[PATCH 5/5] mfd: wm5110: Add delay before releasing reset line

[Charles Keepax]

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@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
---
 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 c3973a0..4de5bf4 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -276,6 +276,15 @@ 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:
+			msleep(5);
+			break;
+		default:
+			break;
+		}
+
 		gpio_set_value_cansleep(arizona->pdata.reset, 1);
 		msleep(1);
 	}
-- 
1.7.2.5

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