kopia lustrzana https://gitlab.com/sane-project/backends
Added support for detecting Genesys Logic GL646.
rodzic
a737d690d6
commit
7859f03a98
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@ -1,3 +1,8 @@
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2003-07-24 Henning Meier-Geinitz <henning@meier-geinitz.de>
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* tools/check-usb-chip.c: Added support for detecting Genesys
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Logic GL646.
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2003-07-23 Henning Meier-Geinitz <henning@meier-geinitz.de>
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* include/sane/sanei_thread.h include/sane/sanei_usb.h: Changed
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@ -984,6 +984,194 @@ check_merlin (struct usb_device *dev)
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}
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}
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/********** the gl646 section **********/
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static int
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gl646_write_reg (usb_dev_handle * handle, unsigned char reg, unsigned char val)
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{
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int result;
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result = usb_control_msg (handle, 0x00, 0x00, 0x83, 0x00, (char *) ®, 0x01, TIMEOUT);
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if (result < 0)
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return 0;
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result = usb_control_msg (handle, 0x00, 0x00, 0x85, 0x00, (char *) &val, 0x01, TIMEOUT);
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if (result < 0)
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return 0;
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return 1;
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}
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static int
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gl646_read_reg (usb_dev_handle * handle, unsigned char reg, unsigned char *val)
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{
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int result;
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result = usb_control_msg (handle, 0x00, 0x00, 0x83, 0x00, (char *) ®, 0x01, TIMEOUT);
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if (result < 0)
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return 0;
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result = usb_control_msg (handle, 0x80, 0x00, 0x84, 0x00, (char *) val, 0x01, TIMEOUT);
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if (result < 0)
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return 0;
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return 1;
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}
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static char *
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check_gl646 (struct usb_device *dev)
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{
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unsigned char val;
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int result;
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usb_dev_handle *handle;
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if (verbose > 2)
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printf (" checking for GL646 ...\n");
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/* Check device descriptor */
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if ( (dev->descriptor.bDeviceClass != USB_CLASS_PER_INTERFACE)
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|| (dev->config[0].interface[0].altsetting[0].bInterfaceClass !=
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0x10))
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{
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if (verbose > 2)
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printf
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(" this is not a GL646 (bDeviceClass = %d, bInterfaceClass = %d)\n",
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dev->descriptor.bDeviceClass,
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dev->config[0].interface[0].altsetting[0].bInterfaceClass);
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return 0;
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}
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if (dev->descriptor.bcdUSB != 0x110)
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{
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if (verbose > 2)
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printf (" this is not a GL646 (bcdUSB = 0x%x)\n",
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dev->descriptor.bcdUSB);
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return 0;
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}
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if (dev->descriptor.bDeviceSubClass != 0x00)
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{
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if (verbose > 2)
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printf (" this is not a GL646 (bDeviceSubClass = 0x%x)\n",
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dev->descriptor.bDeviceSubClass);
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return 0;
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}
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if (dev->descriptor.bDeviceProtocol != 0)
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{
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if (verbose > 2)
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printf (" this is not a GL646 (bDeviceProtocol = 0x%x)\n",
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dev->descriptor.bDeviceProtocol);
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return 0;
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}
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/* Check endpoints */
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if (dev->config[0].interface[0].altsetting[0].bNumEndpoints != 3)
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{
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if (verbose > 2)
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printf (" this is not a GL646 (bNumEndpoints = %d)\n",
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dev->config[0].interface[0].altsetting[0].bNumEndpoints);
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return 0;
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}
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if ((dev->config[0].interface[0].altsetting[0].endpoint[0].
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bEndpointAddress != 0x81)
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|| (dev->config[0].interface[0].altsetting[0].endpoint[0].
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bmAttributes != 0x02)
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|| (dev->config[0].interface[0].altsetting[0].endpoint[0].
