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[06/14] pinctrl-sx150x: Improve sx150x_init_misc for SX1504/5/6

Message ID 1478015868-10309-7-git-send-email-andrew.smirnov@gmail.com
State New
Headers show

Commit Message

Andrey Smirnov Nov. 1, 2016, 3:57 p.m. UTC 
For Sx1504/5/6 only SX1506 has RegAdvanced, so put some code in place to
account for that.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
---
 drivers/pinctrl/pinctrl-sx150x.c | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/drivers/pinctrl/pinctrl-sx150x.c b/drivers/pinctrl/pinctrl-sx150x.c
index 4283504..9063424 100644
--- a/drivers/pinctrl/pinctrl-sx150x.c
+++ b/drivers/pinctrl/pinctrl-sx150x.c
@@ -926,6 +926,13 @@  static int sx150x_init_misc(struct sx150x_pinctrl *pctl)
 	case SX150X_456:
 		reg   = pctl->data->pri.x456.reg_advance;
 		value = 0x00;
+
+		/*
+		 * Only SX1506 has RegAdvanced, SX1504/5 are expected
+		 * to initialize this offset to zero
+		 */
+		if (!reg)
+			return 0;
 		break;
 	case SX150X_123:
 		reg   = pctl->data->pri.x123.reg_advance;