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SubjectRe: Driver lis3lv02d_i2c not working on Nokia RX-51
Hi,

On Tue, Mar 26, 2013 at 04:02:39PM +0100, Pali Rohár wrote:
> CCing Aaro and Tony. Look at this thread on:
> https://lkml.org/lkml/2013/2/16/152
>
> What do you think how to fix this problem? I do not know about any
> HW regulator for n900 accelerometer and possible solutions could
> be revert that commit or adding fake regulator to board code...

I think the following should work:

...

From: Aaro Koskinen <aaro.koskinen@iki.fi>
Date: Tue, 26 Mar 2013 21:34:22 +0200
Subject: [PATCH] OMAP: RX-51: add missing regulator supply definitions for lis3lv02d

Add missing regulator definitions for lis3lv02d accelerometer. Fixes
the following probe issue:

[ 57.737518] lis3lv02d_i2c 3-001d: Failed to get supply 'Vdd': -517
[ 57.747100] i2c 3-001d: Driver lis3lv02d_i2c requests probe deferral

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
---
arch/arm/mach-omap2/board-rx51-peripherals.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index 3a077df..1a88467 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -547,12 +547,16 @@ static struct regulator_consumer_supply rx51_vio_supplies[] = {
REGULATOR_SUPPLY("DVDD", "2-0019"),
/* Si4713 IO supply */
REGULATOR_SUPPLY("vio", "2-0063"),
+ /* lis3lv02d */
+ REGULATOR_SUPPLY("Vdd_IO", "3-001d"),
};

static struct regulator_consumer_supply rx51_vaux1_consumers[] = {
REGULATOR_SUPPLY("vdds_sdi", "omapdss"),
/* Si4713 supply */
REGULATOR_SUPPLY("vdd", "2-0063"),
+ /* lis3lv02d */
+ REGULATOR_SUPPLY("Vdd", "3-001d"),
};

static struct regulator_init_data rx51_vaux1 = {
--
1.7.10.4
A.
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