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| author | Pavel Machek <pavel@ucw.cz> | 2015-03-14 21:57:22 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2015-03-15 10:11:21 -0400 |
| commit | 04303f8ec14269b0ea2553863553bc7eaadca1f8 (patch) | |
| tree | a814df06fe760b693693071b60f8ab6205998a2d /samples | |
| parent | f3dddf2432e3123ef34b470129295641f7513d26 (diff) | |
| download | lwn-04303f8ec14269b0ea2553863553bc7eaadca1f8.tar.gz lwn-04303f8ec14269b0ea2553863553bc7eaadca1f8.zip | |
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')
| -rw-r--r-- | samples/hidraw/Makefile | 2 | ||||
| -rw-r--r-- | samples/hidraw/hid-example.c | 6 |
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"); |