On Wed, Jul 08, 2026 at 04:26:14PM +0200, Antoine Jacoutot wrote:
> On Wed, Jul 08, 2026 at 10:03:52AM +0000, Mikolaj Kucharski wrote:
> > Hi Antoine,
> >
> > I would like to add this small patch to make my scanner Canon PIXMA
> > MG3250 work with the SCAN button.
> >
> > See:
> >
> > - https://gitlab.com/sane-project/backends/-/work_items/856
> > - https://gitlab.com/sane-project/backends/-/merge_requests/933
>
> Seems fine.
> I'll have a look within the next couple of days.
> Thanks.
>
Thanks. Simpler patch below.
Index: Makefile
===================================================================
RCS file: /cvs/ports/graphics/sane-backends/Makefile,v
diff -u -p -u -r1.118 Makefile
--- Makefile 1 Nov 2025 11:16:41 -0000 1.118
+++ Makefile 9 Jul 2026 10:09:12 -0000
@@ -3,7 +3,7 @@ BROKEN-alpha= ICE hp5590.c:1141: error:
COMMENT= API for accessing scanners, backends
V= 1.4.0
-REVISION= 2
+REVISION= 3
DISTNAME= backends-${V}
PKGNAME= sane-${DISTNAME}
Index: patches/patch-backend_pixma_pixma_mp150_c
===================================================================
RCS file: patches/patch-backend_pixma_pixma_mp150_c
diff -N patches/patch-backend_pixma_pixma_mp150_c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ patches/patch-backend_pixma_pixma_mp150_c 9 Jul 2026 10:09:12 -0000
@@ -0,0 +1,24 @@
+PIXMA: decode SCAN button interrupt on MG3200 series (buf[4])
+
+- https://gitlab.com/sane-project/backends/-/work_items/856
+- https://gitlab.com/sane-project/backends/-/merge_requests/933
+
+Index: backend/pixma/pixma_mp150.c
+--- backend/pixma/pixma_mp150.c.orig
++++ backend/pixma/pixma_mp150.c
+@@ -1049,6 +1049,15 @@ handle_interrupt (pixma_t * s, int timeout)
+ s->events = PIXMA_EV_BUTTON1 | (buf[0x13] & 0x0f);
+ }
+ }
++ else if (s->cfg->pid == MG3200_PID)
++ /* MG3200 series: SCAN is the only button reported; flag in buf[4]. */
++ {
++ if (buf[4] & 1)
++ {
++ /* start scan */
++ s->events = PIXMA_EV_BUTTON1;
++ }
++ }
+ else
+ /* button no. in buf[0]
+ * original in buf[0]
--
Regards,
Mikolaj
