On Mon, Sep 07, 2020 at 11:36:59AM +0200, Mauro Carvalho Chehab wrote: > While --device option doesn't work for enumerating and for RC/LIRC > specific control, it is still useful for testing purposes > for all kinds of input devices. For example, it can be used to > test mouse events: > > $ ./utils/keytable/ir-keytable -d /dev/input/event4 -t > Testing events. Please, press CTRL-C to abort. > 1222738.567737: event type EV_REL(0x02): REL_X (0x0000) value=1 > 1222738.567737: event type EV_SYN(0x00). > 1222738.573742: event type EV_REL(0x02): REL_X (0x0000) value=1 > 1222738.573742: event type EV_SYN(0x00). > 1222738.581738: event type EV_REL(0x02): REL_X (0x0000) value=2 > 1222738.581738: event type EV_REL(0x02): REL_Y (0x0001) value=1 > > So, re-add it, but only on test mode. Isn't this the same functionality as evtest(1), but not as complete? https://cgit.freedesktop.org/evtest/ evtest is packaged for Fedora, Debian, and Ubuntu. Sean > > Partially reverts: 906719e4c573 ("keytable: remove misleading --device argument") > > Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> > > diff --git a/utils/keytable/ir-keytable.1.in b/utils/keytable/ir-keytable.1.in > index 5237f0be2620..e12de34b2b68 100644 > --- a/utils/keytable/ir-keytable.1.in > +++ b/utils/keytable/ir-keytable.1.in > @@ -22,6 +22,9 @@ Auto\-load keymaps, based on a configuration file. Only works with > \fB\-c\fR, \fB\-\-clear\fR > Clears the scancode to keycode mappings. > .TP > +\fB\-d\fR, \fB\-\-device\fR=\fIDEV\fR > +Use specified input device. Works only on test mode. > +.TP > \fB\-D\fR, \fB\-\-delay\fR=\fIDELAY\fR > Sets the delay before repeating a keystroke. > .TP > @@ -66,6 +69,8 @@ print the v4l2\-utils version > Mandatory or optional arguments to long options are also mandatory or optional > for any corresponding short options. Options can be combined together. > .SS The options arguments are: > +.IP \fIDEV\fR > +the /dev/input/event* device to control > .IP \fISYSDEV\fR > the rc device as found at /sys/class/rc > .IP \fIKEYMAP\fR > diff --git a/utils/keytable/keytable.c b/utils/keytable/keytable.c > index 3df5fcf203ed..021479d6c4e0 100644 > --- a/utils/keytable/keytable.c > +++ b/utils/keytable/keytable.c > @@ -249,6 +249,7 @@ static const char doc[] = N_( > "You need to have read permissions on /dev/input for the program to work\n" > "\nOn the options below, the arguments are:\n" > " SYSDEV - the rc device as found at /sys/class/rc\n" > + " DEV - the /dev/input/event* device to control\n" > " KEYMAP - a keymap file with protocols and scancode to keycode mappings\n" > " SCANKEY - a set of scancode1=keycode1,scancode2=keycode2.. value pairs\n" > " PROTOCOL - protocol name (nec, rc-5, rc-6, jvc, sony, sanyo, rc-5-sz, lirc,\n" > @@ -267,6 +268,7 @@ static const struct argp_option options[] = { > {"sysdev", 's', N_("SYSDEV"), 0, N_("rc device to control, defaults to rc0 if not specified"), 0}, > {"test", 't', 0, 0, N_("test if IR is generating events"), 0}, > {"read", 'r', 0, 0, N_("reads the current scancode/keycode mapping"), 0}, > + {"device", 'd', N_("DEV"), 0, N_("ir device to control"), 0}, > {"write", 'w', N_("KEYMAP"), 0, N_("write (adds) the keymap from the specified file"), 0}, > {"set-key", 'k', N_("SCANKEY"), 0, N_("Change scan/key pairs"), 0}, > {"protocol", 'p', N_("PROTOCOL"), 0, N_("Protocol to enable (the other ones will be disabled). To enable more than one, use the option more than one time"), 0}, > @@ -285,6 +287,7 @@ static const char args_doc[] = N_(""); > > /* Static vars to store the parameters */ > static char *devclass = NULL; > +static char *devicename = NULL; > static int readtable = 0; > static int clear = 0; > int debug = 0; > @@ -551,6 +554,9 @@ static error_t parse_opt(int k, char *arg, struct argp_state *state) > if (!p || *p || period < 0) > argp_error(state, _("Invalid period: %s"), arg); > break; > + case 'd': > + devicename = arg; > + break; > case 's': > devclass = arg; > break; > @@ -2033,7 +2039,7 @@ int main(int argc, char *argv[]) > int dev_from_class = 0, write_cnt; > int fd; > static struct sysfs_names *names; > - struct rc_device rc_dev; > + struct rc_device rc_dev = { }; > > #ifdef ENABLE_NLS > setlocale (LC_ALL, ""); > @@ -2046,6 +2052,11 @@ int main(int argc, char *argv[]) > if (test_keymap) > return 0; > > + if (devicename &&( !test || devclass || clear || readtable || keytable || ch_proto || cfg.next || delay >= 0 || period >= 0 || bpf_protocol)) { > + fprintf (stderr, _("device option can be used only for test events\n")); > + return -1; > + } > + > /* Just list all devices */ > if (!clear && !readtable && !keytable && !ch_proto && !cfg.next && !test && delay < 0 && period < 0 && !bpf_protocol) { > if (show_sysfs_attribs(&rc_dev, devclass)) > @@ -2061,19 +2072,21 @@ int main(int argc, char *argv[]) > fprintf (stderr, _("Auto-mode can be used only with --read, --verbose and --sysdev options\n")); > return -1; > } > - > - names = find_device(devclass); > - if (!names) > - return -1; > - rc_dev.sysfs_name = names->name; > - if (get_attribs(&rc_dev, names->name)) { > + if (!devicename) { > + names = find_device(devclass); > + if (!names) > + return -1; > + rc_dev.sysfs_name = names->name; > + if (get_attribs(&rc_dev, names->name)) { > + free_names(names); > + return -1; > + } > + names->name = NULL; > free_names(names); > - return -1; > - } > - names->name = NULL; > - free_names(names); > > - dev_from_class++; > + devicename = rc_dev.input_name; > + dev_from_class++; > + } > > if (cfg.next) { > struct cfgfile *cur; > @@ -2124,14 +2137,14 @@ int main(int argc, char *argv[]) > } > > if (debug) > - fprintf(stderr, _("Opening %s\n"), rc_dev.input_name); > - fd = open(rc_dev.input_name, O_RDONLY | O_NONBLOCK); > + fprintf(stderr, _("Opening %s\n"), devicename); > + fd = open(devicename, O_RDONLY | O_NONBLOCK); > if (fd < 0) { > - perror(rc_dev.input_name); > + perror(devicename); > return -1; > } > if (dev_from_class) > - free(rc_dev.input_name); > + free(devicename); > if (get_input_protocol_version(fd)) > return -1; > > > > Thanks, > Mauro
