diff options
| -rw-r--r-- | drivers/media/video/tda9887.c | 43 |
1 files changed, 33 insertions, 10 deletions
diff --git a/drivers/media/video/tda9887.c b/drivers/media/video/tda9887.c index 75d0840..a0545ba 100644 --- a/drivers/media/video/tda9887.c +++ b/drivers/media/video/tda9887.c @@ -25,8 +25,12 @@ static int debug; module_param(debug, int, 0644); MODULE_PARM_DESC(debug, "enable verbose debug messages"); +static DEFINE_MUTEX(tda9887_list_mutex); +static LIST_HEAD(hybrid_tuner_instance_list); + struct tda9887_priv { struct tuner_i2c_props i2c_props; + struct list_head hybrid_tuner_instance_list; unsigned char data[4]; unsigned int config; @@ -642,7 +646,15 @@ static int tda9887_set_config(struct dvb_frontend *fe, void *priv_cfg) static void tda9887_release(struct dvb_frontend *fe) { - kfree(fe->analog_demod_priv); + struct tda9887_priv *priv = fe->analog_demod_priv; + + mutex_lock(&tda9887_list_mutex); + + if (priv) + hybrid_tuner_release_state(priv); + + mutex_unlock(&tda9887_list_mutex); + fe->analog_demod_priv = NULL; } @@ -663,18 +675,29 @@ struct dvb_frontend *tda9887_attach(struct dvb_frontend *fe, u8 i2c_addr) { struct tda9887_priv *priv = NULL; + int instance; - priv = kzalloc(sizeof(struct tda9887_priv), GFP_KERNEL); - if (priv == NULL) - return NULL; - fe->analog_demod_priv = priv; + mutex_lock(&tda9887_list_mutex); - priv->i2c_props.addr = i2c_addr; - priv->i2c_props.adap = i2c_adap; - priv->i2c_props.name = "tda9887"; - priv->mode = T_STANDBY; + instance = hybrid_tuner_request_state(struct tda9887_priv, priv, + hybrid_tuner_instance_list, + i2c_adap, i2c_addr, "tda9887"); + switch (instance) { + case 0: + mutex_unlock(&tda9887_list_mutex); + return NULL; + break; + case 1: + fe->analog_demod_priv = priv; + priv->mode = T_STANDBY; + tuner_info("tda988[5/6/7] found\n"); + break; + default: + fe->analog_demod_priv = priv; + break; + } - tuner_info("tda988[5/6/7] found\n"); + mutex_unlock(&tda9887_list_mutex); memcpy(&fe->ops.analog_ops, &tda9887_ops, sizeof(struct analog_demod_ops)); |