- FE_SET_FRONTEND triggers a frontend event, which uses stale data.
Modify it to use the data given by the user.
- Fixes a regression caused by a5959dbea37973a2440eeba39fba32c79d862ec2.
Signed-off-by: Andreas Oberritter <o...@linuxtv.org>
---
drivers/media/dvb/dvb-core/dvb_frontend.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c
b/drivers/media/dvb/dvb-core/dvb_frontend.c
index efe9c30..23d79d0 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -1827,6 +1827,13 @@ static int dvb_frontend_ioctl_legacy(struct file *file,
dtv_property_cache_sync(fe, c, &fepriv->parameters_in);
}
+ /*
+ * Initialize output parameters to match the values given by
+ * the user. FE_SET_FRONTEND triggers an initial frontend event
+ * with status = 0, which copies output parameters to userspace.
+ */
+ fepriv->parameters_out = fepriv->parameters_in;
+
memset(&fetunesettings, 0, sizeof(struct
dvb_frontend_tune_settings));
memcpy(&fetunesettings.parameters, parg,
sizeof (struct dvb_frontend_parameters));
--
1.7.2.5
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