From 841680f6108abaa1ebb032137fa5a4850011a8a3 Mon Sep 17 00:00:00 2001
From: thierry1970 <thierry@ordissimo.com>
Date: Wed, 16 Dec 2020 13:41:31 +0100
Subject: [PATCH 1/2] Fix : Fixes the crash of devices that do not have a tray,
 discovered on the HP Deskjet 3760 device.

---
 backend/escl/escl.c | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/backend/escl/escl.c b/backend/escl/escl.c
index 0b923c6f0..f680879ea 100644
--- a/backend/escl/escl.c
+++ b/backend/escl/escl.c
@@ -578,8 +578,25 @@ init_options(SANE_String_Const name_source, escl_sane_t *s)
 	       s->scanner->source = PLATEN;
 	   if (source == s->scanner->source) return status;
     }
-    else
-	   s->scanner->source = PLATEN;
+    if (s->scanner->caps[s->scanner->source].ColorModes == NULL) {
+        if (s->scanner->caps[PLATEN].ColorModes)
+            s->scanner->source = PLATEN;
+        else if (s->scanner->caps[ADFSIMPLEX].ColorModes)
+            s->scanner->source = ADFSIMPLEX;
+        else if (s->scanner->caps[ADFDUPLEX].ColorModes)
+            s->scanner->source = ADFDUPLEX;
+        else
+            return SANE_STATUS_INVAL;
+    }
+    if (s->scanner->source == PLATEN) {
+        DBG (10, "SOURCE PLATEN.\n");
+    }
+    else if (s->scanner->source == ADFDUPLEX) {
+        DBG (10, "SOURCE ADFDUPLEX.\n");
+    }
+    else if (s->scanner->source == ADFSIMPLEX) {
+        DBG (10, "SOURCE ADFSIMPLEX.\n");
+    }
     memset (s->opt, 0, sizeof (s->opt));
     memset (s->val, 0, sizeof (s->val));
     for (i = 0; i < NUM_OPTIONS; ++i) {

From 6ad6352342812305e575fba632f8b83c0cb9c7d1 Mon Sep 17 00:00:00 2001
From: thierry1970 <thierry@ordissimo.com>
Date: Wed, 16 Dec 2020 13:50:24 +0100
Subject: [PATCH 2/2] Add model HP Deskjet 3760.

---
 doc/descriptions/escl.desc | 5 +++++
 doc/sane-escl.man          | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/doc/descriptions/escl.desc b/doc/descriptions/escl.desc
index 2c82aca5c..f6a6d428a 100644
--- a/doc/descriptions/escl.desc
+++ b/doc/descriptions/escl.desc
@@ -107,6 +107,11 @@
 :status :good
 :comment "All resolutions supported."
 
+:model "DeskJet 3760"
+:interface "WiFi"
+:status :good
+:comment "All resolutions supported."
+
 :model "LaserJet MFP M28w"
 :interface "WiFi"
 :status :untested
diff --git a/doc/sane-escl.man b/doc/sane-escl.man
index 136d60dc7..2f9dbf5b9 100644
--- a/doc/sane-escl.man
+++ b/doc/sane-escl.man
@@ -27,7 +27,7 @@ CANON PIXMA TR8500, TR8520
 .br
 EPSON ET3740, ET4750
 .br
-HP DESKJET 2710, DESKJET 2723, LASERJET MFP M28W,
+HP DESKJET 2710, DESKJET 2723, DESKJET 3760, LASERJET MFP M28W,
 .br
 HP OFFICEJET 4630, OFFICEJET PRO 8610
 .br