From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758007Ab3BKQ1S (ORCPT ); Mon, 11 Feb 2013 11:27:18 -0500 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:35467 "EHLO opensource.wolfsonmicro.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757955Ab3BKQ1M (ORCPT ); Mon, 11 Feb 2013 11:27:12 -0500 From: Mark Brown To: Greg Kroah-Hartman , Chanwoo Choi , MyungJoo Ham Cc: linux-kernel@vger.kernel.org, patches@opensource.wolfsonmicro.com, Mark Brown Subject: [PATCH 04/11] extcon: arizona: Support additional configuration of microphone detection Date: Mon, 11 Feb 2013 16:26:59 +0000 Message-Id: <1360600026-16878-4-git-send-email-broonie@opensource.wolfsonmicro.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1360600026-16878-1-git-send-email-broonie@opensource.wolfsonmicro.com> References: <20130211162614.GH4607@opensource.wolfsonmicro.com> <1360600026-16878-1-git-send-email-broonie@opensource.wolfsonmicro.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Allow systems to tune detection rate and debounce suitably for their mechanical parameters. Signed-off-by: Mark Brown --- drivers/extcon/extcon-arizona.c | 12 ++++++++++++ include/linux/mfd/arizona/pdata.h | 6 ++++++ 2 files changed, 18 insertions(+) diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c index ab8b9c7..d7e1047 100644 --- a/drivers/extcon/extcon-arizona.c +++ b/drivers/extcon/extcon-arizona.c @@ -907,6 +907,18 @@ static int arizona_extcon_probe(struct platform_device *pdev) arizona->pdata.micd_bias_start_time << ARIZONA_MICD_BIAS_STARTTIME_SHIFT); + if (arizona->pdata.micd_rate) + regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, + ARIZONA_MICD_RATE_MASK, + arizona->pdata.micd_rate + << ARIZONA_MICD_RATE_SHIFT); + + if (arizona->pdata.micd_dbtime) + regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, + ARIZONA_MICD_DBTIME_MASK, + arizona->pdata.micd_dbtime + << ARIZONA_MICD_DBTIME_SHIFT); + /* * If we have a clamp use it, activating in conjunction with * GPIO5 if that is connected for jack detect operation. diff --git a/include/linux/mfd/arizona/pdata.h b/include/linux/mfd/arizona/pdata.h index bcbe4fd..2f5f08e 100644 --- a/include/linux/mfd/arizona/pdata.h +++ b/include/linux/mfd/arizona/pdata.h @@ -111,6 +111,12 @@ struct arizona_pdata { /** Mic detect ramp rate */ int micd_bias_start_time; + /** Mic detect sample rate */ + int micd_rate; + + /** Mic detect debounce level */ + int micd_dbtime; + /** Headset polarity configurations */ struct arizona_micd_config *micd_configs; int num_micd_configs; -- 1.7.10.4