linux-kernel - Re: [PATCH] input/keyboard: new driver for ADP5520 MFD PMICs

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Date:	Sat, 19 Sep 2009 23:30:44 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Mike Frysinger <vapier@...too.org>
Cc:	linux-input@...r.kernel.org,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	linux-kernel@...r.kernel.org,
	uclinux-dist-devel@...ckfin.uclinux.org,
	Michael Hennerich <michael.hennerich@...log.com>,
	Bryan Wu <cooloney@...nel.org>
Subject: Re: [PATCH] input/keyboard: new driver for ADP5520 MFD PMICs

On Thu, 17 Sep 2009 14:24:10 -0400 Mike Frysinger <vapier@...too.org> wrote:

> ...
> +struct adp5520_keys {
> +	struct input_dev *input;
> +	struct notifier_block notifier;
> +	struct device *master;
> +	unsigned short keycode[ADP5520_KEYMAPSIZE];

Where is ADP5520_KEYMAPSIZE defined?

I can find a single instance in the tree:

./arch/blackfin/mach-bf537/boards/stamp.c:static const unsigned short adp5520_keymap[ADP5520_KEYMAPSIZE] = {
	
is it runtime-generated or something?

> +};
> +
> +static void adp5520_keys_report_event(struct adp5520_keys *dev,
> +					unsigned short keymask, int value)
> +{
> +	int i;
> +
> +	for (i = 0; i < ADP5520_MAXKEYS; i++)

Where is ADP5520_MAXKEYS defined?

> +		if (keymask & (1 << i))
> +			input_report_key(dev->input, dev->keycode[i], value);

It seems odd that keycode is dimensioned with ADP5520_KEYMAPSIZE but
here we iterate up to ADP5520_MAXKEYS.

> +
> +	input_sync(dev->input);
> +}
> +
> ...
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