linux-kernel - [PATCH 2/2] regulator: of: Add support for parsing microvolts for suspend state

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Date:	Fri, 31 Oct 2014 20:52:58 -0700
From:	Doug Anderson <dianders@...omium.org>
To:	Mark Brown <broonie@...nel.org>
Cc:	javier.martinez@...labora.co.uk, Heiko Stuebner <heiko@...ech.de>,
	Chris Zhong <zyw@...k-chips.com>,
	Andrew Bresticker <abrestic@...omium.org>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	Doug Anderson <dianders@...omium.org>, lgirdwood@...il.com,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] regulator: of: Add support for parsing microvolts for suspend state

Leverage all the work that was done in (40e20d6 regulator: of: Add
support for parsing regulator_state for suspend state) and throw in
the ability to set suspend microvolts from the device tree.

Signed-off-by: Doug Anderson <dianders@...omium.org>
---
 drivers/regulator/of_regulator.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c
index f0d19fc..7fe93c5 100644
--- a/drivers/regulator/of_regulator.c
+++ b/drivers/regulator/of_regulator.c
@@ -107,6 +107,10 @@ static void of_get_regulation_constraints(struct device_node *np,
 					"regulator-off-in-suspend"))
 			suspend_state->disabled = true;
 
+		if (!of_property_read_u32(suspend_np,
+					"regulator-suspend-microvolt", &pval))
+			suspend_state->uV = pval;
+
 		of_node_put(suspend_np);
 		suspend_state = NULL;
 		suspend_np = NULL;
-- 
2.1.0.rc2.206.gedb03e5

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