diff options
Diffstat (limited to 'drivers/media/video/bt8xx')
| -rw-r--r-- | drivers/media/video/bt8xx/bttv-driver.c | 14 | ||||
| -rw-r--r-- | drivers/media/video/bt8xx/bttv-i2c.c | 21 |
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 23b7499b318..5eb1464af67 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 a99d92fac3d..ebd1ee9dc87 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; } |