vbackup 20 drivers/gnss/mtk.c struct regulator *vbackup; vbackup 90 drivers/gnss/mtk.c data->vbackup = devm_regulator_get_optional(&serdev->dev, "vbackup"); vbackup 91 drivers/gnss/mtk.c if (IS_ERR(data->vbackup)) { vbackup 92 drivers/gnss/mtk.c ret = PTR_ERR(data->vbackup); vbackup 94 drivers/gnss/mtk.c data->vbackup = NULL; vbackup 99 drivers/gnss/mtk.c if (data->vbackup) { vbackup 100 drivers/gnss/mtk.c ret = regulator_enable(data->vbackup); vbackup 112 drivers/gnss/mtk.c if (data->vbackup) vbackup 113 drivers/gnss/mtk.c regulator_disable(data->vbackup); vbackup 126 drivers/gnss/mtk.c if (data->vbackup) vbackup 127 drivers/gnss/mtk.c regulator_disable(data->vbackup);