On Monday, August 06, 2012 1:48 PM Sachin Kamat wrote:
>
> Hi Jingoo,
>
> On 6 August 2012 10:13, Jingoo Han <[email protected]> wrote:
> > Since msleep might not sleep for the desired amount when less
> > than 20ms, use usleep_range.
> >
> > Cc: Ashish Jangam <[email protected]>
> > Cc: Richard Purdie <[email protected]>
> > Signed-off-by: Jingoo Han <[email protected]>
> > ---
> > drivers/video/backlight/da9052_bl.c | 2 +-
> > 1 files changed, 1 insertions(+), 1 deletions(-)
> >
> > diff --git a/drivers/video/backlight/da9052_bl.c
> > b/drivers/video/backlight/da9052_bl.c
> > index b628d68..10485c9 100644
> > --- a/drivers/video/backlight/da9052_bl.c
> > +++ b/drivers/video/backlight/da9052_bl.c
> > @@ -72,7 +72,7 @@ static int da9052_adjust_wled_brightness(struct da9052_bl
> > *wleds)
> > if (ret < 0)
> > return ret;
> >
> > - msleep(10);
> > + usleep_range(10000, 11000);
>
> Can't we just use usleep(10000) instead?
usleep() is not available.
For more details, refer to Documentation/timers/timers-howto.txt.
>
>
> >
> > if (wleds->brightness) {
> > ret = da9052_reg_write(wleds->da9052,
> > wled_bank[wleds->led_reg],
> > --
> > 1.7.1
> >
> >
> > --
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>
>
>
> --
> With warm regards,
> Sachin
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