Hello Ferruh

On Mon, Jan 4, 2016 at 12:46 PM, rajeev kumar
<rajeevkumar.li...@gmail.com> wrote:
> Hello Ferruh,
>   I was going through exiting cypress touch screen  driver
> (drivers/input/touchscreen/cyttsp4_core.c). Driver copy write suggest
> that it supports TMA4XX and TMA1036 cypress touch part. Is there any
> planning to extend the support for tma884 part ?
> In fact , support for tma884 part exit in android version of the code
> for v3.0.31 Linux kernel. I've gone ahead and tried to review the
> current version of the `cyttsp4*` sources in v4.3 relative to the
> version present in
> Android(https://android.googlesource.com/kernel/omap) and there are a
> lot of similarities between these two versions of the drivers. It
> looks to me that the version in v4.3 is a cleaned up fork of the older
> version contained in Android. I understand that these two versions of
> the driver may have both been targeted at different Cypress touch
> screen controller part numbers. But based on what I've been reading,
> both of these parts appear to be more closely related/in the same
> product family than not and so should use a common driver.
> So my question is:
> 1. Is there any planning to extend support for cypress tma884 part in
> existing cypress touch screen driver i.e in
> drivers/input/touchscreen/cyttsp4_core.c ? or
> 2. may be with minor changes, can I re-use the same driver for tma884
> part ? Please suggest.

Continuation to the last mail, doing more post-mortem analysis for the
code base,  drivers/input/touchscreen/cyttsp4_core.c ( v4.3 kernel:
support TMA4XX and TMA1036 cypress touch part) and android
code base, https://android.googlesource.com/kernel/omap ( Supports
CY8CTMA398 and CY8CTMA884 cypress touch part). I don't have the
specification for TMA4XX device families but by looking/comparing
code, my analysis suggest that I can use
drivers/input/touchscreen/cyttsp4_core.c (v4.3 kernel) also for
cypress touch part CY8CTMA884 as it is.
Could you please strengthen my understanding ?

Best Regards

> Best Regards
> Rajeev
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