From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: [PATCH 05/17] ASoC: Enable WM8990 ADC clocking workaround Date: Tue, 18 Nov 2008 12:38:11 +0000 Message-ID: <1227011903-2825-5-git-send-email-broonie@opensource.wolfsonmicro.com> References: <1227011903-2825-1-git-send-email-broonie@opensource.wolfsonmicro.com> <1227011903-2825-2-git-send-email-broonie@opensource.wolfsonmicro.com> <1227011903-2825-3-git-send-email-broonie@opensource.wolfsonmicro.com> <1227011903-2825-4-git-send-email-broonie@opensource.wolfsonmicro.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from opensource2.wolfsonmicro.com (opensource.wolfsonmicro.com [80.75.67.52]) by alsa0.perex.cz (Postfix) with ESMTP id F40901037ED for ; Tue, 18 Nov 2008 13:38:26 +0100 (CET) In-Reply-To: <1227011903-2825-4-git-send-email-broonie@opensource.wolfsonmicro.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: Takashi Iwai Cc: alsa-devel@alsa-project.org, Mark Brown List-Id: alsa-devel@alsa-project.org Enable a hardware workaround which avoids problems with the clocking of the ADCs in certain configurations. Signed-off-by: Mark Brown --- sound/soc/codecs/wm8990.c | 6 ++++-- sound/soc/codecs/wm8990.h | 4 ++-- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/sound/soc/codecs/wm8990.c b/sound/soc/codecs/wm8990.c index 5c84f02..938e154 100644 --- a/sound/soc/codecs/wm8990.c +++ b/sound/soc/codecs/wm8990.c @@ -1272,9 +1272,11 @@ static int wm8990_set_bias_level(struct snd_soc_codec *codec, /* disable POBCTRL, SOFT_ST and BUFDCOPEN */ wm8990_write(codec, WM8990_ANTIPOP2, WM8990_BUFIOEN); - } else { - /* ON -> standby */ + /* Enable workaround for ADC clocking issue. */ + wm8990_write(codec, WM8990_EXT_ACCESS_ENA, 0x2); + wm8990_write(codec, WM8990_EXT_CTL1, 0xa003); + wm8990_write(codec, WM8990_EXT_ACCESS_ENA, 0); } break; diff --git a/sound/soc/codecs/wm8990.h b/sound/soc/codecs/wm8990.h index 0e192f3..7114ddc 100644 --- a/sound/soc/codecs/wm8990.h +++ b/sound/soc/codecs/wm8990.h @@ -80,8 +80,8 @@ #define WM8990_PLL3 0x3E #define WM8990_INTDRIVBITS 0x3F -#define WM8990_REGISTER_COUNT 60 -#define WM8990_MAX_REGISTER 0x3F +#define WM8990_EXT_ACCESS_ENA 0x75 +#define WM8990_EXT_CTL1 0x7a /* * Field Definitions. -- 1.5.6.5