linux-kernel - Re: [PATCH v2 3/3] Input: ektf2127

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Date: Mon, 6 May 2024 18:21:11 +0200
From: Andreas Kemnade <andreas@...nade.info>
To: Andy Shevchenko <andy.shevchenko@...il.com>
Cc: dmitry.torokhov@...il.com, robh@...nel.org, krzk+dt@...nel.org,
 conor+dt@...nel.org, u.kleine-koenig@...gutronix.de, hdegoede@...hat.com,
 siebren.vroegindeweij@...mail.com, linux-input@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/3] Input: ektf2127 - add ektf2232 support

On Mon, 6 May 2024 15:05:52 +0300
Andy Shevchenko <andy.shevchenko@...il.com> wrote:

> From: Andy Shevchenko <andy.shevchenko@...il.com>
> To: Andreas Kemnade <andreas@...nade.info>
> Cc: dmitry.torokhov@...il.com, robh@...nel.org, krzk+dt@...nel.org,   conor+dt@...nel.org, u.kleine-koenig@...gutronix.de, hdegoede@...hat.com,   siebren.vroegindeweij@...mail.com, linux-input@...r.kernel.org,   devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
> Subject: Re: [PATCH v2 3/3] Input: ektf2127 - add ektf2232 support
> Date: Mon, 6 May 2024 15:05:52 +0300
> 
> On Mon, May 6, 2024 at 12:48 AM Andreas Kemnade <andreas@...nade.info> wrote:
> >
> > The chip is similar, but has status bits at different positions,
> > so use the correct bits.  
> 
> ...
> 
> > @@ -46,6 +47,11 @@ struct ektf2127_ts {
> >         struct input_dev *input;
> >         struct gpio_desc *power_gpios;
> >         struct touchscreen_properties prop;
> > +       int status_shift;
> > +};
> > +
> > +struct ektf2127_i2c_chip_data {
> > +       int status_shift;
> >  };
> >
> >  static void ektf2127_parse_coordinates(const u8 *buf, unsigned int touch_count,  
> 
> I'm wondering if you are using --histogram diff algo when preparing the patches.

No, I am not using that, it seems to not make that chunk nicer. 
Yes, we want

+       int status_shift;
 };
+
+struct ektf2127_i2c_chip_data {
+       int status_shift;
+};

But that is not shorter or simpler, just more readable.

Regards,
Andreas