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USB: usb-storage: Initialize Huawei E220 properly

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This is a reworked version of this patch:
http://www.mail-archive.com/linux-usb-devel%40lists.sourceforge.net/msg55094/activate_huawei_dev.patch

That properly initializes the HUAWEI E220 devices into multi-port mode.

Signed-off-by: Johann Wilhelm <johann.wilhelm@student.tugraz.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Johann Wilhelm
2007-09-05 13:49:29 +02:00
committed by Greg Kroah-Hartman
parent 63f991b287
commit d853d872c1
3 changed files with 28 additions and 0 deletions
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14
drivers/usb/storage/initializers.c
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@@ -90,3 +90,17 @@ int usb_stor_ucr61s2b_init(struct us_data *us)
return (res ? -1 : 0);
}
/* This places the HUAWEI E220 devices in multi-port mode */
int usb_stor_huawei_e220_init(struct us_data *us)
{
int result;
us->iobuf[0] = 0x1;
result = usb_stor_control_msg(us, us->send_ctrl_pipe,
USB_REQ_SET_FEATURE,
USB_TYPE_STANDARD | USB_RECIP_DEVICE,
0x01, 0x0, us->iobuf, 0x1, 1000);
US_DEBUGP("usb_control_msg performing result is %d\n", result);
return (result ? 0 : -1);
}