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authorDan Williams <dan.j.williams@intel.com>2009-09-08 17:55:21 -0700
committerDan Williams <dan.j.williams@intel.com>2009-09-08 17:55:21 -0700
commitbbb20089a3275a19e475dbc21320c3742e3ca423 (patch)
tree216fdc1cbef450ca688135c5b8969169482d9a48 /drivers/media/video/bt8xx
parent3e48e656903e9fd8bc805c6a2c4264d7808d315b (diff)
parent657a77fa7284d8ae28dfa48f1dc5d919bf5b2843 (diff)
downloadop-kernel-dev-bbb20089a3275a19e475dbc21320c3742e3ca423.zip
op-kernel-dev-bbb20089a3275a19e475dbc21320c3742e3ca423.tar.gz
Merge branch 'dmaengine' into async-tx-next
Conflicts: crypto/async_tx/async_xor.c drivers/dma/ioat/dma_v2.h drivers/dma/ioat/pci.c drivers/md/raid5.c
Diffstat (limited to 'drivers/media/video/bt8xx')
-rw-r--r--drivers/media/video/bt8xx/bttv-driver.c14
-rw-r--r--drivers/media/video/bt8xx/bttv-i2c.c21
2 files changed, 29 insertions, 6 deletions
diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c
index 23b7499..5eb1464 100644
--- a/drivers/media/video/bt8xx/bttv-driver.c
+++ b/drivers/media/video/bt8xx/bttv-driver.c
@@ -3152,6 +3152,7 @@ static unsigned int bttv_poll(struct file *file, poll_table *wait)
struct bttv_fh *fh = file->private_data;
struct bttv_buffer *buf;
enum v4l2_field field;
+ unsigned int rc = POLLERR;
if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
if (!check_alloc_btres(fh->btv,fh,RESOURCE_VBI))
@@ -3160,9 +3161,10 @@ static unsigned int bttv_poll(struct file *file, poll_table *wait)
}
if (check_btres(fh,RESOURCE_VIDEO_STREAM)) {
+ mutex_lock(&fh->cap.vb_lock);
/* streaming capture */
if (list_empty(&fh->cap.stream))
- return POLLERR;
+ goto err;
buf = list_entry(fh->cap.stream.next,struct bttv_buffer,vb.stream);
} else {
/* read() capture */
@@ -3191,11 +3193,12 @@ static unsigned int bttv_poll(struct file *file, poll_table *wait)
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE ||
buf->vb.state == VIDEOBUF_ERROR)
- return POLLIN|POLLRDNORM;
- return 0;
+ rc = POLLIN|POLLRDNORM;
+ else
+ rc = 0;
err:
mutex_unlock(&fh->cap.vb_lock);
- return POLLERR;
+ return rc;
}
static int bttv_open(struct file *file)
@@ -4166,7 +4169,6 @@ static struct video_device *vdev_init(struct bttv *btv,
if (NULL == vfd)
return NULL;
*vfd = *template;
- vfd->minor = -1;
vfd->v4l2_dev = &btv->c.v4l2_dev;
vfd->release = video_device_release;
vfd->debug = bttv_debug;
@@ -4629,7 +4631,7 @@ static int __init bttv_init_module(void)
#endif
if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
gbuffers = 2;
- if (gbufsize < 0 || gbufsize > BTTV_MAX_FBUF)
+ if (gbufsize > BTTV_MAX_FBUF)
gbufsize = BTTV_MAX_FBUF;
gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
if (bttv_verbose)
diff --git a/drivers/media/video/bt8xx/bttv-i2c.c b/drivers/media/video/bt8xx/bttv-i2c.c
index a99d92f..ebd1ee9 100644
--- a/drivers/media/video/bt8xx/bttv-i2c.c
+++ b/drivers/media/video/bt8xx/bttv-i2c.c
@@ -389,6 +389,27 @@ int __devinit init_bttv_i2c(struct bttv *btv)
}
if (0 == btv->i2c_rc && i2c_scan)
do_i2c_scan(btv->c.v4l2_dev.name, &btv->i2c_client);
+
+ /* Instantiate the IR receiver device, if present */
+ if (0 == btv->i2c_rc) {
+ struct i2c_board_info info;
+ /* The external IR receiver is at i2c address 0x34 (0x35 for
+ reads). Future Hauppauge cards will have an internal
+ receiver at 0x30 (0x31 for reads). In theory, both can be
+ fitted, and Hauppauge suggest an external overrides an
+ internal.
+
+ That's why we probe 0x1a (~0x34) first. CB
+ */
+ const unsigned short addr_list[] = {
+ 0x1a, 0x18, 0x4b, 0x64, 0x30,
+ I2C_CLIENT_END
+ };
+
+ memset(&info, 0, sizeof(struct i2c_board_info));
+ strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
+ i2c_new_probed_device(&btv->c.i2c_adap, &info, addr_list);
+ }
return btv->i2c_rc;
}
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