HID: samples/hidraw: make it possible to select device
Makefile that can actually build the example, and allow selecting device to
work on.
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/samples/hidraw/Makefile b/samples/hidraw/Makefile
index 382eeae..a9ab961 100644
--- a/samples/hidraw/Makefile
+++ b/samples/hidraw/Makefile
@@ -8,3 +8,5 @@
always := $(hostprogs-y)
HOSTCFLAGS_hid-example.o += -I$(objtree)/usr/include
+
+all: hid-example
diff --git a/samples/hidraw/hid-example.c b/samples/hidraw/hid-example.c
index 512a7e5..92e6c15 100644
--- a/samples/hidraw/hid-example.c
+++ b/samples/hidraw/hid-example.c
@@ -46,10 +46,14 @@
char buf[256];
struct hidraw_report_descriptor rpt_desc;
struct hidraw_devinfo info;
+ char *device = "/dev/hidraw0";
+
+ if (argc > 1)
+ device = argv[1];
/* Open the Device with non-blocking reads. In real life,
don't use a hard coded path; use libudev instead. */
- fd = open("/dev/hidraw0", O_RDWR|O_NONBLOCK);
+ fd = open(device, O_RDWR|O_NONBLOCK);
if (fd < 0) {
perror("Unable to open device");