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authorMichael Krufky <mkrufky@linuxtv.org>2008-09-12 13:31:45 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-10-12 09:37:09 -0200
commitd7cba043d7ec840d67bd5143779d1febe7d83407 (patch)
tree4fb46684538e0ad7d3229f592182ed6121049d69 /drivers/media/common/tuners/tuner-xc2028.c
parentebb8d68a5c8c236acd8e8cf8f0d6046e027a8e21 (diff)
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>
Diffstat (limited to 'drivers/media/common/tuners/tuner-xc2028.c')
-rw-r--r--drivers/media/common/tuners/tuner-xc2028.c41
1 files changed, 21 insertions, 20 deletions
diff --git a/drivers/media/common/tuners/tuner-xc2028.c b/drivers/media/common/tuners/tuner-xc2028.c
index 4dd1d2421cc..fc82d154c8c 100644
--- a/drivers/media/common/tuners/tuner-xc2028.c
+++ b/drivers/media/common/tuners/tuner-xc2028.c
@@ -71,9 +71,6 @@ struct firmware_properties {
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 @@ ret:
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 @@ static int load_firmware(struct dvb_frontend *fe, unsigned int type,
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 @@ static int load_firmware(struct dvb_frontend *fe, unsigned int type,
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 @@ retry:
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 @@ static int generic_set_freq(struct dvb_frontend *fe, u32 freq /* in HZ */,
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 @@ struct dvb_frontend *xc2028_attach(struct dvb_frontend *fe,
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: