diff options
| author |   Joonyoung Shim <jy0922.shim@samsung.com> | 2009-08-09 14:23:02 -0300 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-09-12 12:18:42 -0300 |
| commit | 3c7cc8d52c0bd60d214aca22772aa3602a2b3198 (patch) | |
| tree | 7018e376b3446607cc4a3be92e6e8914051aae24 /drivers/media/radio/si470x/radio-si470x-usb.c | |
| parent | V4L/DVB (12414): radio-si470x: change to dev_* macro from printk (diff) | |
| download | linux-dev-3c7cc8d52c0bd60d214aca22772aa3602a2b3198.tar.xz linux-dev-3c7cc8d52c0bd60d214aca22772aa3602a2b3198.zip | |
V4L/DVB (12415): radio-si470x: add disconnect check function
The si470x_disconnect_check is function to check disconnect state of
radio in common file. The function is implemented in each interface
file.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Tobias Lorenz <tobias.lorenz@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/radio/si470x/radio-si470x-usb.c')
| -rw-r--r-- | drivers/media/radio/si470x/radio-si470x-usb.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/media/radio/si470x/radio-si470x-usb.c b/drivers/media/radio/si470x/radio-si470x-usb.c index 6508161401f7..2f5cf6c7234d 100644 --- a/drivers/media/radio/si470x/radio-si470x-usb.c +++ b/drivers/media/radio/si470x/radio-si470x-usb.c @@ -371,6 +371,23 @@ static int si470x_get_scratch_page_versions(struct si470x_device *radio) /************************************************************************** + * General Driver Functions - DISCONNECT_CHECK + **************************************************************************/ + +/* + * si470x_disconnect_check - check whether radio disconnects + */ +int si470x_disconnect_check(struct si470x_device *radio) +{ + if (radio->disconnected) + return -EIO; + else + return 0; +} + + + +/************************************************************************** * RDS Driver Functions **************************************************************************/ |