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Searched refs:spindown (Results 1 – 6 of 6) sorted by relevance

/Linux-v5.4/Documentation/ioctl/
Dcdrom.rst49 CDROMGETSPINDOWN return 4-bit spindown value
50 CDROMSETSPINDOWN set 4-bit spindown value
720 char spindown;
722 ioctl(fd, CDROMGETSPINDOWN, &spindown);
729 The value of the current 4-bit spindown value.
738 char spindown
740 ioctl(fd, CDROMSETSPINDOWN, &spindown);
743 4-bit value used to control spindown (TODO: more detail here)
/Linux-v5.4/include/uapi/linux/
Dfd.h141 unsigned long spindown; /* timeout needed for spindown */ member
/Linux-v5.4/drivers/ide/
Dide-cd.c1645 char spindown; in idecd_set_spindown() local
1647 if (copy_from_user(&spindown, (void __user *)arg, sizeof(char))) in idecd_set_spindown()
1656 buffer[11] = (buffer[11] & 0xf0) | (spindown & 0x0f); in idecd_set_spindown()
1665 char spindown; in idecd_get_spindown() local
1673 spindown = buffer[11] & 0x0f; in idecd_get_spindown()
1674 if (copy_to_user((void __user *)arg, &spindown, sizeof(char))) in idecd_get_spindown()
/Linux-v5.4/Documentation/admin-guide/laptops/
Dlaptop-mode.rst59 * Most desktop hard drives have a very limited lifetime measured in spindown
125 Maximum time, in seconds, of hard drive spindown time that you are
144 The devices for which the spindown timeout should be adjusted by laptop mode.
202 of his regular 3 to 3.5 hours) using a spindown time of 5 seconds (BATT_HD=1).
240 # Maximum time, in seconds, of hard drive spindown time that you are
312 # Set the spindown timeout on a hard drive?
354 # Maximum time, in seconds, of hard drive spindown time that you are
374 # spindown time for HD (hdparm -S values)
/Linux-v5.4/drivers/block/
Dfloppy.c936 jiffies + UDP->spindown - delta; in floppy_off()
3606 compat_ulong_t spindown; member
3738 UDP->spindown = v.spindown; in compat_setdrvprm()
3768 v.spindown = UDP->spindown; in compat_getdrvprm()
/Linux-v5.4/Documentation/power/
Dswsusp.rst252 For devices like disk it does matter, you do not want to spindown for