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authorJohann Wilhelm <johann.wilhelm@student.tugraz.at>2007-09-05 13:49:29 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2007-10-12 14:55:24 -0700
commitd853d872c14b9adc4adad29e56cd378b291f86e0 (patch)
tree7304314552d5b4e27d155797d6b56c1a4aa720f7 /drivers/usb/storage
parent63f991b2871bdb1431e8ff62cae2b7b94b4e5b0c (diff)
USB: usb-storage: Initialize Huawei E220 properly
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>
Diffstat (limited to 'drivers/usb/storage')
-rw-r--r--drivers/usb/storage/initializers.c14
-rw-r--r--drivers/usb/storage/initializers.h3
-rw-r--r--drivers/usb/storage/unusual_devs.h11
3 files changed, 28 insertions, 0 deletions
diff --git a/drivers/usb/storage/initializers.c b/drivers/usb/storage/initializers.c
index 3a41740cad9..ee5b42aa536 100644
--- a/drivers/usb/storage/initializers.c
+++ b/drivers/usb/storage/initializers.c
@@ -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);
+}
diff --git a/drivers/usb/storage/initializers.h b/drivers/usb/storage/initializers.h
index e2967a4d48a..ad3ffd4236c 100644
--- a/drivers/usb/storage/initializers.h
+++ b/drivers/usb/storage/initializers.h
@@ -47,3 +47,6 @@ int usb_stor_euscsi_init(struct us_data *us);
/* This function is required to activate all four slots on the UCR-61S2B
* flash reader */
int usb_stor_ucr61s2b_init(struct us_data *us);
+
+/* This places the HUAWEI E220 devices in multi-port mode */
+int usb_stor_huawei_e220_init(struct us_data *us);
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index c6b78ba815e..94b1dd2aeb3 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1463,6 +1463,17 @@ UNUSUAL_DEV( 0x1210, 0x0003, 0x0100, 0x0100,
US_SC_DEVICE, US_PR_DEVICE, NULL,
US_FL_IGNORE_RESIDUE ),
+/* Reported by fangxiaozhi <fangxiaozhi60675@huawei.com>
+ * and by linlei <linlei83@huawei.com>
+ * Patch reworked by Johann Wilhelm <johann.wilhelm@student.tugraz.at>
+ * This brings the HUAWEI E220 devices into multi-port mode
+ */
+UNUSUAL_DEV( 0x12d1, 0x1003, 0x0000, 0x0000,
+ "HUAWEI MOBILE",
+ "Mass Storage",
+ US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+ 0),
+
/* Reported by Vilius Bilinkevicius <vilisas AT xxx DOT lt) */
UNUSUAL_DEV( 0x132b, 0x000b, 0x0001, 0x0001,
"Minolta",