V4L/DVB (9049): convert tuner drivers to use dvb_frontend->callback
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/common/tuners/tuner-xc2028.c b/drivers/media/common/tuners/tuner-xc2028.c
index 4dd1d24..fc82d15 100644
--- a/drivers/media/common/tuners/tuner-xc2028.c
+++ b/drivers/media/common/tuners/tuner-xc2028.c
@@ -71,9 +71,6 @@
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;
@@ -492,6 +489,23 @@
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)
{
@@ -530,8 +544,7 @@
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);
@@ -542,8 +555,7 @@
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);
@@ -715,8 +727,7 @@
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;
@@ -933,7 +944,7 @@
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);
@@ -1177,20 +1188,10 @@
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: