struct xc2028_data {
struct list_head hybrid_tuner_instance_list;
struct tuner_i2c_props i2c_props;
- int (*tuner_callback) (void *dev,
- int command, int arg);
- void *video_dev;
__u32 frequency;
struct firmware_description *firm;
return i;
}
+static inline int do_tuner_callback(struct dvb_frontend *fe, int cmd, int arg)
+{
+ struct xc2028_data *priv = fe->tuner_priv;
+
+ /* analog side (tuner-core) uses i2c_adap->algo_data.
+ * digital side is not guaranteed to have algo_data defined.
+ *
+ * digital side will always have fe->dvb defined.
+ * analog side (tuner-core) doesn't (yet) define fe->dvb.
+ */
+
+ return (!fe->callback) ? -EINVAL :
+ fe->callback(((fe->dvb) && (fe->dvb->priv)) ?
+ fe->dvb->priv : priv->i2c_props.adap->algo_data,
+ DVB_FRONTEND_COMPONENT_TUNER, cmd, arg);
+}
+
static int load_firmware(struct dvb_frontend *fe, unsigned int type,
v4l2_std_id *id)
{
if (!size) {
/* Special callback command received */
- rc = priv->tuner_callback(priv->video_dev,
- XC2028_TUNER_RESET, 0);
+ rc = do_tuner_callback(fe, XC2028_TUNER_RESET, 0);
if (rc < 0) {
tuner_err("Error at RESET code %d\n",
(*p) & 0x7f);
if (size >= 0xff00) {
switch (size) {
case 0xff00:
- rc = priv->tuner_callback(priv->video_dev,
- XC2028_RESET_CLK, 0);
+ rc = do_tuner_callback(fe, XC2028_RESET_CLK, 0);
if (rc < 0) {
tuner_err("Error at RESET code %d\n",
(*p) & 0x7f);
memset(&priv->cur_fw, 0, sizeof(priv->cur_fw));
/* Reset is needed before loading firmware */
- rc = priv->tuner_callback(priv->video_dev,
- XC2028_TUNER_RESET, 0);
+ rc = do_tuner_callback(fe, XC2028_TUNER_RESET, 0);
if (rc < 0)
goto fail;
The reset CLK is needed only with tm6000.
Driver should work fine even if this fails.
*/
- priv->tuner_callback(priv->video_dev, XC2028_RESET_CLK, 1);
+ do_tuner_callback(fe, XC2028_RESET_CLK, 1);
msleep(10);
break;
case 1:
/* new tuner instance */
- priv->tuner_callback = cfg->callback;
priv->ctrl.max_len = 13;
mutex_init(&priv->lock);
- /* analog side (tuner-core) uses i2c_adap->algo_data.
- * digital side is not guaranteed to have algo_data defined.
- *
- * digital side will always have fe->dvb defined.
- * analog side (tuner-core) doesn't (yet) define fe->dvb.
- */
- priv->video_dev = ((fe->dvb) && (fe->dvb->priv)) ?
- fe->dvb->priv : cfg->i2c_adap->algo_data;
-
fe->tuner_priv = priv;
break;
case 2: