Hi Greg,
As David mentioned in the mail below, we indeed need the relevant
driver (maybe usbstorage driver) to help us and with no need for
special userspace code.As soon as the device with vid of 0x12d1
and pid of 0x1003 is connect, then send a SET_FEATURE to it
(actually we have another device with pid of 1004 also needs that).
Just like what the "small piece of code" in huaweiAktBbo.c does:
http://www.kanoistika.sk/bobovsky/archiv/umts/
usb_control_msg(devh, USB_TYPE_STANDARD + USB_RECIP_DEVICE,
USB_REQ_SET_FEATURE, 00000001, 0, buf, 0, 1000);
And we also need the userspace code to support for old kernels.
Can you help us to achieve that or give us some advice?
----- 原邮件 -----
发件人: David Brownell <[EMAIL PROTECTED]>
日期: 星期日, 四月 22日, 2007 上午0:20
主题: Re: [linux-usb-devel] [PATCH pd54] Remove Huawei unusual_devs entry
> On Thursday 19 April 2007, linlei 60022748 wrote:
> > Hi everyone,
>
> Hi back ... please fix your email tools to line-wrap correctly
> sometime before the 80th character of each line.
>
>
> > We consider it's not the appropriate status of E220 which
> > has no CD-ROM. In MS-Windows, while plug the device into
> > PC with the driver already installed, the OS will send a
> > SET_FEATURE command to it. Then our device receives the
> > signal and switchs from one CD-ROM to one CD-ROM + two
> > serial ports. We wanted to achieve that also in Linux but
> > as we had no experience in Linux field we didn't know how
> > to get the job done.
>
> Just provide a patch to the relevant driver, teaching it
> about the quirks of this particular device.
>
>
> > We'll distribute a software and put it on "well known
> > locations" later. But before that, we need your help to
> > make a rounded solution of E220 on Linux. Now we are
> > making Linux applications just like the ones for MS-Windows.
>
> A "well rounded" solution means out-of-the-box support,
> with no need for special userspace code. Of course, you
> would need such userspace support for older kernels; but
> that should not be the design center.
>
>
> > *********************************************************
> > This email and its attachments contain confidential
> > information from HUAWEI, which is intended only for
> > the person or entity whose address is listed above.
> > Any use of the information contained herein in any
> > way (including, but not limited to, total or partial
> > disclosure, reproduction, or dissemination) by persons
> > other than the intended recipient(s) is prohibited.
> > If you receive this e-mail in error, please notify
> > the sender by phone or email immediately and delete it!
> > ********************************************************
>
> It's inappropriate to include such language in messages
> posted to any public mailing list. By posting, you have
> agreed to dissemination world-wide, though archive systems
> over which you have no control.
>
> - Dave
>
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