From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753220AbcFOIMT (ORCPT ); Wed, 15 Jun 2016 04:12:19 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:57066 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752003AbcFOIMQ (ORCPT ); Wed, 15 Jun 2016 04:12:16 -0400 Subject: [PATCH] extcon: palmas: Fix boot up state of VBUS when using GPIO detection To: , References: <1465913075-30166-1-git-send-email-rogerq@ti.com> CC: , , , , , , From: Roger Quadros Message-ID: <57610DD5.1090606@ti.com> Date: Wed, 15 Jun 2016 11:12:05 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0 MIME-Version: 1.0 In-Reply-To: <1465913075-30166-1-git-send-email-rogerq@ti.com> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If USB cable is connected prior to boot, we don't get any interrupts so we must manually check the VBUS state and report it during probe. If we don't do it then USB controller will never know that peripheral cable was connected till the user unplugs and replugs the cable. Fixes: b7aad8e2685b ("extcon: palmas: Add the support for VBUS detection by using GPIO") Cc: stable@vger.kernel.org # v4.6+ Signed-off-by: Roger Quadros --- drivers/extcon/extcon-palmas.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/extcon/extcon-palmas.c b/drivers/extcon/extcon-palmas.c index 8b3226d..caff46c 100644 --- a/drivers/extcon/extcon-palmas.c +++ b/drivers/extcon/extcon-palmas.c @@ -360,6 +360,8 @@ static int palmas_usb_probe(struct platform_device *pdev) palmas_enable_irq(palmas_usb); /* perform initial detection */ + if (palmas_usb->enable_gpio_vbus_detection) + palmas_vbus_irq_handler(palmas_usb->gpio_vbus_irq, palmas_usb); palmas_gpio_id_detect(&palmas_usb->wq_detectid.work); device_set_wakeup_capable(&pdev->dev, true); return 0; -- 2.7.4