary metadata, so fallback to quirking this
> > > >
> > > > specific
> > > > model of tablet instead.
> > > >
> > > > Signed-off-by: Bastien Nocera <hadess@xxxxxxxxxx>
> > > > Reviewed-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
> > > > ---
> > > > drivers/input/touchscreen/goodix.c | 31
> > > > +++++++++++++++++++++++++++++++
> > > > 1 file changed, 31 insertions(+)
> > > >
> > > > diff --git a/drivers/input/touchscreen/goodix.c
> > > > b/drivers/input/touchscreen/goodix.c
> > > > index b4d12e2..3722806 100644
> > > > --- a/drivers/input/touchscreen/goodix.c
> > > > +++ b/drivers/input/touchscreen/goodix.c
> > > > @@ -15,6 +15,7 @@
> > > > */
> > > >
> > > > #include <linux/kernel.h>
> > > > +#include <linux/dmi.h>
> > > > #include <linux/i2c.h>
> > > > #include <linux/input.h>
> > > > #include <linux/input/mt.h>
> > > > @@ -34,6 +35,7 @@ struct goodix_ts_data {
> > > > int abs_y_max;
> > > > unsigned int max_touch_num;
> > > > unsigned int int_trigger_type;
> > > > + bool rotated_screen;
> > > > };
> > > >
> > > > #define GOODIX_MAX_HEIGHT 4096
> > > > @@ -60,6 +62,24 @@ static const unsigned long
> > > > goodix_irq_flags[] =
> > > > {
> > > > IRQ_TYPE_LEVEL_HIGH,
> > > > };
> > > >
> > > > +/* Those tablets have their coords origin at the bottom right
> > > > + * of the tablet, as if rotated 180 degrees */
> > >
> > > /*
> > > * Multi
> > > * line
> > > * comment
> > > */
> > >
> > > please.
> >
> > Would be good if checkpatch could check for that, or is it a
> > personal
> > request?
>
> CodingStyle chapter 8.


OK, thanks for the notice :)
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