From: Akihiro Tsukada <tskd2@xxxxxxxxxxx>
This patch makes the driver return the correct DTV_DELIVERY_SYSTEM.
The driver previously returned SYS_UNDEFINED for DTV_DELIVERY_SYSTEM property,
as it lacked any driver specific S2API support.
Priority: normal
Signed-off-by: Akihiro Tsukada <tskd2@xxxxxxxxxxx>
---
friio-fe.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/linux/drivers/media/dvb/dvb-usb/friio-fe.c b/linux/drivers/media/dvb/dvb-usb/friio-fe.c
--- a/linux/drivers/media/dvb/dvb-usb/friio-fe.c
+++ b/linux/drivers/media/dvb/dvb-usb/friio-fe.c
@@ -286,6 +286,27 @@ static int jdvbt90502_get_tune_settings(
return 0;
}
+/* filter out un-supported properties to notify users */
+static int jdvbt90502_set_property(struct dvb_frontend *fe,
+ struct dtv_property *tvp)
+{
+ int r = 0;
+
+ switch (tvp->cmd) {
+ case DTV_DELIVERY_SYSTEM:
+ if (tvp->u.data != SYS_ISDBT)
+ r = -EINVAL;
+ break;
+ case DTV_CLEAR:
+ case DTV_TUNE:
+ case DTV_FREQUENCY:
+ break;
+ default:
+ r = -EINVAL;
+ }
+ return r;
+}
+
static int jdvbt90502_get_frontend(struct dvb_frontend *fe,
struct dvb_frontend_parameters *p)
{
@@ -314,6 +335,9 @@ static int jdvbt90502_set_frontend(struc
deb_fe("%s: Freq:%d\n", __func__, p->frequency);
+ /* for recovery from DTV_CLEAN */
+ fe->dtv_property_cache.delivery_system = SYS_ISDBT;
+
ret = jdvbt90502_pll_set_freq(state, p->frequency);
if (ret) {
deb_fe("%s:ret == %d\n", __func__, ret);
@@ -394,6 +418,7 @@ static int jdvbt90502_init(struct dvb_fr
if (ret != 1)
goto error;
}
+ fe->dtv_property_cache.delivery_system = SYS_ISDBT;
msleep(100);
return 0;
@@ -471,6 +496,8 @@ static struct dvb_frontend_ops jdvbt9050
.sleep = jdvbt90502_sleep,
.write = _jdvbt90502_write,
+ .set_property = jdvbt90502_set_property,
+
.set_frontend = jdvbt90502_set_frontend,
.get_frontend = jdvbt90502_get_frontend,
.get_tune_settings = jdvbt90502_get_tune_settings,
--------------------------------------
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