[U-Boot] [PATCH] input: Add MELFAS mms144 touchscreen driver

Donghwa Lee dh09.lee at samsung.com
Tue Dec 18 09:07:48 CET 2012


On 2012-12-18 01:41, Wolfgang Denk wrote:
> Dear Donghwa Lee,
>
> In message <50CE7957.6070603 at samsung.com> you wrote:
>> From: Sanggun Lee<sg0724.lee at samsung.com>
>>    
>> This is a TSP driver for touchscreen chip mms144 of MELFAS.
>> It uses soft I2C interface and supports single touch.
>>
>> This driver uses polling method.
>> If there are touch events, mms144_interrupt() reads and returns 0.
>> If not, mms144_interrupt() returns -1.
> Where exactly will this driver be used inside U-Boot?  So far, we
> don't have any GUI support, do what is a touch driver good for?
>
> Are you just adding dead code here?
>
> Best regards,
>
> Wolfgang Denk
>

From: Sanggun Lee

Hi,

We are testing various codes on TRATS board.
If this patch would be submitted, we can test the codes in a pleasant 
working environment.
If this driver is not used for any other purposes in the u-boot, we 
would use it only inside
the local tree.

Thank you,
Sanggun Lee



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