usb/usb-serial-sierra-add-new-dev-group
This patch is for the sierra driver and adds support for a new group of
devices that have a new USB configuration.
This targets kernel 2.6.25-rc7
Signed-off-by: Kevin Lloyd <klloyd@sierrawireless.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index af667a1..f791eb8 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -108,6 +108,26 @@
return result;
}
+static int sierra_calc_interface(struct usb_serial *serial)
+{
+ int interface;
+ struct usb_interface *p_interface;
+ struct usb_host_interface *p_host_interface;
+
+ /* Get the interface structure pointer from the serial struct */
+ p_interface = serial->interface;
+
+ /* Get a pointer to the host interface structure */
+ p_host_interface = p_interface->cur_altsetting;
+
+ /* read the interface descriptor for this active altsetting
+ * to find out the interface number we are on
+ */
+ interface = p_host_interface->desc.bInterfaceNumber;
+
+ return interface;
+}
+
static int sierra_probe(struct usb_serial *serial,
const struct usb_device_id *id)
{
@@ -123,6 +143,22 @@
ifnum = serial->interface->cur_altsetting->desc.bInterfaceNumber;
udev = serial->dev;
+ /* Figure out the interface number from the serial structure */
+ ifnum = sierra_calc_interface(serial);
+
+ /*
+ * If this interface supports more than 1 alternate
+ * select the 2nd one
+ */
+ if (serial->interface->num_altsetting == 2) {
+ dev_dbg(&udev->dev,
+ "Selecting alt setting for interface %d\n",
+ ifnum);
+
+ /* We know the alternate setting is 1 for the MC8785 */
+ usb_set_interface(udev, ifnum, 1);
+ }
+
/* Check if in installer mode */
if (truinstall && id->driver_info == DEVICE_INSTALLER) {
dev_dbg(&udev->dev, "%s", "FOUND TRU-INSTALL DEVICE(SW)\n");
@@ -165,14 +201,18 @@
{ USB_DEVICE(0x1199, 0x6815) }, /* Sierra Wireless MC8775 */
{ USB_DEVICE(0x03f0, 0x1e1d) }, /* HP hs2300 a.k.a MC8775 */
{ USB_DEVICE(0x1199, 0x6820) }, /* Sierra Wireless AirCard 875 */
+ { USB_DEVICE(0x1199, 0x6821) }, /* Sierra Wireless AirCard 875U */
{ USB_DEVICE(0x1199, 0x6832) }, /* Sierra Wireless MC8780*/
{ USB_DEVICE(0x1199, 0x6833) }, /* Sierra Wireless MC8781*/
+ { USB_DEVICE(0x1199, 0x683B), .driver_info = DEVICE_1_PORT }, /* Sierra Wireless MC8785 Composite*/
{ USB_DEVICE(0x1199, 0x6850) }, /* Sierra Wireless AirCard 880 */
{ USB_DEVICE(0x1199, 0x6851) }, /* Sierra Wireless AirCard 881 */
{ USB_DEVICE(0x1199, 0x6852) }, /* Sierra Wireless AirCard 880 E */
{ USB_DEVICE(0x1199, 0x6853) }, /* Sierra Wireless AirCard 881 E */
{ USB_DEVICE(0x1199, 0x6855) }, /* Sierra Wireless AirCard 880 U */
{ USB_DEVICE(0x1199, 0x6856) }, /* Sierra Wireless AirCard 881 U */
+ { USB_DEVICE(0x1199, 0x6859), .driver_info = DEVICE_1_PORT }, /* Sierra Wireless AirCard 885 E */
+ { USB_DEVICE(0x1199, 0x685A), .driver_info = DEVICE_1_PORT }, /* Sierra Wireless AirCard 885 E */
{ USB_DEVICE(0x1199, 0x6468) }, /* Sierra Wireless MP3G - EVDO */
{ USB_DEVICE(0x1199, 0x6469) }, /* Sierra Wireless MP3G - UMTS/HSPA */