panel_hpd_gpio 72 drivers/gpu/drm/msm/edp/edp_ctrl.c struct gpio_desc *panel_hpd_gpio; panel_hpd_gpio 363 drivers/gpu/drm/msm/edp/edp_ctrl.c ctrl->panel_hpd_gpio = devm_gpiod_get(dev, "panel-hpd", GPIOD_IN); panel_hpd_gpio 364 drivers/gpu/drm/msm/edp/edp_ctrl.c if (IS_ERR(ctrl->panel_hpd_gpio)) { panel_hpd_gpio 365 drivers/gpu/drm/msm/edp/edp_ctrl.c ret = PTR_ERR(ctrl->panel_hpd_gpio); panel_hpd_gpio 366 drivers/gpu/drm/msm/edp/edp_ctrl.c ctrl->panel_hpd_gpio = NULL;