summaryrefslogtreecommitdiff
path: root/samples/hidraw
diff options
context:
space:
mode:
authorPavel Machek <pavel@ucw.cz>2015-03-14 21:57:22 +0100
committerJiri Kosina <jkosina@suse.cz>2015-03-15 10:11:21 -0400
commit04303f8ec14269b0ea2553863553bc7eaadca1f8 (patch)
treea814df06fe760b693693071b60f8ab6205998a2d /samples/hidraw
parentf3dddf2432e3123ef34b470129295641f7513d26 (diff)
downloadlinux-sh-04303f8ec14269b0ea2553863553bc7eaadca1f8.tar.gz
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>
Diffstat (limited to 'samples/hidraw')
-rw-r--r--samples/hidraw/Makefile2
-rw-r--r--samples/hidraw/hid-example.c6
2 files changed, 7 insertions, 1 deletions
diff --git a/samples/hidraw/Makefile b/samples/hidraw/Makefile
index 382eeae77bd6..a9ab96188fbe 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 512a7e50bcae..92e6c1511910 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");