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From: Henrik Rydberg <rydberg@euromail.se>
To: Valdis.Kletnieks@vt.edu
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Jiri Kosina <jkosina@suse.cz>,
	linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
	Ping Cheng <pingc@wacom.com>,
	Chris Bagwell <chris@cnpbagwell.com>
Subject: Re: [RFC][PATCH] input: Introduce device information ioctl
Date: Wed, 08 Dec 2010 21:37:05 +0100	[thread overview]
Message-ID: <4CFFEC71.8060103@euromail.se> (raw)
In-Reply-To: <25336.1291839964@localhost>

>

>>  /*
>> + * Device types
>> + */
>> +
>> +#define DEVTYPE_KEYBOARD	0
>> +#define DEVTYPE_MOUSE		1
>> +#define DEVTYPE_JOYSTICK	2
>> +#define DEVTYPE_TOUCHPAD	3
>> +#define DEVTYPE_TABLET		4
>> +#define DEVTYPE_TOUCHSCREEN	5
> 
> Add a #define DEVTYPE_UNKNOWN 0 and push everybody else down one. That way,
> an uninitialized 'struct input_devinfo' won't claim to be a keyboard.


Since types is a bitmask, the initial value will actually be unclaimed already.
To be explicit, for a keyboard, types = 1 << 0 = 1.

Thanks,
Henrik

      reply	other threads:[~2010-12-08 20:37 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-07  7:25 [RFC][PATCH] input: Introduce device information ioctl Henrik Rydberg
2010-12-07  9:16 ` Dmitry Torokhov
2010-12-07 10:48   ` Kay Sievers
2010-12-07 10:56     ` Dmitry Torokhov
2010-12-07 11:19       ` Kay Sievers
2010-12-07 12:44         ` Arnd Bergmann
2010-12-07 12:52           ` Kay Sievers
2010-12-07 12:55             ` Arnd Bergmann
2010-12-07 12:40     ` Arnd Bergmann
2010-12-07 12:49       ` Kay Sievers
2010-12-07 16:51       ` Dmitry Torokhov
2010-12-07 19:57   ` Henrik Rydberg
2010-12-08  6:02     ` Dmitry Torokhov
2010-12-08 19:04       ` Henrik Rydberg
2010-12-09  9:25         ` Dmitry Torokhov
2010-12-07 16:22 ` Greg KH
2010-12-07 16:48   ` Dmitry Torokhov
2010-12-07 18:48 ` Ping Cheng
2010-12-07 19:35   ` Dmitry Torokhov
2010-12-07 19:18 ` Chris Bagwell
2010-12-07 19:37   ` Dmitry Torokhov
2010-12-08 20:26 ` Valdis.Kletnieks
2010-12-08 20:37   ` Henrik Rydberg [this message]

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