BTN_TR2
[BTN_TR2] = "BtnTR2", [BTN_SELECT] = "BtnSelect",
{ BTN_TR2, JC_BTN_SR_L, },
{ BTN_TR2, JC_BTN_ZR, },
{ BTN_TR2, JC_BTN_ZR, },
{ BTN_TR2, JC_BTN_ZR, },
{ BTN_TR2, JC_BTN_LSTICK, }, /* ZR */
input_report_key(ds->gamepad, BTN_TR2, ds_report->buttons[1] & DS_BUTTONS1_R2);
input_report_key(ds4->gamepad, BTN_TR2, ds4_report->buttons[1] & DS_BUTTONS1_R2);
BTN_TR2, /* R2 */
samsung_kbd_mouse_map_key_clear(BTN_TR2);
[0x0a] = BTN_TR2, /* R2 */
[0x0a] = BTN_TR2, /* R2 */
[0x8] = BTN_TR2, /* R2 */
input_event(input, EV_KEY, BTN_TR2, !!(b8 & BIT(0)));
input_event(input, EV_KEY, BTN_TR2, !!(b8 & BIT(0)));
input_set_capability(input, EV_KEY, BTN_TR2);
BTN_TR2, /* WIIMOD_CLASSIC_KEY_ZR */
BTN_TR2, /* WIIMOD_PRO_KEY_ZR */
static short analog_pad_btn[] = { BTN_A, BTN_B, BTN_C, BTN_X, BTN_TL2, BTN_TR2, BTN_SELECT, BTN_START, BTN_MODE, BTN_BASE };
static int cobra_btn[] = { BTN_START, BTN_SELECT, BTN_TL, BTN_TR, BTN_X, BTN_Y, BTN_Z, BTN_A, BTN_B, BTN_C, BTN_TL2, BTN_TR2, 0 };
BTN_TL, BTN_TR, BTN_TL2, BTN_TR2, BTN_A, BTN_B, BTN_X, BTN_Y,
static short gf2k_btn_pad[] = { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_TL2, BTN_TR2, BTN_START, BTN_SELECT };
static int grip_btn_gpp[] = { BTN_START, BTN_SELECT, BTN_TR2, BTN_Y, 0, BTN_TL2, BTN_A, BTN_B, BTN_X, 0, BTN_TL, BTN_TR, -1 };
{ BTN_TR, BTN_X, BTN_Y, BTN_Z, BTN_A, BTN_B, BTN_C, BTN_TL, BTN_TL2, BTN_TR2, BTN_MODE, BTN_SELECT, -1 };
input_report_key(input, BTN_TR2, b_rsp4 & BIT(6));
input_report_key(input, BTN_TR2, b_rsp4 & BIT(6));
input_set_capability(idev, EV_KEY, BTN_TR2);
{ 4, 3, { BTN_TL, BTN_TR, BTN_TR2 } },
input_report_key(dev, BTN_TR2,
BTN_TL2, BTN_TR2, /* triggers left/right */
input_report_key(dev, BTN_TR2, data[11]);
input_report_key(dev, BTN_TR2, data[5]);