Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754518AbbFSKrp (ORCPT ); Fri, 19 Jun 2015 06:47:45 -0400 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:56306 "EHLO opensource.wolfsonmicro.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932233AbbFSKrG (ORCPT ); Fri, 19 Jun 2015 06:47:06 -0400 From: Charles Keepax To: lee.jones@linaro.org, cw00.choi@samsung.com Cc: myungjoo.ham@samsung.com, sameo@linux.intel.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, patches@opensource.wolfsonmicro.com Subject: [PATCH v3 5/7] extcon: arizona: Ensure variables are set for headphone detection Date: Fri, 19 Jun 2015 11:33:07 +0100 Message-Id: <1434709989-28300-6-git-send-email-ckeepax@opensource.wolfsonmicro.com> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1434709989-28300-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> References: <1434709989-28300-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2173 Lines: 69 The detecting flag really refers to the microphone detection stage and as such should be cleared before arizona_identify_headphones is called. Also the mic flag should be set before identify headphones is called as well. Otherwise the microphone detection will not be disabled during the headphone detection and we can get false button reports caused by the clamping that is part of the headphone detection. Signed-off-by: Charles Keepax --- drivers/extcon/extcon-arizona.c | 11 +++++++---- 1 files changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c index eb8cf74..8a87ecd 100644 --- a/drivers/extcon/extcon-arizona.c +++ b/drivers/extcon/extcon-arizona.c @@ -765,10 +765,11 @@ static void arizona_micd_timeout_work(struct work_struct *work) mutex_lock(&info->lock); dev_dbg(info->arizona->dev, "MICD timed out, reporting HP\n"); - arizona_identify_headphone(info); info->detecting = false; + arizona_identify_headphone(info); + arizona_stop_mic(info); mutex_unlock(&info->lock); @@ -834,6 +835,9 @@ static void arizona_micd_detect(struct work_struct *work) /* If we got a high impedence we should have a headset, report it. */ if (info->detecting && (val & ARIZONA_MICD_LVL_8)) { + info->mic = true; + info->detecting = false; + arizona_identify_headphone(info); ret = extcon_set_cable_state_(info->edev, @@ -849,8 +853,6 @@ static void arizona_micd_detect(struct work_struct *work) ret); } - info->mic = true; - info->detecting = false; goto handled; } @@ -863,10 +865,11 @@ static void arizona_micd_detect(struct work_struct *work) if (info->detecting && (val & MICD_LVL_1_TO_7)) { if (info->jack_flips >= info->micd_num_modes * 10) { dev_dbg(arizona->dev, "Detected HP/line\n"); - arizona_identify_headphone(info); info->detecting = false; + arizona_identify_headphone(info); + arizona_stop_mic(info); } else { info->micd_mode++; -- 1.7.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in Please read the FAQ at http://www.tux.org/lkml/