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authorJörg Frings-Fürst <debian@jff-webhosting.net>2015-04-27 06:51:24 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2015-04-27 06:51:24 +0200
commitf3843702a12cf46f9cd4d1be772055ec6893a1bb (patch)
tree3f3d8fe1f2b756dc2cd9fcff7b2e8e53539278ba /backend/epson2-ops.c
parentb2802d98d4486d6afc585062f4ca02fddf829dc5 (diff)
Release 1.0.25+git20150425-1
Diffstat (limited to 'backend/epson2-ops.c')
-rw-r--r--backend/epson2-ops.c34
1 files changed, 20 insertions, 14 deletions
diff --git a/backend/epson2-ops.c b/backend/epson2-ops.c
index d81deaf..5d8c84d 100644
--- a/backend/epson2-ops.c
+++ b/backend/epson2-ops.c
@@ -472,8 +472,10 @@ e2_set_tpu2_area(struct Epson_Scanner *s, int x, int y, int unit)
}
void
-e2_add_depth(Epson_Device * dev, SANE_Word depth)
+e2_add_depth(Epson_Device *dev, SANE_Int depth)
{
+ DBG(10, "%s: add (bpp): %d\n", __func__, depth);
+
if (depth > dev->maxDepth)
dev->maxDepth = depth;
@@ -765,7 +767,7 @@ e2_discover_capabilities(Epson_Scanner *s)
* Check for the max. supported color depth and assign
* the values to the bitDepthList.
*/
- dev->depth_list = malloc(sizeof(SANE_Word) * 4);
+ dev->depth_list = malloc(sizeof(SANE_Int) * (4 + 1));
if (dev->depth_list == NULL) {
DBG(1, "out of memory (line %d)\n", __LINE__);
return SANE_STATUS_NO_MEM;
@@ -776,9 +778,12 @@ e2_discover_capabilities(Epson_Scanner *s)
/* maximum depth discovery */
DBG(3, "discovering max depth, NAKs are expected\n");
- if (dev->maxDepth >= 16 || dev->maxDepth == 0) {
- if (esci_set_data_format(s, 16) == SANE_STATUS_GOOD)
- e2_add_depth(dev, 16);
+ /* add default depth */
+ e2_add_depth(dev, 8);
+
+ if (dev->maxDepth >= 12 || dev->maxDepth == 0) {
+ if (esci_set_data_format(s, 12) == SANE_STATUS_GOOD)
+ e2_add_depth(dev, 12);
}
if (dev->maxDepth >= 14 || dev->maxDepth == 0) {
@@ -786,14 +791,11 @@ e2_discover_capabilities(Epson_Scanner *s)
e2_add_depth(dev, 14);
}
- if (dev->maxDepth >= 12 || dev->maxDepth == 0) {
- if (esci_set_data_format(s, 12) == SANE_STATUS_GOOD)
- e2_add_depth(dev, 12);
+ if (dev->maxDepth >= 16 || dev->maxDepth == 0) {
+ if (esci_set_data_format(s, 16) == SANE_STATUS_GOOD)
+ e2_add_depth(dev, 16);
}
- /* add default depth */
- e2_add_depth(dev, 8);
-
DBG(1, "maximum supported color depth: %d\n", dev->maxDepth);
/*
@@ -1742,6 +1744,8 @@ e2_ext_read(struct Epson_Scanner *s)
SANE_Status status = SANE_STATUS_GOOD;
ssize_t buf_len = 0, read;
+ DBG(18, "%s: begin\n", __func__);
+
/* did we passed everything we read to sane? */
if (s->ptr == s->end) {
@@ -1765,10 +1769,12 @@ e2_ext_read(struct Epson_Scanner *s)
/* receive image data + error code */
read = e2_recv(s, s->buf, buf_len + 1, &status);
- DBG(18, "%s: read %lu bytes\n", __func__, (unsigned long) read);
+ DBG(18, "%s: read %lu bytes, status: %d\n", __func__, (unsigned long) read, status);
- if (read != buf_len + 1)
- return SANE_STATUS_IO_ERROR;
+ if (status != SANE_STATUS_GOOD) {
+ e2_cancel(s);
+ return status;
+ }
if (e2_dev_model(dev, "GT-8200") || e2_dev_model(dev, "Perfection1650")) {
/* See http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=597922#127 */