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    SubjectRe: [RFC v1 PATCH 4/6] input: pmic8058_pwrkey: Add support for power key
    On Thu, Nov 11, 2010 at 05:30:21PM +0530, Trilok Soni wrote:
    > Hi Dmitry,
    > On 11/11/2010 12:51 PM, Dmitry Torokhov wrote:
    > > Hi Trilkok,
    > >
    > > On Wed, Nov 10, 2010 at 06:17:59PM +0530, Trilok Soni wrote:
    > >> Add support for PMIC8058 power key driven over dedicated KYPD_PWR_N
    > >> pin. It allows the user to specify the amount of time by which the
    > >> power key reporting can be delayed.
    > >>
    > >
    > > Why do we need to delay KEY_POWER reporting? Do we need to use high
    > > resolution timers or regular timers would do as well? KEY_END
    > > appears to be abused (you don't want to move your cursor to the end
    > > of line, do you?). Also I wonder if header file should reside in
    > > linux/mfd with the rest of pmic8058 components.
    > Most of the time Mobile devices come with single physical key for
    > POWER, which if pressed for less than 500ms (configurable) then it
    > will only report KEY_END (which say locks the screen on mobile) and if
    > it pressed more than 500ms then it will also report KEY_POWER event
    > too, which will say display menu on your mobile for asking you to
    > suspend/switch off/etc, operations.

    I see,. If you would have used KEY_SCREENLOCK iinstead of KEY_END I
    would likely not ask this question ;)

    > For the timers I can move from hrtimers to regular timers.
    > For the header file, I can move them to include/linux/mfd too. No
    > problem on that.

    I am not even sure we need to keep them in separate header files, but it
    is up to you.



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