Re: [USB]Add quirk for Samsung Android phone modem

From: Alan Stern
Date: Sat Feb 05 2011 - 15:15:32 EST


On Sat, 5 Feb 2011, Maciej Szmigiero wrote:

> [USB]Add quirk for Samsung Android phone modem
>
> My Galaxy Spica needs this quirk when in modem mode, otherwise
> it causes endless USB bus resets and is unusable in this mode.
>
> Unfortunately Samsung decided to reuse ID of its old CDMA phone SGH-I500
> for the modem part.
> That's why in addition to this patch the visior driver must be prevented
> from binding to SPH-I500 ID, so ACM driver can do that.
>
> Signed-off-by: Maciej Szmigiero <mhej@xxxxx>
>
> diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
> index 44c5954..363355b 100644
> --- a/drivers/usb/core/quirks.c
> +++ b/drivers/usb/core/quirks.c
> @@ -88,6 +88,10 @@ static const struct usb_device_id usb_quirk_list[] = {
> /* INTEL VALUE SSD */
> { USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
>
> + /* Samsung Android phone modem - ID conflict with SPH-I500 */
> + { USB_DEVICE(0x04e8, 0x6601), .driver_info =
> + USB_QUIRK_CONFIG_INTF_STRINGS },
> +
> { } /* terminating entry must be last */
> };

Please follow the directions at the start of the source file: Keep the
list ordered by vendor ID, then product ID.

Alan Stern

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