Re: [PATCH 2/2] Input: ili210x - add ILI2117 support

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On Sat, Aug 10, 2019 at 06:50:08PM +0200, Marek Vasut wrote:
> On 8/10/19 6:41 PM, Dmitry Torokhov wrote:
> > Hi Marek,
> 
> Hi,
> 
> > On Sat, Mar 02, 2019 at 03:17:04PM +0100, Marek Vasut wrote:
> >> Add support for ILI2117 touch controller. This controller is similar
> >> to the ILI210x and ILI251x, except for the following differences:
> >> - Reading out of touch data must happen at most 300 mS after the
> >>   interrupt line was asserted. No command must be sent, the data
> >>   are returned upon pure I2C read of 43 bytes long.
> >> - Supports 10 simultaneous touch inputs.
> >> - Touch data format is slightly different.
> > 
> > So with this and also I see there is another ili2117a submission, I do
> > believe that we need to switch to using function pointers instead of
> > if/else if/else style cheking of the model.
> 
> How about we add tested functionality in first and only then do bigger
> untested changes ? I think that would work better for everyone.

Sorry, I would really prefer to do what is right and build additional
functionality on top of the good foundation. I asked to switch to the
function pointers before, but you did not want to citing performance
(even though we are using function pointers everywhere in the kernel),
now I gave a draft implementation, I hope you can use it.

Thanks.

-- 
Dmitry



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