linux-kernel - Re: [PATCH] Input: stmpe-ts - enforce device tree only mode

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Message-ID: <3ECB4834-2EEF-471A-B634-EFC95DFF725F@gmail.com>
Date:	Sat, 23 May 2015 09:41:50 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Marek Vasut <marex@...x.de>
CC:	linux-input@...r.kernel.org, Samuel Ortiz <sameo@...ux.intel.com>,
	Lee Jones <lee.jones@...aro.org>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Input: stmpe-ts - enforce device tree only mode

On May 23, 2015 9:38:54 AM PDT, Marek Vasut <marex@...x.de> wrote:
>On Saturday, May 23, 2015 at 12:58:32 AM, Dmitry Torokhov wrote:
>> The STMPE MFD is only used with device tree configured systems (and
>STMPE
>> MFD core depends on OF), so force the configuration to come from
>device
>> tree only.
>> 
>> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
>> ---
>
>Hi!
>
>[...]
>
>> @@ -351,14 +336,13 @@ static int stmpe_input_probe(struct
>platform_device
>> *pdev) idev->name = STMPE_TS_NAME;
>>  	idev->phys = STMPE_TS_NAME"/input0";
>>  	idev->id.bustype = BUS_I2C;
>> -	idev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
>> -	idev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
>> 
>>  	idev->open = stmpe_ts_open;
>>  	idev->close = stmpe_ts_close;
>> 
>>  	input_set_drvdata(idev, ts);
>> 
>> +	input_set_capability(idev, EV_KEY, BTN_TOUCH);
>
>Isn't this part of the patch dropping the EV_ABS evbit ?

No, on newer kernels input_set_abs_paramd() takes care of setting we EV_ABS in evbit as well.

>
>>  	input_set_abs_params(idev, ABS_X, 0, XY_MASK, 0, 0);
>>  	input_set_abs_params(idev, ABS_Y, 0, XY_MASK, 0, 0);
>>  	input_set_abs_params(idev, ABS_PRESSURE, 0x0, 0xff, 0, 0);
>
>
>[...]
>
>Best regards,
>Marek Vasut

Hi Marek,
Thanks.

-- 
Dmitry
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