From patchwork Sun Aug 10 00:47:18 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mauro Carvalho Chehab X-Patchwork-Id: 4703681 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 369AB9F39D for ; Sun, 10 Aug 2014 00:48:00 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6127220149 for ; Sun, 10 Aug 2014 00:47:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7614A20155 for ; Sun, 10 Aug 2014 00:47:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752036AbaHJArx (ORCPT ); Sat, 9 Aug 2014 20:47:53 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:55269 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751556AbaHJArh (ORCPT ); Sat, 9 Aug 2014 20:47:37 -0400 Received: from [187.57.189.12] (helo=smtp.w2.samsung.com) by bombadil.infradead.org with esmtpsa (Exim 4.80.1 #2 (Red Hat Linux)) id 1XGHIH-0002y4-95; Sun, 10 Aug 2014 00:47:29 +0000 Received: from mchehab by smtp.w2.samsung.com with local (Exim 4.80.1) (envelope-from ) id 1XGHIE-0003A7-DW; Sat, 09 Aug 2014 21:47:26 -0300 From: Mauro Carvalho Chehab Cc: Shuah Khan , Mauro Carvalho Chehab , Linux Media Mailing List , Mauro Carvalho Chehab Subject: [PATCH v2 12/18] [media] au0828: add pr_info to track au0828 suspend/resume code Date: Sat, 9 Aug 2014 21:47:18 -0300 Message-Id: <1407631644-11990-13-git-send-email-m.chehab@samsung.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1407631644-11990-1-git-send-email-m.chehab@samsung.com> References: <1407631644-11990-1-git-send-email-m.chehab@samsung.com> To: unlisted-recipients:; (no To-header on input) Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Suspend/resume conditions can be very tricky. Add some info printk's to help tracking what's happening there. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/usb/au0828/au0828-core.c | 4 ++++ drivers/media/usb/au0828/au0828-dvb.c | 4 ++++ drivers/media/usb/au0828/au0828-input.c | 4 ++++ drivers/media/usb/au0828/au0828-video.c | 5 +++++ 4 files changed, 17 insertions(+) diff --git a/drivers/media/usb/au0828/au0828-core.c b/drivers/media/usb/au0828/au0828-core.c index 452d14249348..bc064803b6c7 100644 --- a/drivers/media/usb/au0828/au0828-core.c +++ b/drivers/media/usb/au0828/au0828-core.c @@ -288,6 +288,8 @@ static int au0828_suspend(struct usb_interface *interface, if (!dev) return 0; + pr_info("Suspend\n"); + au0828_rc_suspend(dev); au0828_v4l2_suspend(dev); au0828_dvb_suspend(dev); @@ -303,6 +305,8 @@ static int au0828_resume(struct usb_interface *interface) if (!dev) return 0; + pr_info("Resume\n"); + /* Power Up the bridge */ au0828_write(dev, REG_600, 1 << 4); diff --git a/drivers/media/usb/au0828/au0828-dvb.c b/drivers/media/usb/au0828/au0828-dvb.c index 99cf83bca033..ee45990c0be1 100644 --- a/drivers/media/usb/au0828/au0828-dvb.c +++ b/drivers/media/usb/au0828/au0828-dvb.c @@ -619,6 +619,8 @@ void au0828_dvb_suspend(struct au0828_dev *dev) struct au0828_dvb *dvb = &dev->dvb; if (dvb && dev->urb_streaming) { + pr_info("stopping DVB\n"); + cancel_work_sync(&dev->restart_streaming); /* Stop transport */ @@ -634,6 +636,8 @@ void au0828_dvb_resume(struct au0828_dev *dev) struct au0828_dvb *dvb = &dev->dvb; if (dvb && dev->urb_streaming) { + pr_info("resuming DVB\n"); + au0828_set_frontend(dvb->frontend); /* Start transport */ diff --git a/drivers/media/usb/au0828/au0828-input.c b/drivers/media/usb/au0828/au0828-input.c index 6db1ce8e09e1..63995f97dc65 100644 --- a/drivers/media/usb/au0828/au0828-input.c +++ b/drivers/media/usb/au0828/au0828-input.c @@ -378,6 +378,8 @@ int au0828_rc_suspend(struct au0828_dev *dev) if (!ir) return 0; + pr_info("Stopping RC\n"); + cancel_delayed_work_sync(&ir->work); /* Disable IR */ @@ -393,6 +395,8 @@ int au0828_rc_resume(struct au0828_dev *dev) if (!ir) return 0; + pr_info("Restarting RC\n"); + /* Enable IR */ au8522_rc_set(ir, 0xe0, 1 << 4); diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c index 193b2e364266..5f337b118bff 100644 --- a/drivers/media/usb/au0828/au0828-video.c +++ b/drivers/media/usb/au0828/au0828-video.c @@ -1876,7 +1876,10 @@ void au0828_v4l2_suspend(struct au0828_dev *dev) struct urb *urb; int i; + pr_info("stopping V4L2\n"); + if (dev->stream_state == STREAM_ON) { + pr_info("stopping V4L2 active URBs\n"); au0828_analog_stream_disable(dev); /* stop urbs */ for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { @@ -1900,6 +1903,8 @@ void au0828_v4l2_resume(struct au0828_dev *dev) { int i, rc; + pr_info("restarting V4L2\n"); + if (dev->stream_state == STREAM_ON) { au0828_stream_interrupt(dev); au0828_init_tuner(dev);