linux-kernel - [PATCH] regulator: wm8994: Use GPIO parsed from DT when registering regulators

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Date:	Thu, 11 Apr 2013 18:36:57 +0200
From:	Sylwester Nawrocki <s.nawrocki@...sung.com>
To:	broonie@...nsource.wolfsonmicro.com
Cc:	linux-kernel@...r.kernel.org, kyungmin.park@...sung.com,
	devicetree-discuss@...ts.ozlabs.org,
	Sylwester Nawrocki <s.nawrocki@...sung.com>
Subject: [PATCH] regulator: wm8994: Use GPIO parsed from DT when registering
 regulators

Ensure the regulators are registered with a GPIO parsed from the device
tree when available.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@...sung.com>
---
 drivers/regulator/wm8994-regulator.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/regulator/wm8994-regulator.c b/drivers/regulator/wm8994-regulator.c
index 086be66..dab41ae 100644
--- a/drivers/regulator/wm8994-regulator.c
+++ b/drivers/regulator/wm8994-regulator.c
@@ -149,9 +149,11 @@ static int wm8994_ldo_probe(struct platform_device *pdev)
 	config.init_data = &ldo->init_data;
 	if (pdata)
 		config.ena_gpio = pdata->ldo[id].enable;
+	else if (wm8994->dev->of_node)
+		config.ena_gpio = wm8994->pdata.ldo[id].enable;
 
 	/* Use default constraints if none set up */
-	if (!pdata || !pdata->ldo[id].init_data) {
+	if (!pdata || !pdata->ldo[id].init_data || wm8994->dev->of_node) {
 		dev_dbg(wm8994->dev, "Using default init data, supply %s %s\n",
 			ldo->supply.dev_name, ldo->supply.supply);
 
-- 
1.7.9.5

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