aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/radio/dsbr100.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/radio/dsbr100.c')
-rw-r--r--drivers/media/radio/dsbr100.c10
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) {