linux-kernel - Re: [PATCH v2] platform/x86: peaq-wmi: switch to using polled mode of input devices

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Date:   Tue, 1 Oct 2019 22:13:53 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] platform/x86: peaq-wmi: switch to using polled mode of
 input devices

On Tue, Oct 1, 2019 at 9:58 PM Dmitry Torokhov
<dmitry.torokhov@...il.com> wrote:
>
> We have added polled mode to the normal input devices with the intent of
> retiring input_polled_dev. This converts peaq-wmi driver to use the
> polling mode of standard input devices and removes dependency on
> INPUT_POLLDEV.
>
> Because the new polling coded does not allow peeking inside the poller
> structure to get the poll interval, we change the "debounce" process to
> operate on the time basis, instead of counting events.
>
> We also fix error handling during initialization, as previously we leaked
> input device structure when we failed to register it.

>         if (obj.type != ACPI_TYPE_INTEGER) {
> -               dev_err(&peaq_poll_dev->input->dev,
> +               dev_err(&input_dev->dev,
>                         "Error WMBC did not return an integer\n");

It seems it can be one line now.

>                 return;
>         }

-- 
With Best Regards,
Andy Shevchenko