From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754657Ab3J0QbG (ORCPT ); Sun, 27 Oct 2013 12:31:06 -0400 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:43427 "EHLO opensource.wolfsonmicro.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753482Ab3J0QbE (ORCPT ); Sun, 27 Oct 2013 12:31:04 -0400 From: Charles Keepax To: cw00.choi@samsung.com Cc: myungjoo.ham@samsung.com, patches@opensource.wolfsonmicro.com, linux-kernel@vger.kernel.org, Charles Keepax Subject: [PATCH v2 1/2] extcon: arizona: Fix reset of HPDET after race with removal Date: Sun, 27 Oct 2013 16:19:11 +0000 Message-Id: <1382890752-30970-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> X-Mailer: git-send-email 1.7.2.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We need to make sure we reset back to our starting state, especially making sure that we have disabled poll in the register cache. Signed-off-by: Charles Keepax --- drivers/extcon/extcon-arizona.c | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-) diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c index ec9a14e..dac8ba0 100644 --- a/drivers/extcon/extcon-arizona.c +++ b/drivers/extcon/extcon-arizona.c @@ -596,9 +596,15 @@ static irqreturn_t arizona_hpdet_irq(int irq, void *data) dev_err(arizona->dev, "Failed to report HP/line: %d\n", ret); +done: + /* Reset back to starting range */ + regmap_update_bits(arizona->regmap, + ARIZONA_HEADPHONE_DETECT_1, + ARIZONA_HP_IMPEDANCE_RANGE_MASK | ARIZONA_HP_POLL, + 0); + arizona_extcon_do_magic(info, 0); -done: if (id_gpio) gpio_set_value_cansleep(id_gpio, 0); -- 1.7.2.5