linux-kernel - [PATCH 2/3] regulator: Add WM1811 support

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Message-Id: <1317149407-27635-2-git-send-email-broonie@opensource.wolfsonmicro.com>
Date:	Tue, 27 Sep 2011 19:50:06 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Samuel Ortiz <sameo@...ux.intel.com>, Liam Girdwood <lrg@...com>
Cc:	alsa-devel@...a-project.org, patches@...nsource.wolfsonmicro.com,
	linux-kernel@...r.kernel.org,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH 2/3] regulator: Add WM1811 support

The WM1811 has a slightly different range on LDO2 to other WM8994 class
devices.

Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
---

As with the ASoC patch this depends on the MFD changes - Liam, given
that ASoC is the thing most likely to run into cross-tree issues are you
OK with merging this via ASoC?

 drivers/regulator/wm8994-regulator.c |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/drivers/regulator/wm8994-regulator.c b/drivers/regulator/wm8994-regulator.c
index 1a6a690..b87bf5c 100644
--- a/drivers/regulator/wm8994-regulator.c
+++ b/drivers/regulator/wm8994-regulator.c
@@ -140,6 +140,14 @@ static int wm8994_ldo2_list_voltage(struct regulator_dev *rdev,
 		return (selector * 100000) + 900000;
 	case WM8958:
 		return (selector * 100000) + 1000000;
+	case WM1811:
+		switch (selector) {
+		case 0:
+			return -EINVAL;
+		default:
+			return (selector * 100000) + 950000;
+		}
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -170,6 +178,11 @@ static int wm8994_ldo2_set_voltage(struct regulator_dev *rdev,
 	case WM8958:
 		selector = (min_uV - 1000000) / 100000;
 		break;
+	case WM1811:
+		selector = (min_uV - 950000) / 100000;
+		if (selector == 0)
+			selector = 1;
+		break;
 	default:
 		return -EINVAL;
 	}
-- 
1.7.6.3

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