[media] cx231xx: fix tuner compliance issues
The g_tuner call wasn't passed on to the subdevices, g_frequency didn't
check for invalid tuners and a low-level function that was expected to
return 0 or a negative error returned a positive number instead, causing
s_frequency to return bogus errors.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/usb/cx231xx/cx231xx-video.c b/drivers/media/usb/cx231xx/cx231xx-video.c
index a31f7dae..2b7b094 100644
--- a/drivers/media/usb/cx231xx/cx231xx-video.c
+++ b/drivers/media/usb/cx231xx/cx231xx-video.c
@@ -1322,6 +1322,7 @@
t->capability = V4L2_TUNER_CAP_NORM;
t->rangehigh = 0xffffffffUL;
t->signal = 0xffff; /* LOCKED */
+ call_all(dev, tuner, g_tuner, t);
return 0;
}
@@ -1350,6 +1351,9 @@
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
+ if (f->tuner)
+ return -EINVAL;
+
f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
f->frequency = dev->ctl_freq;