Re: [PATCH V2 1/3] Input: cyttsp - Cypress TTSP capacitivemulti-touch screen support

[Henrik Rydberg]

Hi Javier,

> Cypress TrueTouch(tm) Standard Product controllers are found in
> a wide range of embedded devices. This driver add support for a
> variety of TTSP controllers.
> 
> The driver is composed of a core driver that process the data sent by
> the contacts and a set of bus specific interface modules. This patch
> adds the base core TTSP driver.
> 
> The original author of the driver is Kevin McNeely <kev@xxxxxxxxxxx>
> 
> Since the hardware is capable of tracking identifiable contacts and the
> original driver used multi-touch protocol type A (stateless), multi-touch
> protocol type B (stateful) support was added by Javier Martinez Canillas.
> 
> Signed-off-by: Javier Martinez Canillas <martinez.javier@xxxxxxxxx>
> ---
> Changes since v1: Fix issues called out by Dmitry Torokhov
>      - Add msleep() delays between retries for read and write operations
>      - Change cyttsp_core_init() to receive the IRQ from the client data 
>        instead of obtaining from the platform_data

Compared to the staging version you sent earlier, this version seems
to be a step back towards the original version regarding the MT
implementation. Is this the right patch?

Thanks,
Henrik
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