On Thu, Jan 29, 2015 at 01:04:37PM +0000, Julijonas Kikutis wrote: > Some Samsung laptops with SABI3 delay the sleep for 10 seconds after > the lid is closed and do not wake up from sleep after the lid is opened. > A SABI command is needed to enable the better behavior. > > Command = 0x6e, d0 = 0x81 enables this behavior. Returns d0 = 0x01. > Command = 0x6e, d0 = 0x80 disables this behavior. Returns d0 = 0x00. > > Command = 0x6d and any d0 queries the state. This returns: > d0 = 0x00000*01, d1 = 0x00, d2 = 0x00, d3 = 0x0* when it is enabled. > d0 = 0x00000*00, d1 = 0x00, d2 = 0x00, d3 = 0x0* when it is disabled. > Where * is 0 - laptop has never slept or hibernated after switch on, > 1 - laptop has hibernated just before, > 2 - laptop has slept just before. > > Patch addresses bug https://bugzilla.kernel.org/show_bug.cgi?id=75901 . > It adds a sysfs attribute lid_handling with a description and also an > addition to the quirks structure to enable the mode by default. > > A user with another laptop in the bug report says that "power button has > to be pressed twice to wake the machine" when he or she enabled the mode > manually using the SABI command. Therefore, it is enabled by default > only for the single laptop that I have tested. > > Signed-off-by: Julijonas Kikutis <julijonas.kiku...@gmail.com>
Queued up, thanks Jujijonas. -- Darren Hart Intel Open Source Technology Center -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
