Re: [PATCH 4/4] HID: uclogic: name the input nodes based on their tool

[Nikolai Kondrashov]

On 02/25/2015 11:36 PM, Benjamin Tissoires wrote:
> On Feb 25 2015 or thereabouts, Nikolai Kondrashov wrote:
> > On 02/25/2015 02:05 AM, Benjamin Tissoires wrote:
> > > We append "Pen", "Pad", "Mouse" or "Keyboard" suffix to the appropriate
> > > input node to match what the Wacom driver does and be more convenient for
> > > the user to know which one is which.
> >
> > As I said before, this is a very welcome change. Thanks, Benjamin!
> > However, I'm not familiar with input_configured hook yet, so cannot give my
> > Reviewed-by.
>
> Well, the hook is called just before we present the input to the user
> space. So the input node is already set and its corresponding report
> has been parsed (or the whole descriptor has been parsed if
> QUIRK_MULTI_INPUT is not set).

Thanks for the explanation, but basing my Reviewed-by on your explanation
wouldn't be right, even though this seems simple :) I'll read up the kernel
code tomorrow.

> > > +	if (suffix) {
> > > +		len = strlen(hdev->name) + 2 + strlen(suffix);
> > > +		name = devm_kzalloc(&hi->input->dev, len, GFP_KERNEL);
> > > +		if (name) {
> > > +			snprintf(name, len, "%s %s", hdev->name, suffix);
> > > +			hi->input->name = name;
> > > +		}
> >
> > I only feel a bit uneasy about duplicating buffer size knowledge here, as I
> > said before, but the code is short, so it'll probably be OK.
>
> I am not quite sure what you mean with "duplicating buffer size
> knowledge"...

Argh, nevermind, just sleepy me, sorry. You fixed it, thanks, looks fine :)

Nick
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