diff options
| author | Michael Krufky <mkrufky@kernellabs.com> | 2009-05-23 18:00:59 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-12-05 18:40:21 -0200 |
| commit | 9133aee09e3689c116c526fa9011c33b872e65c1 (patch) | |
| tree | 39d57cadaf657855da42f44d77567f0a3ba3bc82 /drivers/media/dvb/dvb-core/dvb_frontend.c | |
| parent | dbda8f701abb0e4693a30e9bef4a2301d1c8ea80 (diff) | |
V4L/DVB (13103): create a standard method for dvb adapter drivers to override frontend ioctls
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/dvb-core/dvb_frontend.c')
| -rw-r--r-- | drivers/media/dvb/dvb-core/dvb_frontend.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 98082416aa5..e9ec8e91105 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -1712,7 +1712,18 @@ static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file, struct dvb_device *dvbdev = file->private_data; struct dvb_frontend *fe = dvbdev->priv; struct dvb_frontend_private *fepriv = fe->frontend_priv; - int err = -EOPNOTSUPP; + int cb_err, err = -EOPNOTSUPP; + + if (fe->dvb->fe_ioctl_override) { + cb_err = fe->dvb->fe_ioctl_override(fe, cmd, parg, + DVB_FE_IOCTL_PRE); + if (cb_err < 0) + return cb_err; + if (cb_err > 0) + return 0; + /* fe_ioctl_override returning 0 allows + * dvb-core to continue handling the ioctl */ + } switch (cmd) { case FE_GET_INFO: { @@ -1978,6 +1989,13 @@ static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file, break; }; + if (fe->dvb->fe_ioctl_override) { + cb_err = fe->dvb->fe_ioctl_override(fe, cmd, parg, + DVB_FE_IOCTL_POST); + if (cb_err < 0) + return cb_err; + } + return err; } |