Messages in this thread | | | Date | Wed, 29 Apr 2015 12:54:02 +0100 | From | Lee Jones <> | Subject | Re: [PATCH v2 9/9] mfd: wm5110: Add delay before releasing reset line |
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On Fri, 17 Apr 2015, Charles Keepax wrote:
> On the wm5110 it is important the reset line is held for slightly longer > to ensure the device starts up well. This patch adds a 5mS delay for > this. > > Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> > --- > drivers/mfd/arizona-core.c | 9 +++++++++ > 1 files changed, 9 insertions(+), 0 deletions(-) > > diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c > index def3ad3..e1f0a68 100644 > --- a/drivers/mfd/arizona-core.c > +++ b/drivers/mfd/arizona-core.c > @@ -259,6 +259,15 @@ static inline void arizona_enable_reset(struct arizona *arizona) > static void arizona_disable_reset(struct arizona *arizona) > { > if (arizona->pdata.reset) { > + switch (arizona->type) { > + case WM5110: > + case WM8280:
Comment here please.
> + msleep(5); > + break; > + default: > + break; > + } > + > gpio_set_value_cansleep(arizona->pdata.reset, 1); > msleep(1); > }
-- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog
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