From: liyu <liyu@ccoss.com.cn>
To: Josef Sipek <jsipek@fsl.cs.sunysb.edu>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/3] usbhid: Driver for microsoft natural ergonomic keyboard 4000
Date: Thu, 27 Jul 2006 08:47:58 +0800 [thread overview]
Message-ID: <44C80D3E.5090706@ccoss.com.cn> (raw)
In-Reply-To: <20060726161232.GC28284@filer.fsl.cs.sunysb.edu>
Josef Sipek wrote:
> +#define map_key(c) \
> + do { \
> + usage->code = c; \
> + usage->type = EV_KEY; \
> + set_bit(c,input->keybit); \
> + } while (0)
>
> I'm not quite sure where usage is coming from. Some magical global variable?
> Eeek.
>
> Josef "Jeff" Sipek.
>
>
These macroes like map_key() only use in nek4k_setup_usage() and
ne4k_clear_usage(), so the
variable "usage" is coming from their parameter.
PS: these macroes are modifed from hid-input.c
next prev parent reply other threads:[~2006-07-27 0:48 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-26 10:42 [PATCH 1/3] usbhid: Driver for microsoft natural ergonomic keyboard 4000 liyu
2006-07-26 16:12 ` Josef Sipek
2006-07-27 0:47 ` liyu [this message]
2006-07-27 1:46 ` Josef Sipek
2006-07-28 13:54 ` Pavel Machek
2006-07-31 0:48 ` liyu
2006-07-31 1:30 ` Dmitry Torokhov
2006-07-31 5:24 ` liyu
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