From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ondrej Zary Subject: Re: [0000/0003]full power management for usb touchscreens Date: Tue, 29 Jun 2010 15:51:11 +0200 Message-ID: <201006291551.13148.linux@rainbow-software.org> References: <201006071513.29478.oneukum@suse.de> <201006221543.27169.linux@rainbow-software.org> <201006240856.16402.oneukum@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: Received: from mail1-out1.atlantis.sk ([80.94.52.55]:42123 "EHLO mail.atlantis.sk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755773Ab0F2NvS (ORCPT ); Tue, 29 Jun 2010 09:51:18 -0400 In-Reply-To: <201006240856.16402.oneukum@suse.de> Content-Disposition: inline Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Oliver Neukum Cc: Dmitry Torokhov , linux-input@vger.kernel.org, linux-usb@vger.kernel.org, Daniel Ritz On Thursday 24 June 2010, Oliver Neukum wrote: > Am Dienstag, 22. Juni 2010, 15:43:24 schrieb Ondrej Zary: > > On Tuesday 22 June 2010, Oliver Neukum wrote: > > > This is a violation of the spec. Can you give me the IDs so that I can > > > put the devices into the quirks file? Or can I take this from the > > > driver? Do all devices that marked as always needing an irq transfer > > > behave this way? > > > > This is not a bug surprise as this device is broken in many ways. It > > takes ages to detect and identify and looks like cdc_acm. The > > pseudo-multitouch capable protocol is pretty bad too. Also there are some > > reports about devices using the same ID but different protocol. > > > > I have only one - 1870:0001, don't know anything about the other. > > OK, it seems like those devices are hopeless. Could you test this series > form harmlessness on a broken device and functionality on a non-broken > device? Tested with: 0eef:0001 D-WAV Scientific Co., Ltd eGalax TouchScreen 595a:0001 IRTOUCHSYSTEMS Co. Ltd. Touchscreen 1870:0001 Nexio Co., Ltd iNexio Touchscreen controller The patches have no visible effect on these devices so they're probably OK. -- Ondrej Zary