diff --git a/sys/dev/hid/hconf.c b/sys/dev/hid/hconf.c --- a/sys/dev/hid/hconf.c +++ b/sys/dev/hid/hconf.c @@ -69,21 +69,25 @@ const char *name; const char *descr; uint16_t usage; + u_int value; } feature_control_descrs[] = { [INPUT_MODE] = { .name = "input_mode", .descr = "HID device input mode: 0 = mouse, 3 = touchpad", - .usage = HUD_INPUT_MODE + .usage = HUD_INPUT_MODE, + .value = HCONF_INPUT_MODE_MOUSE, }, [SURFACE_SWITCH] = { .name = "surface_switch", .descr = "Enable / disable switch for surface: 1 = on, 0 = off", - .usage = HUD_SURFACE_SWITCH + .usage = HUD_SURFACE_SWITCH, + .value = 1, }, [BUTTONS_SWITCH] = { .name = "buttons_switch", .descr = "Enable / disable switch for buttons: 1 = on, 0 = off", - .usage = HUD_BUTTONS_SWITCH + .usage = HUD_BUTTONS_SWITCH, + .value = 1, }, }; @@ -145,35 +149,24 @@ fbuf = malloc(fc->rlen, M_TEMP, M_WAITOK | M_ZERO); sx_xlock(&sc->lock); - /* Reports are not strictly required to be readable */ - error = hid_get_report(sc->dev, fbuf, fc->rlen, NULL, - HID_FEATURE_REPORT, fc->rid); - /* - * If the report is write-only, then we have to check for other controls - * that may share the same report and set their bits as well. + * Assume the report is write-only. Then we have to check for other + * controls that may share the same report and set their bits as well. */ - if (error != 0) { - bzero(fbuf + 1, fc->rlen - 1); - for (i = 0; i < nitems(sc->feature_controls); i++) { - struct feature_control *ofc = &sc->feature_controls[i]; - - /* Skip unrelated report IDs. */ - if (ofc->rid != fc->rid) - continue; - /* Skip self. */ - if (ofc == fc) - continue; - KASSERT(fc->rlen == ofc->rlen, - ("different lengths for report %d: %d vs %d\n", - fc->rid, fc->rlen, ofc->rlen)); - hid_put_udata(fbuf + 1, ofc->rlen - 1, &ofc->loc, - ofc->val); - } + bzero(fbuf + 1, fc->rlen - 1); + for (i = 0; i < nitems(sc->feature_controls); i++) { + struct feature_control *ofc = &sc->feature_controls[i]; + + /* Skip unrelated report IDs. */ + if (ofc->rid != fc->rid) + continue; + KASSERT(fc->rlen == ofc->rlen, + ("different lengths for report %d: %d vs %d\n", + fc->rid, fc->rlen, ofc->rlen)); + hid_put_udata(fbuf + 1, ofc->rlen - 1, &ofc->loc, ofc->val); } fbuf[0] = fc->rid; - hid_put_udata(fbuf + 1, fc->rlen - 1, &fc->loc, val); error = hid_set_report(sc->dev, fbuf, fc->rlen, HID_FEATURE_REPORT, fc->rid); @@ -277,11 +270,9 @@ sc, i, hconf_feature_control_handler, "I", feature_control_descrs[i].descr); } + sc->feature_controls[i].val = feature_control_descrs[i].value; } - /* Fully enable (at least, try to). */ - (void)hconf_set_feature_control(sc, SURFACE_SWITCH, 1); - (void)hconf_set_feature_control(sc, BUTTONS_SWITCH, 1); return (0); } @@ -305,6 +296,10 @@ for (i = 0; i < nitems(sc->feature_controls); i++) { if (sc->feature_controls[i].rlen < 2) continue; + /* Do not update usages to default value */ + if (sc->feature_controls[i].val == + feature_control_descrs[i].value) + continue; error = hconf_set_feature_control(sc, i, sc->feature_controls[i].val); if (error != 0) {