CMD_GO_IDLE
(void) sda_init_cmd(slot, CMD_GO_IDLE, 0, R0, NULL);
(void) sda_init_cmd(slot, CMD_GO_IDLE, 0, R0, NULL);
rv = sda_init_cmd(slot, CMD_GO_IDLE, 0, R0, NULL);
(void) sda_init_cmd(slot, CMD_GO_IDLE, 0, R0, NULL);