It is not good idea to return error for missing callback
handler as whole callback as optional and could be missing
by intentionally.
Signed-off-by: Antti Palosaari <cr...@iki.fi>
---
drivers/media/usb/dvb-usb-v2/af9035.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c
b/drivers/media/usb/dvb-usb-v2/af9035.c
index b700444..fdec3b1 100644
--- a/drivers/media/usb/dvb-usb-v2/af9035.c
+++ b/drivers/media/usb/dvb-usb-v2/af9035.c
@@ -652,7 +652,7 @@ static int af9035_tuner_callback(struct dvb_usb_device *d,
int cmd, int arg)
break;
}
- return -ENODEV;
+ return 0;
}
static int af9035_frontend_callback(void *adapter_priv, int component,
@@ -661,6 +661,9 @@ static int af9035_frontend_callback(void *adapter_priv, int
component,
struct i2c_adapter *adap = adapter_priv;
struct dvb_usb_device *d = i2c_get_adapdata(adap);
+ dev_dbg(&d->udev->dev, "%s: component=%d cmd=%d arg=%d\n",
+ __func__, component, cmd, arg);
+
switch (component) {
case DVB_FRONTEND_COMPONENT_TUNER:
return af9035_tuner_callback(d, cmd, arg);
@@ -668,7 +671,7 @@ static int af9035_frontend_callback(void *adapter_priv, int
component,
break;
}
- return -EINVAL;
+ return 0;
}
static int af9035_frontend_attach(struct dvb_usb_adapter *adap)
--
1.7.11.4
--
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