linux-kernel - Re: [USB]Add Samsung SGH-I500/Android modem ID switch to visor driver

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Date:	Sun, 06 Feb 2011 02:29:24 +0300
From:	Sergei Shtylyov <sshtylyov@...sta.com>
To:	Maciej Szmigiero <mhej@...pl>
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

Hello.

On 06.02.2011 0:41, Maciej Szmigiero wrote:

> New version of patch which autodetects devices with ACM class.
> Tested on Galaxy Spica.

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

> diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
> index 15a5d89..e1c4527 100644
> --- a/drivers/usb/serial/visor.c
> +++ b/drivers/usb/serial/visor.c
[...]
> @@ -479,6 +480,15 @@ 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 */

    The preferred style for the multi-line comments is this:

/*
  * bla
  * bla
  */

> +	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))

    Parens around == not necessary...

WBR, Sergei
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