From patchwork Sun Jan 27 19:45:08 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ondrej Zary X-Patchwork-Id: 2052411 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 1945CDFE86 for ; Sun, 27 Jan 2013 19:45:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755827Ab3A0Tpo (ORCPT ); Sun, 27 Jan 2013 14:45:44 -0500 Received: from mail-1.atlantis.sk ([80.94.52.57]:43353 "EHLO mail.atlantis.sk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755384Ab3A0Tpn (ORCPT ); Sun, 27 Jan 2013 14:45:43 -0500 Received: (qmail 27693 invoked from network); 27 Jan 2013 19:45:41 -0000 Received: from unknown (HELO localhost.localdomain) (linux@rainbow-software.org@89.173.145.150) by mail-1.atlantis.sk with ESMTPA; 27 Jan 2013 19:45:41 -0000 From: Ondrej Zary To: Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org Subject: [PATCH 3/7] saa7134: v4l2-compliance: use v4l2_fh to fix priority handling Date: Sun, 27 Jan 2013 20:45:08 +0100 Message-Id: <1359315912-1767-4-git-send-email-linux@rainbow-software.org> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1359315912-1767-1-git-send-email-linux@rainbow-software.org> References: <1359315912-1767-1-git-send-email-linux@rainbow-software.org> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Make saa7134 driver more V4L2 compliant: remove broken priority handling and use v4l2_fh instead Signed-off-by: Ondrej Zary Acked-by: Hans Verkuil --- drivers/media/pci/saa7134/saa7134-core.c | 3 +- drivers/media/pci/saa7134/saa7134-video.c | 61 +++------------------------- drivers/media/pci/saa7134/saa7134.h | 4 +- 3 files changed, 10 insertions(+), 58 deletions(-) diff --git a/drivers/media/pci/saa7134/saa7134-core.c b/drivers/media/pci/saa7134/saa7134-core.c index 8976d0e..ba08bd6 100644 --- a/drivers/media/pci/saa7134/saa7134-core.c +++ b/drivers/media/pci/saa7134/saa7134-core.c @@ -805,6 +805,7 @@ static struct video_device *vdev_init(struct saa7134_dev *dev, vfd->debug = video_debug; snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name, type, saa7134_boards[dev->board].name); + set_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags); video_set_drvdata(vfd, dev); return vfd; } @@ -1028,8 +1029,6 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev, } } - v4l2_prio_init(&dev->prio); - mutex_lock(&saa7134_devlist_lock); list_for_each_entry(mops, &mops_list, next) mpeg_ops_attach(mops, dev); diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c index db8da32..be745c0 100644 --- a/drivers/media/pci/saa7134/saa7134-video.c +++ b/drivers/media/pci/saa7134/saa7134-video.c @@ -1176,14 +1176,6 @@ int saa7134_s_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, str int restart_overlay = 0; int err; - /* When called from the empress code fh == NULL. - That needs to be fixed somehow, but for now this is - good enough. */ - if (fh) { - err = v4l2_prio_check(&dev->prio, fh->prio); - if (0 != err) - return err; - } err = -EINVAL; mutex_lock(&dev->lock); @@ -1352,6 +1344,7 @@ static int video_open(struct file *file) if (NULL == fh) return -ENOMEM; + v4l2_fh_init(&fh->fh, vdev); file->private_data = fh; fh->dev = dev; fh->radio = radio; @@ -1359,7 +1352,6 @@ static int video_open(struct file *file) fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); fh->width = 720; fh->height = 576; - v4l2_prio_open(&dev->prio, &fh->prio); videobuf_queue_sg_init(&fh->cap, &video_qops, &dev->pci->dev, &dev->slock, @@ -1384,6 +1376,8 @@ static int video_open(struct file *file) /* switch to video/vbi mode */ video_mux(dev,dev->ctl_input); } + v4l2_fh_add(&fh->fh); + return 