From d7cba043d7ec840d67bd5143779d1febe7d83407 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Fri, 12 Sep 2008 13:31:45 -0300 Subject: V4L/DVB (9049): convert tuner drivers to use dvb_frontend->callback Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/common/tuners/tuner-xc2028.c | 41 +++++++++++++++--------------- 1 file changed, 21 insertions(+), 20 deletions(-) (limited to 'drivers/media/common/tuners/tuner-xc2028.c') diff --git a/drivers/media/common/tuners/tuner-xc2028.c b/drivers/media/common/tuners/tuner-xc2028.c index 4dd1d2421cc5..fc82d154c8c2 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: -- cgit v1.2.3