From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oliver Neukum Subject: Re: [PATCH 06/16] HID: wiimote: Enable accelerometer on request Date: Thu, 28 Jul 2011 20:08:55 +0200 Message-ID: <201107282008.55404.oneukum@suse.de> References: <1311869316-17128-1-git-send-email-dh.herrmann@googlemail.com> <1311869316-17128-7-git-send-email-dh.herrmann@googlemail.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-8859-15 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from cantor2.suse.de ([195.135.220.15]:52241 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754349Ab1G1SOL convert rfc822-to-8bit (ORCPT ); Thu, 28 Jul 2011 14:14:11 -0400 In-Reply-To: <1311869316-17128-7-git-send-email-dh.herrmann@googlemail.com> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: David Herrmann Cc: linux-input@vger.kernel.org, jkosina@suse.cz, padovan@profusion.mobi Am Donnerstag, 28. Juli 2011, 18:08:26 schrieb David Herrmann: > The wiimote has an internal accelerometer which can report data to th= e host. > Userspace may now write to a new sysfs file to make the driver enable > accelerometer reporting. This is not enabled by default to reduce pow= er > consumption of the wiimote. Accelerometer data is reported every few > milliseconds and thus consumes much bluetooth bandwidth which costs m= uch energy > of the wiimote. > By writing 0 to the sysfs file, accelerometer reporting is disabled a= gain. This is an odd interface. Why can't you request the accelerometer data = when a device file dedicated to the accelerometer is opened? Regards Oliver --=20 - - -=20 SUSE LINUX Products GmbH, GF: Jeff Hawn, Jennifer Guild, Felix Imend=F6= rffer, HRB 16746 (AG N=FCrnberg)=20 Maxfeldstra=DFe 5 =20 90409 N=FCrnberg=20 Germany=20 - - -=20 -- To unsubscribe from this list: send the line "unsubscribe linux-input" = in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html