diff options
| author | Steven Toth <stoth@linuxtv.org> | 2008-09-12 01:37:37 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-10-12 09:37:05 -0200 |
| commit | bfbf2dae30ed75bceccc6a88d2d9368694d6bf40 (patch) | |
| tree | e0a0c548379bfb552553a247c6a90a4037adf562 /drivers/media/dvb/dvb-core | |
| parent | 363429a089590f3f4071ebc492b3712fdcba770b (diff) | |
V4L/DVB (9004): S2API: Implement GET/SET handing to the demods
The frontends will be notified (if they chose) of all _get and _set commands
so they can help determine result or action. Results are now returned
to userspace correctly.
Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/dvb-core')
| -rw-r--r-- | drivers/media/dvb/dvb-core/dvb_frontend.c | 21 | ||||
| -rw-r--r-- | drivers/media/dvb/dvb-core/dvb_frontend.h | 1 |
2 files changed, 17 insertions, 5 deletions
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 2ed748486e5..8bc3c0842b3 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -1104,6 +1104,13 @@ int dtv_property_process_get(struct dvb_frontend *fe, struct dtv_property *tvp, dtv_property_dump(tvp); + /* Allow the frontend to validate incoming properties */ + if (fe->ops.get_property) + r = fe->ops.get_property(fe, tvp); + + if (r < 0) + return r; + switch(tvp->cmd) { case DTV_FREQUENCY: tvp->u.data = fe->dtv_property_cache.frequency; @@ -1188,6 +1195,13 @@ int dtv_property_process_set(struct dvb_frontend *fe, struct dtv_property *tvp, printk("%s()\n", __FUNCTION__); dtv_property_dump(tvp); + /* Allow the frontend to validate incoming properties */ + if (fe->ops.set_property) + r = fe->ops.set_property(fe, tvp); + + if (r < 0) + return r; + switch(tvp->cmd) { case DTV_CLEAR: /* Reset a cache of data specific to the frontend here. This does @@ -1331,12 +1345,12 @@ static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file, } for (i = 0; i < tvps->num; i++) - dtv_property_process_set(fe, tvp + i, inode, file); + err |= dtv_property_process_set(fe, tvp + i, inode, file); if(fe->dtv_property_cache.state == DTV_TUNE) { printk("%s() Property cache is full, tuning\n", __FUNCTION__); } - err = 0; + } else if(cmd == FE_GET_PROPERTY) { printk("%s() FE_GET_PROPERTY\n", __FUNCTION__); @@ -1364,14 +1378,13 @@ static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file, } for (i = 0; i < tvps->num; i++) - dtv_property_process_get(fe, tvp + i, inode, file); + err |= dtv_property_process_get(fe, tvp + i, inode, file); if (copy_to_user(tvps->props, tvp, tvps->num * sizeof(struct dtv_property))) { err = -EFAULT; goto out; } - err = 0; } else err = -EOPNOTSUPP; diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.h b/drivers/media/dvb/dvb-core/dvb_frontend.h index 1c2090966ba..784e8fe1d3b 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.h +++ b/drivers/media/dvb/dvb-core/dvb_frontend.h @@ -172,7 +172,6 @@ struct dvb_frontend_ops { int (*set_property)(struct dvb_frontend* fe, struct dtv_property* tvp); int (*get_property)(struct dvb_frontend* fe, struct dtv_property* tvp); - int (*set_params)(struct dvb_frontend* fe); }; #define MAX_EVENT 8 |