Use of frontend callback is highly hardware design dependent
and whole callback could be optional in many cases. Returning
error by default when callback is not implemented is stupid.
Signed-off-by: Antti Palosaari <cr...@iki.fi>
---
drivers/media/usb/dvb-usb-v2/rtl28xxu.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
index a1fe982..1f18244 100644
--- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
+++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
@@ -591,7 +591,6 @@ static int rtl2832u_fc0012_tuner_callback(struct
dvb_usb_device *d,
goto err;
}
return 0;
-
err:
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
return ret;
@@ -643,7 +642,6 @@ static int rtl2832u_tua9001_tuner_callback(struct
dvb_usb_device *d,
}
return 0;
-
err:
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
return ret;
@@ -656,17 +654,15 @@ static int rtl2832u_tuner_callback(struct dvb_usb_device
*d, int cmd, int arg)
switch (priv->tuner) {
case TUNER_RTL2832_FC0012:
return rtl2832u_fc0012_tuner_callback(d, cmd, arg);
-
case TUNER_RTL2832_FC0013:
return rtl2832u_fc0013_tuner_callback(d, cmd, arg);
-
case TUNER_RTL2832_TUA9001:
return rtl2832u_tua9001_tuner_callback(d, cmd, arg);
default:
break;
}
- return -ENODEV;
+ return 0;
}
static int rtl2832u_frontend_callback(void *adapter_priv, int component,
@@ -682,7 +678,7 @@ static int rtl2832u_frontend_callback(void *adapter_priv,
int component,
break;
}
- return -EINVAL;
+ return 0;
}
static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
--
1.7.11.4
--
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