0; } @@ -1504,7 +1498,8 @@ static int video_release(struct file *file) saa7134_pgtable_free(dev->pci,&fh->pt_cap); saa7134_pgtable_free(dev->pci,&fh->pt_vbi); - v4l2_prio_close(&dev->prio, fh->prio); + v4l2_fh_del(&fh->fh); + v4l2_fh_exit(&fh->fh); file->private_data = NULL; kfree(fh); return 0; @@ -1784,11 +1779,6 @@ static int saa7134_s_input(struct file *file, void *priv, unsigned int i) { struct saa7134_fh *fh = priv; struct saa7134_dev *dev = fh->dev; - int err; - - err = v4l2_prio_check(&dev->prio, fh->prio); - if (0 != err) - return err; if (i >= SAA7134_INPUT_MAX) return -EINVAL; @@ -1853,16 +1843,8 @@ int saa7134_s_std_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, v4l2_ unsigned long flags; unsigned int i; v4l2_std_id fixup; - int err; - /* When called from the empress code fh == NULL. - That needs to be fixed somehow, but for now this is - good enough. */ - if (fh) { - err = v4l2_prio_check(&dev->prio, fh->prio); - if (0 != err) - return err; - } else if (res_locked(dev, RESOURCE_OVERLAY)) { + if (!fh && res_locked(dev, RESOURCE_OVERLAY)) { /* Don't change the std from the mpeg device if overlay is active. */ return -EBUSY; @@ -2047,11 +2029,7 @@ static int saa7134_s_tuner(struct file *file, void *priv, { struct saa7134_fh *fh = priv; struct saa7134_dev *dev = fh->dev; - int rx, mode, err; - - err = v4l2_prio_check(&dev->prio, fh->prio); - if (0 != err) - return err; + int rx, mode; mode = dev->thread.mode; if (UNSET == mode) { @@ -2081,11 +2059,6 @@ static int saa7134_s_frequency(struct file *file, void *priv, { struct saa7134_fh *fh = priv; struct saa7134_dev *dev = fh->dev; - int err; - - err = v4l2_prio_check(&dev->prio, fh->prio); - if (0 != err) - return err; if (0 != f->tuner) return -EINVAL; @@ -2114,24 +2087,6 @@ static int saa7134_s_audio(struct file *file, void *priv, const struct v4l2_audi return 0; } -static int saa7134_g_priority(struct file *file, void *f, enum v4l2_priority *p) -{ - struct saa7134_fh *fh = f; - struct saa7134_dev *dev = fh->dev; - - *p = v4l2_prio_max(&dev->prio); - return 0; -} - -static int saa7134_s_priority(struct file *file, void *f, - enum v4l2_priority prio) -{ - struct saa7134_fh *fh = f; - struct saa7134_dev *dev = fh->dev; - - return v4l2_prio_change(&dev->prio, &fh->prio, prio); -} - static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv, struct v4l2_fmtdesc *f) { @@ -2460,8 +2415,6 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = { .vidioc_g_fbuf = saa7134_g_fbuf, .vidioc_s_fbuf = saa7134_s_fbuf, .vidioc_overlay = saa7134_overlay, - .vidioc_g_priority = saa7134_g_priority, - .vidioc_s_priority = saa7134_s_priority, .vidioc_g_parm = saa7134_g_parm, .vidioc_g_frequency = saa7134_g_frequency, .vidioc_s_frequency = saa7134_s_frequency, diff --git a/drivers/media/pci/saa7134/saa7134.h b/drivers/media/pci/saa7134/saa7134.h index 9059d08..2ffe069 100644 --- a/drivers/media/pci/saa7134/saa7134.h +++ b/drivers/media/pci/saa7134/saa7134.h @@ -35,6 +35,7 @@ #include #include #include +#include #include #include #include @@ -466,11 +467,11 @@ struct saa7134_dmaqueue { /* video filehandle status */ struct saa7134_fh { + struct v4l2_fh fh; struct saa7134_dev *dev; unsigned int radio; enum v4l2_buf_type type; unsigned int resources; - enum v4l2_priority prio; /* video overlay */ struct v4l2_window win; @@ -541,7 +542,6 @@ struct saa7134_dev { struct list_head devlist; struct mutex lock; spinlock_t slock; - struct v4l2_prio_state prio; struct v4l2_device v4l2_dev; /* workstruct for loading modules */ struct work_struct request_module_wk;