static void acm_tty_break_ctl(struct tty_struct *tty, int state) { struct acm *acm = tty->driver_data; if (!ACM_READY(acm)) return; if (acm_send_break(acm, state ? 0xffff : 0)) dbg("send break failed"); }
static int acm_tty_break_ctl(struct tty_struct *tty, int state) { struct acm *acm = tty->driver_data; int retval; if (!ACM_READY(acm)) return -EINVAL; retval = acm_send_break(acm, state ? 0xffff : 0); if (retval < 0) dbg("send break failed"); return retval; }
static int acm_tty_break_ctl(struct tty_struct *tty, int state) { struct acm *acm = tty->driver_data; int retval; retval = acm_send_break(acm, state ? 0xffff : 0); if (retval < 0) dev_dbg(&acm->control->dev, "%s - send break failed\n", __func__); return retval; }