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Commit 121c075c authored by Charles Keepax's avatar Charles Keepax Committed by Lee Jones
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mfd: wm5110: Add delay before releasing reset line 



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: default avatarCharles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent e6cb7341

drivers/mfd/arizona-core.c

+10 −0
Original line number Diff line number Diff line
@@ -259,6 +259,16 @@ 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:

			/* Meet requirements for minimum reset duration */

			msleep(5);

			break;

		default:

			break;

		}



		gpio_set_value_cansleep(arizona->pdata.reset, 1);

		msleep(1);

	}