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epson2: improved debug messages and comments

merge-requests/1/head
Alessandro Zummo 2010-01-09 15:21:13 +01:00
rodzic 2668cf8062
commit 8013bd7acb
1 zmienionych plików z 10 dodań i 14 usunięć
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12
backend/epson2.c
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@ -583,16 +583,14 @@ detect_usb(struct Epson_Scanner *s)
status = sanei_usb_get_vendor_product(s->fd, &vendor, &product); status = sanei_usb_get_vendor_product(s->fd, &vendor, &product);
if (status != SANE_STATUS_GOOD) { if (status != SANE_STATUS_GOOD) {
DBG(1, DBG(1, "the device cannot be verified - will continue\n");
"cannot use IOCTL interface to verify that device is a scanner - will continue\n");
return SANE_STATUS_GOOD; return SANE_STATUS_GOOD;
} }
/* check the vendor ID to see if we are dealing with an EPSON device */ /* check the vendor ID to see if we are dealing with an EPSON device */
if (vendor != SANE_EPSON_VENDOR_ID) { if (vendor != SANE_EPSON_VENDOR_ID) {
/* this is not a supported vendor ID */ /* this is not a supported vendor ID */
DBG(1, DBG(1, "not an Epson device at %s (vendor id=0x%x)\n",
"the device at %s is not manufactured by EPSON (vendor id=0x%x)\n",
s->hw->sane.name, vendor); s->hw->sane.name, vendor);
return SANE_STATUS_INVAL; return SANE_STATUS_INVAL;
} }
@ -610,14 +608,12 @@ detect_usb(struct Epson_Scanner *s)
} }
if (is_valid == SANE_FALSE) { if (is_valid == SANE_FALSE) {
DBG(1, DBG(1, "the device at %s is not a supported (product id=0x%x)\n",
"the device at %s is not a supported EPSON scanner (product id=0x%x)\n",
s->hw->sane.name, product); s->hw->sane.name, product);
return SANE_STATUS_INVAL; return SANE_STATUS_INVAL;
} }
DBG(1, DBG(1, "found valid Epson scanner: 0x%x/0x%x (vendorID/productID)\n",
"found valid EPSON scanner: 0x%x/0x%x (vendorID/productID)\n",
vendor, product); vendor, product);
return SANE_STATUS_GOOD; return SANE_STATUS_GOOD;