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[media] af9035: relax frontend callback error handling 

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 <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari 2012-09-11 22:27:06 -03:00 committed by Mauro Carvalho Chehab
parent ee1cdd507a
commit 1835af1003
1 changed files with 5 additions and 2 deletions
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7
drivers/media/usb/dvb-usb-v2/af9035.c
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@ -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)