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[media] cx25821: remove video output support 

The video output functionality never worked for this driver. Now remove the
creation of the output video nodes as well to prevent users from thinking
that video output is available, when it isn't.

To correctly implement this the video output should use vb2 as well, and
that requires rewriting the output DMA setup. But without hardware to test
I am not able to do that.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Hans Verkuil 2014-12-12 10:28:00 -03:00 committed by Mauro Carvalho Chehab
parent 11c8a2df2c
commit b6f21dc354
4 changed files with 14 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/media/pci/cx25821/Makefile
View File

@ -1,6 +1,6 @@
cx25821-y := cx25821-core.o cx25821-cards.o cx25821-i2c.o \
cx25821-gpio.o cx25821-medusa-video.o \
cx25821-video.o cx25821-video-upstream.o
cx25821-video.o
obj-$(CONFIG_VIDEO_CX25821) += cx25821.o
obj-$(CONFIG_VIDEO_CX25821_ALSA) += cx25821-alsa.o

6
drivers/media/pci/cx25821/cx25821-core.c
View File

@ -965,11 +965,15 @@ void cx25821_dev_unregister(struct cx25821_dev *dev)
release_mem_region(dev->base_io_addr, pci_resource_len(dev->pci, 0));
for (i = 0; i < MAX_VID_CHANNEL_NUM - 1; i++) {
for (i = 0; i < MAX_VID_CAP_CHANNEL_NUM - 1; i++) {
if (i == SRAM_CH08) /* audio channel */
continue;
/*
* TODO: enable when video output is properly
* supported.
if (i == SRAM_CH09 || i == SRAM_CH10)
cx25821_free_mem_upstream(&dev->channels[i]);
*/
cx25821_video_unregister(dev, i);
}

2
drivers/media/pci/cx25821/cx25821-video.c
View File

@ -692,7 +692,7 @@ int cx25821_video_register(struct cx25821_dev *dev)
spin_lock_init(&dev->slock);
for (i = 0; i < MAX_VID_CHANNEL_NUM - 1; ++i) {
for (i = 0; i < MAX_VID_CAP_CHANNEL_NUM - 1; ++i) {
struct cx25821_channel *chan = &dev->channels[i];
struct video_device *vdev = &chan->vdev;
struct v4l2_ctrl_handler *hdl = &chan->hdl;

7
drivers/media/pci/cx25821/cx25821.h
View File

@ -88,6 +88,13 @@
#define CX25821_BOARD_CONEXANT_ATHENA10 1
#define MAX_VID_CHANNEL_NUM 12
/*
* Maximum capture-only channels. This can go away once video/audio output
* is fully supported in this driver.
*/
#define MAX_VID_CAP_CHANNEL_NUM 10
#define VID_CHANNEL_NUM 8
struct cx25821_fmt {