diff options
Diffstat (limited to 'drivers/media/radio/dsbr100.c')
| -rw-r--r-- | drivers/media/radio/dsbr100.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/media/radio/dsbr100.c b/drivers/media/radio/dsbr100.c index 2014ebc4e98..cc54ed4efc4 100644 --- a/drivers/media/radio/dsbr100.c +++ b/drivers/media/radio/dsbr100.c @@ -390,9 +390,11 @@ static void usb_dsbr100_disconnect(struct usb_interface *intf) static int vidioc_querycap(struct file *file, void *priv, struct v4l2_capability *v) { + struct dsbr100_device *radio = video_drvdata(file); + strlcpy(v->driver, "dsbr100", sizeof(v->driver)); strlcpy(v->card, "D-Link R-100 USB FM Radio", sizeof(v->card)); - sprintf(v->bus_info, "USB"); + usb_make_path(radio->usbdev, v->bus_info, sizeof(v->bus_info)); v->version = RADIO_VERSION; v->capabilities = V4L2_CAP_TUNER; return 0; @@ -450,7 +452,10 @@ static int vidioc_s_frequency(struct file *file, void *priv, if (radio->removed) return -EIO; + mutex_lock(&radio->lock); radio->curfreq = f->frequency; + mutex_unlock(&radio->lock); + retval = dsbr100_setfreq(radio, radio->curfreq); if (retval < 0) dev_warn(&radio->usbdev->dev, "Set frequency failed\n"); @@ -601,7 +606,10 @@ static int usb_dsbr100_close(struct file *file) if (!radio) return -ENODEV; + mutex_lock(&radio->lock); radio->users = 0; + mutex_unlock(&radio->lock); + if (!radio->removed) { retval = dsbr100_stop(radio); if (retval < 0) { |