package/mtdev2tuio: fix build with musl 1.2.0

Fixes:
 - http://autobuild.buildroot.org/results/a30823f1388f37820d8a4f29b9b2c1de9b3992ac

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

diff --git a/package/mtdev2tuio/0002-mtdev2tuio.c-fix-build-with-musl-1.2.0.patch b/package/mtdev2tuio/0002-mtdev2tuio.c-fix-build-with-musl-1.2.0.patch
new file mode 100644 (file)
index 0000000..24ceff5
--- /dev/null
+++ b/package/mtdev2tuio/0002-mtdev2tuio.c-fix-build-with-musl-1.2.0.patch
@@ -0,0 +1,57 @@
+From 6fb492ba72b4ecbe5ebba44647e838fb998ee061 Mon Sep 17 00:00:00 2001
+From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+Date: Sat, 25 Apr 2020 12:19:32 +0200
+Subject: [PATCH] mtdev2tuio.c: fix build with musl 1.2.0
+
+time element is deprecated on new input_event structure in kernel's
+input.h [1]
+
+[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=152194fe9c3f
+
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+[Upstream status: https://github.com/olivopaolo/mtdev2tuio/pull/6]
+---
+ mtdev2tuio.c | 13 +++++++++----
+ 1 file changed, 9 insertions(+), 4 deletions(-)
+
+diff --git a/mtdev2tuio.c b/mtdev2tuio.c
+index 3a9174f..fced70c 100644
+--- a/mtdev2tuio.c
++++ b/mtdev2tuio.c
+@@ -47,8 +47,13 @@
+ 
+ typedef __u64 nstime;
+ 
+-static inline __u64 timeval_to_ns(const struct timeval *tv) {
+-  return ((__u64) tv->tv_sec * NSEC_PER_SEC) + tv->tv_usec * NSEC_PER_USEC ;
++#ifndef input_event_sec
++#define input_event_sec time.tv_sec
++#define input_event_usec time.tv_usec
++#endif
++
++static inline __u64 timeval_to_ns(const struct input_event *ev) {
++  return ((__u64) ev->input_event_sec * NSEC_PER_SEC) + ev->input_event_usec * NSEC_PER_USEC ;
+ }
+ 
+ static float calc_speed(float s, float s_1, nstime t, nstime t_1) {
+@@ -159,7 +164,7 @@ static void process_event(struct state_t *s, struct device_t *d, const struct in
+       case ABS_MT_POSITION_X:
+       s->slot[s->cs].x_1 = s->slot[s->cs].x ;
+       s->slot[s->cs].x = (ev->value - d->x_ofs) * d->x_scale ;
+-      time = timeval_to_ns(&ev->time) ;
++      time = timeval_to_ns(ev) ;
+       s->slot[s->cs].X = calc_speed(s->slot[s->cs].x, s->slot[s->cs].x_1, time, s->slot[s->cs].t_x) ;
+       s->slot[s->cs].t_x = time ;
+       // this slot has been changed
+@@ -168,7 +173,7 @@ static void process_event(struct state_t *s, struct device_t *d, const struct in
+       case ABS_MT_POSITION_Y :
+       s->slot[s->cs].y_1 = s->slot[s->cs].y ;
+       s->slot[s->cs].y = (ev->value - d->y_ofs) * d->y_scale ;
+-      time = timeval_to_ns(&ev->time) ;
++      time = timeval_to_ns(ev) ;
+       s->slot[s->cs].Y = calc_speed(s->slot[s->cs].y, s->slot[s->cs].y_1, time, s->slot[s->cs].t_y) ;
+       s->slot[s->cs].t_y = time ;
+       // this slot has been changed
+-- 
+2.25.1
+