diff options
Diffstat (limited to 'drivers/media/video/stk-webcam.c')
| -rw-r--r-- | drivers/media/video/stk-webcam.c | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/drivers/media/video/stk-webcam.c b/drivers/media/video/stk-webcam.c index d1a2cefbf55..cbc105f975d 100644 --- a/drivers/media/video/stk-webcam.c +++ b/drivers/media/video/stk-webcam.c @@ -55,6 +55,8 @@ MODULE_AUTHOR("Jaime Velasco Juan <jsagarribay@gmail.com> and Nicolas VIVIEN"); MODULE_DESCRIPTION("Syntek DC1125 webcam driver"); +/* bool for webcam LED management */ +int first_init = 1; /* Some cameras have audio interfaces, we aren't interested in those */ static struct usb_device_id stkwebcam_table[] = { @@ -518,7 +520,7 @@ static int stk_prepare_sio_buffers(struct stk_camera *dev, unsigned n_sbufs) return -ENOMEM; for (i = 0; i < n_sbufs; i++) { if (stk_setup_siobuf(dev, i)) - return (dev->n_sbufs > 1)? 0 : -ENOMEM; + return (dev->n_sbufs > 1 ? 0 : -ENOMEM); dev->n_sbufs = i+1; } } @@ -558,9 +560,14 @@ static int v4l_stk_open(struct file *fp) vdev = video_devdata(fp); dev = vdev_to_camera(vdev); - if (dev == NULL || !is_present(dev)) { + if (dev == NULL || !is_present(dev)) return -ENXIO; - } + + if (!first_init) + stk_camera_write_reg(dev, 0x0, 0x24); + else + first_init = 0; + fp->private_data = dev; usb_autopm_get_interface(dev->interface); @@ -574,10 +581,12 @@ static int v4l_stk_release(struct file *fp) if (dev->owner == fp) { stk_stop_stream(dev); stk_free_buffers(dev); + stk_camera_write_reg(dev, 0x0, 0x49); /* turn off the LED */ + unset_initialised(dev); dev->owner = NULL; } - if(is_present(dev)) + if (is_present(dev)) usb_autopm_put_interface(dev->interface); return 0; @@ -654,7 +663,7 @@ static unsigned int v4l_stk_poll(struct file *fp, poll_table *wait) return POLLERR; if (!list_empty(&dev->sio_full)) - return (POLLIN | POLLRDNORM); + return POLLIN | POLLRDNORM; return 0; } @@ -891,9 +900,9 @@ static int stk_vidioc_g_fmt_vid_cap(struct file *filp, struct stk_camera *dev = priv; int i; - for (i = 0; i < ARRAY_SIZE(stk_sizes) - && stk_sizes[i].m != dev->vsettings.mode; - i++); + for (i = 0; i < ARRAY_SIZE(stk_sizes) && + stk_sizes[i].m != dev->vsettings.mode; i++) + ; if (i == ARRAY_SIZE(stk_sizes)) { STK_ERROR("ERROR: mode invalid\n"); return -EINVAL; @@ -1305,9 +1314,8 @@ static int stk_camera_probe(struct usb_interface *interface, usb_set_intfdata(interface, dev); err = stk_register_video_device(dev); - if (err) { + if (err) goto error; - } return 0; @@ -1350,6 +1358,7 @@ static int stk_camera_resume(struct usb_interface *intf) return 0; unset_initialised(dev); stk_initialise(dev); + stk_camera_write_reg(dev, 0x0, 0x49); stk_setup_format(dev); if (is_streaming(dev)) stk_start_stream(dev); |