From mboxrd@z Thu Jan 1 00:00:00 1970 From: Liam Girdwood Subject: [PATCH] ASoC: twl6040 - add method to query HS DC offset step size in mV Date: Mon, 9 Jan 2012 12:10:16 +0000 Message-ID: <1326111016-6218-1-git-send-email-lrg@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from na3sys009aog109.obsmtp.com (na3sys009aog109.obsmtp.com [74.125.149.201]) by alsa0.perex.cz (Postfix) with ESMTP id 693A1103B99 for ; Mon, 9 Jan 2012 13:10:21 +0100 (CET) Received: by mail-ww0-f51.google.com with SMTP id dr1so1243035wgb.8 for ; Mon, 09 Jan 2012 04:10:20 -0800 (PST) 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: Mark Brown Cc: alsa-devel@alsa-project.org, Liam Girdwood List-Id: alsa-devel@alsa-project.org Provide a method for mach drivers to query the HS DC offset step size in mV. Signed-off-by: Liam Girdwood --- sound/soc/codecs/twl6040.c | 13 +++++++++++++ sound/soc/codecs/twl6040.h | 1 + 2 files changed, 14 insertions(+), 0 deletions(-) diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c index 3376e6f..4ae6b82 100644 --- a/sound/soc/codecs/twl6040.c +++ b/sound/soc/codecs/twl6040.c @@ -1029,6 +1029,19 @@ int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim) } EXPORT_SYMBOL_GPL(twl6040_get_trim_value); +int twl6040_get_hs_step_size(struct snd_soc_codec *codec) +{ + struct twl6040 *twl6040 = codec->control_data; + + if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_2) + /* For ES under ES_1.3 HS step is 2 mV */ + return 2; + else + /* For ES_1.3 HS step is 1 mV */ + return 1; +} +EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size); + static const struct snd_kcontrol_new twl6040_snd_controls[] = { /* Capture gains */ SOC_DOUBLE_TLV("Capture Preamplifier Volume", diff --git a/sound/soc/codecs/twl6040.h b/sound/soc/codecs/twl6040.h index a83277b..0028699 100644 --- a/sound/soc/codecs/twl6040.h +++ b/sound/soc/codecs/twl6040.h @@ -38,5 +38,6 @@ void twl6040_hs_jack_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack, int report); int twl6040_get_clk_id(struct snd_soc_codec *codec); int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim); +int twl6040_get_hs_step_size(struct snd_soc_codec *codec); #endif /* End of __TWL6040_H__ */ -- 1.7.5.4