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Subject[build failure] Re: [GIT PULL] sound updates for 2.6.39-rc1

* Takashi Iwai <> wrote:

> Linus,
> please pull sound updates for v2.6.39-rc1 from:
> git:// for-linus

This build failure:

sound/built-in.o: In function `ldo_regulator_remove':
sgtl5000.c:(.text+0x82678): undefined reference to `regulator_unregister'
sound/built-in.o: In function `ldo_regulator_is_enabled':
sgtl5000.c:(.text+0x826c5): undefined reference to `rdev_get_drvdata'
sound/built-in.o: In function `ldo_regulator_disable':
sgtl5000.c:(.text+0x826ef): undefined reference to `rdev_get_drvdata'
sound/built-in.o: In function `ldo_regulator_enable':
sgtl5000.c:(.text+0x82756): undefined reference to `rdev_get_drvdata'
sound/built-in.o: In function `ldo_regulator_get_voltage':
sgtl5000.c:(.text+0x82815): undefined reference to `rdev_get_drvdata'
sound/built-in.o: In function `sgtl5000_probe':

has been pushed upstream - although the build breakage was reported against
linux-next two weeks ago, with fix provided, in this lkml thread:

[PATCH -next] soc: sgtl5000 uses regulator interfaces

Please do not push known-broken code upstream.

Randy's fix below resolved the bug for me.



From 8c7c9a0622d5b1955628961ae193c12d948c1871 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <>
Date: Fri, 4 Mar 2011 17:33:57 -0800
Subject: [PATCH] soc: Sgtl5000 uses regulator interfaces

sgtl5000 uses regulator interfaces, so make selecting it depend

sgtl5000.c:(.text+0x4ae33): undefined reference to `regulator_unregister'
sgtl5000.c:(.text+0x4af41): undefined reference to `rdev_get_drvdata'
sgtl5000.c:(.text+0x4b191): undefined reference to `regulator_register'

Signed-off-by: Randy Dunlap <>
Cc: Liam Girdwood <>
Cc: Mark Brown <>
Cc: Stephen Rothwell <>
Cc: Zeng Zhaoming <>
LKML-Reference: <>
Signed-off-by: Ingo Molnar <>
sound/soc/codecs/Kconfig | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index d63c175..84818f5 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -36,7 +36,7 @@ config SND_SOC_ALL_CODECS
select SND_SOC_MAX9850 if I2C
select SND_SOC_MAX9877 if I2C
select SND_SOC_PCM3008
- select SND_SOC_SGTL5000 if I2C
+ select SND_SOC_SGTL5000 if I2C && REGULATOR
select SND_SOC_SN95031 if INTEL_SCU_IPC
select SND_SOC_SSM2602 if I2C

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