Re: [PATCH v7 1/1] input: ideapad_slidebar: new input driver

From: Dmitry Torokhov
Date: Tue Aug 20 2013 - 15:45:38 EST


Hi Andrey,

On Fri, Aug 16, 2013 at 10:58:45AM +0400, Andrey Moiseev wrote:
> v7: fixed things addressed by Dmitry Torokhov to v7 (quoted message goes below the patch)
>

This looks almost perfect, I have just one question:

> +static bool slidebar_i8042_filter(unsigned char data, unsigned char str,
> + struct serio *port)
> +{
> + static bool extended = false;
> +
> + /* Scancodes: e03b on move, e0bb on release */
> + if (unlikely(data == 0xe0)) {
> + extended = true;
> + return false;
> + } else if (unlikely(extended && (data == 0x3b))) {
> + extended = false;
> + input_report_key(slidebar_input_dev, BTN_TOUCH, 1);
> + input_report_abs(slidebar_input_dev, ABS_X, slidebar_pos_get());
> + input_sync(slidebar_input_dev);
> + return false;
> + } else if (unlikely(extended && (data == 0xbb))) {
> + input_report_key(slidebar_input_dev, BTN_TOUCH, 0);
> + input_sync(slidebar_input_dev);

Don't you need to reset 'extended" here as well?

--
Dmitry
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