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wMaxPacketSize != 0x40)
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|| (dev->config[0].interface[0].altsetting[0].endpoint[0].bInterval !=
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0x0))
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{
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if (verbose > 2)
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printf
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(" this is not a GL646 (bEndpointAddress = 0x%x, bmAttributes = 0x%x, "
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"wMaxPacketSize = 0x%x, bInterval = 0x%x)\n",
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dev->config[0].interface[0].altsetting[0].endpoint[0].
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bEndpointAddress,
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dev->config[0].interface[0].altsetting[0].endpoint[0].bmAttributes,
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dev->config[0].interface[0].altsetting[0].endpoint[0].
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wMaxPacketSize,
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dev->config[0].interface[0].altsetting[0].endpoint[0].bInterval);
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return 0;
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}
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if ((dev->config[0].interface[0].altsetting[0].endpoint[1].
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bEndpointAddress != 0x02)
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|| (dev->config[0].interface[0].altsetting[0].endpoint[1].
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bmAttributes != 0x02)
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|| (dev->config[0].interface[0].altsetting[0].endpoint[1].
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wMaxPacketSize != 0x40)
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|| (dev->config[0].interface[0].altsetting[0].endpoint[1].bInterval != 0)
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)
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{
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if (verbose > 2)
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printf
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(" this is not a GL646 (bEndpointAddress = 0x%x, bmAttributes = 0x%x, "
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"wMaxPacketSize = 0x%x, bInterval = 0x%x)\n",
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dev->config[0].interface[0].altsetting[0].endpoint[1].
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bEndpointAddress,
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dev->config[0].interface[0].altsetting[0].endpoint[1].bmAttributes,
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dev->config[0].interface[0].altsetting[0].endpoint[1].
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wMaxPacketSize,
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dev->config[0].interface[0].altsetting[0].endpoint[1].bInterval);
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return 0;
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}
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if ((dev->config[0].interface[0].altsetting[0].endpoint[2].
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bEndpointAddress != 0x83)
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|| (dev->config[0].interface[0].altsetting[0].endpoint[2].
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bmAttributes != 0x03)
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|| (dev->config[0].interface[0].altsetting[0].endpoint[2].
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wMaxPacketSize != 0x1)
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|| (dev->config[0].interface[0].altsetting[0].endpoint[2].bInterval != 8)
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)
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{
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if (verbose > 2)
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printf
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(" this is not a GL646 (bEndpointAddress = 0x%x, bmAttributes = 0x%x, "
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"wMaxPacketSize = 0x%x, bInterval = 0x%x)\n",
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dev->config[0].interface[0].altsetting[0].endpoint[2].
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bEndpointAddress,
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dev->config[0].interface[0].altsetting[0].endpoint[2].bmAttributes,
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dev->config[0].interface[0].altsetting[0].endpoint[2].
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wMaxPacketSize,
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dev->config[0].interface[0].altsetting[0].endpoint[2].bInterval);
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return 0;
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}
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result = prepare_interface (dev, &handle);
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if (!result)
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return "GL646?";
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result = gl646_write_reg (handle, 0x38, 0x15);
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if (!result)
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{
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if (verbose > 2)
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printf (" this is not a GL646 (writing register failed)\n");
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finish_interface (handle);
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return 0;
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}
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result = gl646_read_reg (handle, 0x4e, &val);
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if (!result)
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{
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if (verbose > 2)
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printf (" this is not a GL646 (reading register failed)\n");
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finish_interface (handle);
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return 0;
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}
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if (val != 0x15)
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{
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if (verbose > 2)
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printf (" this is not a GL646 (reg 0x4e != reg 0x38)\n");
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finish_interface (handle);
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return 0;
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}
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finish_interface (handle);
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return "GL646";
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}
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char *
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check_usb_chip (struct usb_device *dev, int verbosity)
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@ -1016,6 +1204,10 @@ check_usb_chip (struct usb_device *dev, int verbosity)
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if (chip_name)
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return chip_name;
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chip_name = check_gl646 (dev);
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if (chip_name)
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return chip_name;
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return 0; /* unknown chipset */
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}
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