static long modem_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { int status = 0; printk(KERN_DEBUG "ACM_dun modem_ioctl: cmd=0x%x, arg=%lu\n", cmd, arg); if (!atomic_read(&link_state)) { printk(KERN_DEBUG "Cannot ioctl ACM_dun(not connected)\n"); return -ENODEV; } /* handle ioctls */ switch (cmd) { case GS_CDC_NOTIFY_SERIAL_STATE: status = acm_notify(s_acm_dev->acm_data, __constant_cpu_to_le16(arg)); break; case GS_IOC_NOTIFY_DTR_TEST: printk(KERN_ALERT"DUN : DTR %d\n", (int)arg); notify_control_line_state((int)arg); break; default: printk(KERN_ERR "ACM_dun: Unknown ioctl cmd(0x%x).\n", cmd); status = -ENOIOCTLCMD; } return status; }
static long modem_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { int ret = 0; printk(KERN_INFO "modem_ioctl: cmd=0x%x, arg=%lu\n", cmd, arg); /* handle ioctls */ switch (cmd) { case GS_CDC_NOTIFY_SERIAL_STATE: ret = acm_notify(acm_data, __constant_cpu_to_le16(arg)); return ret; case GS_IOC_NOTIFY_DTR_TEST: { printk(KERN_ALERT"DUN : DTR %d\n", (int)arg); notify_control_line_state((int)arg); break; } default: printk(KERN_INFO "modem_ioctl: Unknown ioctl cmd(0x%x).\n", cmd); return -ENOIOCTLCMD; } return 0; }
static int modem_ioctl (struct inode *inode, struct file *file, unsigned int cmd,unsigned long arg) { //hdlnc_ysyim_2010-4-26: remove log for popupnois when usb unmout //printk("modem_ioctl: cmd=0x%x, arg=%lu\n", cmd, arg); /* handle ioctls */ switch (cmd) { case GS_CDC_NOTIFY_SERIAL_STATE: acm_notify(acm_data, __constant_cpu_to_le16(arg)); break; case GS_IOC_NOTIFY_DTR_TEST: { printk(KERN_ALERT"DUN : DTR %d\n",(int)arg); notify_control_line_state((int)arg); break; } default: printk("modem_ioctl: Unknown ioctl cmd(0x%x).\n", cmd); return -ENOIOCTLCMD; } return 0; }