Re: [PATCH] cdc_acm: blacklist Samsung Phones in firmware update mode

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On Sun, 2016-01-03 at 20:00 -0200, Jose Alonso wrote:
> The program Heimdall (http://glassechidna.com.au/heimdall) is used
> to flash a new firmware in Samsung Mobile Phones. It uses only the
> library libusb to access the device.
> 
> The module "cdc_acm" recognizes it as CDC ACM device, creates a
> device /dev/ttyACM* and send a USB_CDC_REQ_SET_LINE_CODING. Then,
> for some phones when Heimdall call libusb_set_interface_alt_setting
> or libusb_get_string_descriptor_ascii the device locks.
> Also, the ModemManager initialization locks the device.
> 
> There are 3 devices used by Samsung in firmware update mode:
> idVendor=0x04e8  idProduct=0x6601 idProduct=0x685d IdProduct=0x68c3
> source:
> (https://github.com/Benjamin-Dobell/Heimdall/blob/master/heimdall/
>          source/BridgeManager.h)
> 
> Signed-off-by: Jose Alonso <joalonsof@xxxxxxxxx>
Acked-by: Oliver Neukum <oneukum@xxxxxxxx>



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