V4L/DVB (9006): S2API: Allow reliable use of old and new api on the same frontend, regardless.

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From: Linux Kernel Mailing List
Date: Monday, October 13, 2008 - 3:14 pm

Gitweb:     http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4dd88b...
Commit:     4dd88bec368a6e4caa86a511f7adbc4c08992c5c
Parent:     e6f9ec86575358309cf9d4b2643df2f3b1f6f9fa
Author:     Steven Toth <stoth@linuxtv.org>
AuthorDate: Sat Sep 13 15:09:07 2008 -0300
Committer:  Mauro Carvalho Chehab <mchehab@redhat.com>
CommitDate: Sun Oct 12 09:37:05 2008 -0200

    V4L/DVB (9006): S2API: Allow reliable use of old and new api on the same frontend, regardless.
    
    Signed-off-by: Steven Toth <stoth@linuxtv.org>
    Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/dvb-core/dvb_frontend.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index 161ebcf..6b914f9 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -1299,8 +1299,10 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file,
 
 	if ((cmd == FE_SET_PROPERTY) || (cmd == FE_GET_PROPERTY))
 		err = dvb_frontend_ioctl_properties(inode, file, cmd, parg);
-	else
+	else {
+		fe->dtv_property_cache.state = DTV_UNDEFINED;
 		err = dvb_frontend_ioctl_legacy(inode, file, cmd, parg);
+	}
 
 	up(&fepriv->sem);
 	return err;
@@ -1567,8 +1569,6 @@ static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file,
 	case FE_SET_FRONTEND: {
 		struct dvb_frontend_tune_settings fetunesettings;
 
-		dtv_property_cache_sync(fe, &fepriv->parameters);
-
 		if(fe->dtv_property_cache.state == DTV_TUNE) {
 			if (dvb_frontend_check_parameters(fe, &fepriv->parameters) < 0) {
 				err = -EINVAL;
@@ -1580,6 +1580,7 @@ static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file,
 				break;
 			}
 
+			dtv_property_cache_sync(fe, &fepriv->parameters);
 			memcpy (&fepriv->parameters, parg,
 				sizeof (struct dvb_frontend_parameters));
 		}
--
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V4L/DVB (9006): S2API: Allow reliable use of old and new a ..., Linux Kernel Mailing ..., (Mon Oct 13, 3:14 pm)