[PATCH] samples/hidraw: make it possible to select device

[Pavel Machek]

Makefile that can actually build the example, and allow selecting
device to work on.
    
Signed-off-by: Pavel Machek <pavel@xxxxxx>

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 @@ hostprogs-y := hid-example
 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 @@ int main(int argc, char **argv)
 	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");

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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