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Date:	Mon, 07 Feb 2011 12:42:36 +0100
From:	Maciej Szmigiero <mhej@...pl>
To:	Sergei Shtylyov <sshtylyov@...sta.com>
CC:	Greg KH <gregkh@...e.de>, Johan Hovold <jhovold@...il.com>,
	Joe Perches <joe@...ches.com>, Alan Cox <alan@...ux.intel.com>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [USB]Add Samsung SGH-I500/Android modem ID switch to visor driver

W dniu 07.02.2011 12:25, Sergei Shtylyov pisze:
> Hello.
> 
> On 06-02-2011 23:04, Maciej Szmigiero wrote:
> 
>>>> New version of patch which autodetects devices with ACM class.
>>>> Tested on Galaxy Spica.
> 
> 
>> diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
>> index 15a5d89..0f75948 100644
>> --- a/drivers/usb/serial/visor.c
>> +++ b/drivers/usb/serial/visor.c
> [...]
>> @@ -479,6 +480,17 @@ static int visor_probe(struct usb_serial *serial,
>>
>>       dbg("%s", __func__);
>>
>> +    /*
>> +     * some Samsung Android phones in modem mode have the same ID
>> +     * as SPH-I500, but they are ACM devices, so dont bind to them
>> +    */
> 
>    Space is missing. You were close. :-)
> 
> WBR, Sergei
> 

Damn :)

Signed-off-by: Maciej Szmigiero<mhej@...pl>

diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
index 15a5d89..1c11959 100644
--- a/drivers/usb/serial/visor.c
+++ b/drivers/usb/serial/visor.c
@@ -27,6 +27,7 @@
 #include <linux/uaccess.h>
 #include <linux/usb.h>
 #include <linux/usb/serial.h>
+#include <linux/usb/cdc.h>
 #include "visor.h"
 
 /*
@@ -479,6 +480,17 @@ static int visor_probe(struct usb_serial *serial,
 
 	dbg("%s", __func__);
 
+	/*
+	 * some Samsung Android phones in modem mode have the same ID
+	 * as SPH-I500, but they are ACM devices, so dont bind to them
+	 */
+	if (id->idVendor == SAMSUNG_VENDOR_ID &&
+		id->idProduct == SAMSUNG_SPH_I500_ID &&
+		serial->dev->descriptor.bDeviceClass == USB_CLASS_COMM &&
+		serial->dev->descriptor.bDeviceSubClass ==
+			USB_CDC_SUBCLASS_ACM)
+		return -ENODEV;
+
 	if (serial->dev->actconfig->desc.bConfigurationValue != 1) {
 		dev_err(&serial->dev->dev, "active config #%d != 1 ??\n",
 			serial->dev->actconfig->desc.bConfigurationValue);
--
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