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authorJörg Frings-Fürst <debian@jff-webhosting.net>2019-07-31 17:00:58 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2019-07-31 17:00:58 +0200
commitd087d778ffb62e2713cb848540bcc819470365bd (patch)
treed69692a274dd1c7d0672e6bb7155a0fc106f9d49 /backend/snapscan-usb.c
parentc8bd2513ecba169cff44c09c8058c36987357b18 (diff)
parent3759ce55ba79b8d3b9d8ed247a252273ee7dade3 (diff)
Merge branch 'feature/upstream' into develop
Diffstat (limited to 'backend/snapscan-usb.c')
-rw-r--r--backend/snapscan-usb.c33
1 files changed, 16 insertions, 17 deletions
diff --git a/backend/snapscan-usb.c b/backend/snapscan-usb.c
index ec6a53e..116f9db 100644
--- a/backend/snapscan-usb.c
+++ b/backend/snapscan-usb.c
@@ -1,8 +1,8 @@
/*
Snapscan 1212U modifications for the Snapscan SANE backend
-
+
Copyright (C) 2000 Henrik Johansson
-
+
Henrik Johansson (henrikjo@post.urfors.se)
This program is free software; you can redistribute it and/or
@@ -43,7 +43,7 @@
This file implements USB equivalents to the SCSI routines used by the Snapscan
backend.
-
+
History
0.1 2000-02-01
@@ -174,7 +174,7 @@ static SANE_Status snapscani_usb_open(const char *dev, int *fdp,
usb_sense_handler=sense_handler;
usb_pss = pss;
urb_counters->read_urbs = 0;
- urb_counters->write_urbs = 0;
+ urb_counters->write_urbs = 0;
return sanei_usb_open(dev, fdp);
}
@@ -182,13 +182,13 @@ static SANE_Status snapscani_usb_open(const char *dev, int *fdp,
static void snapscani_usb_close(int fd) {
static const char me[] = "snapscani_usb_close";
SANE_Word vendor_id, product_id;
-
+
DBG (DL_CALL_TRACE, "%s(%d)\n", me, fd);
DBG (DL_DATA_TRACE,"1st read %ld write %ld\n", urb_counters->read_urbs, urb_counters->write_urbs);
-
+
/* Check if URB counting is needed. If yes, ensure the number of sent and
received URBs is even.
- Odd number of URBs only cause problems with libusb and certain
+ Odd number of URBs only cause problems with libusb and certain
scanner models. On other scanner models, sending additional commands
seems to cause problems (e.g. 1212u_2).
If sanei_usb_get_vendor_product returns an error there's probably no
@@ -197,12 +197,12 @@ static void snapscani_usb_close(int fd) {
if (sanei_usb_get_vendor_product(fd, &vendor_id, &product_id) == SANE_STATUS_GOOD)
{
/* Exclude 1212u_2 */
- if (!((vendor_id == USB_VENDOR_AGFA) && (product_id == USB_PRODUCT_1212U2)))
+ if (!((vendor_id == USB_VENDOR_AGFA) && (product_id == USB_PRODUCT_1212U2)))
{
if ((urb_counters->read_urbs & 0x01) && (urb_counters->write_urbs & 0x01))
{
char cmd[] = {TEST_UNIT_READY, 0, 0, 0, 0, 0};
-
+
snapscani_usb_cmd (fd, cmd, sizeof (cmd), NULL, 0);
}
else if (urb_counters->read_urbs & 0x01)
@@ -211,7 +211,7 @@ static void snapscani_usb_close(int fd) {
char cmd[] = {TEST_UNIT_READY, 0, 0, 0, 0, 0};
char cmd2[] = {INQUIRY, 0, 0, 0, 120, 0};
char data[120];
-
+
read_bytes = 120;
snapscani_usb_cmd (fd, cmd2, sizeof (cmd2), data, &read_bytes);
snapscani_usb_cmd (fd, cmd, sizeof (cmd), NULL, 0);
@@ -221,11 +221,11 @@ static void snapscani_usb_close(int fd) {
size_t read_bytes;
char cmd[] = {INQUIRY, 0, 0, 0, 120, 0};
char data[120];
-
+
read_bytes = 120;
snapscani_usb_cmd (fd, cmd, sizeof (cmd), data, &read_bytes);
}
- DBG (DL_DATA_TRACE,"2nd read %ld write %ld\n", urb_counters->read_urbs,
+ DBG (DL_DATA_TRACE,"2nd read %ld write %ld\n", urb_counters->read_urbs,
urb_counters->write_urbs);
}
}
@@ -302,7 +302,7 @@ static SANE_Status usb_read(SANE_Int fd, void *buf, size_t n) {
DBG (DL_MAJOR_ERROR, "%s Only %lu bytes read\n",me, (u_long) bytes_read);
status = SANE_STATUS_IO_ERROR;
}
- urb_counters->read_urbs += ((63 + bytes_read) / 64);
+ urb_counters->read_urbs += ((63 + bytes_read) / 64);
DBG(DL_DATA_TRACE, "%s: reading: %s\n",me,usb_debug_data(dbgmsg,buf,n));
DBG(DL_DATA_TRACE, "Read %lu bytes\n", (u_long) bytes_read);
return status;
@@ -521,7 +521,7 @@ static SANE_Status snapscani_usb_shm_init(void)
}
memset(urb_counters, 0, shm_size);
return SANE_STATUS_GOOD;
-
+
}
static void snapscani_usb_shm_exit(void)
@@ -546,7 +546,7 @@ static SANE_Status snapscani_usb_shm_init(void)
strerror (errno));
return SANE_STATUS_NO_MEM;
}
-
+
shm_area = shmat (shm_id, NULL, 0);
if (shm_area == (void *) -1)
{
@@ -555,7 +555,7 @@ static SANE_Status snapscani_usb_shm_init(void)
shmctl (shm_id, IPC_RMID, NULL);
return SANE_STATUS_NO_MEM;
}
-
+
if (shmctl (shm_id, IPC_RMID, NULL) == -1)
{
DBG (DL_MAJOR_ERROR, "snapscani_usb_shm_init: cannot remove shared memory segment id: %s\n",
@@ -653,4 +653,3 @@ static void snapscani_usb_shm_exit(void)
* - Change copyright notice
*
* */
-