[PATCHv6] staging/iio/adc: change the MXS touchscreen driver implementation

Dan Carpenter dan.carpenter at oracle.com
Mon Feb 24 09:47:17 EST 2014


On Mon, Feb 24, 2014 at 03:38:26PM +0100, Juergen Beisert wrote:
> Hi Dan,
> 
> On Monday 24 February 2014 14:33:16 Dan Carpenter wrote:
> > On Mon, Feb 24, 2014 at 02:16:24PM +0100, Juergen Beisert wrote:
> > > > While I don't have much experience with the TS part of the code but I
> > > > can investigate if you don't have any idea.
> > >
> > > can you please test the following patch?
> > > After releasing the touchscreen the internal state machine was left in a
> > > wrong state.
> > >
> > > diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c
> > > index e2dd783..558a76c 100644
> > > --- a/drivers/staging/iio/adc/mxs-lradc.c  
> > > +++ b/drivers/staging/iio/adc/mxs-lradc.c
> > > @@ -698,6 +698,7 @@ static void mxs_lradc_finish_touch_event(struct
> > > mxs_lradc *lradc, bool valid) }
> > >
> > >         /* if it is released, wait for the next touch via IRQ */
> > > +       lradc->cur_plate = LRADC_TOUCH;
> > >         mxs_lradc_reg_clear(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ, LRADC_CTRL1);
> > >         mxs_lradc_reg_set(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ_EN, LRADC_CTRL1);
> > >         } 
> >
> > I am confused.  Why don't you send this like a normal patch?
> 
> For testing fist. But you are right, patch will follow.
> 

Never mind, I suck at reading.

regards,
dan carpenter




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