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path: root/drivers/media/video/tda9887.c
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Diffstat (limited to 'drivers/media/video/tda9887.c')
-rw-r--r--drivers/media/video/tda9887.c42
1 files changed, 32 insertions, 10 deletions
diff --git a/drivers/media/video/tda9887.c b/drivers/media/video/tda9887.c
index 106c93b8203f..a0545ba957b0 100644
--- a/drivers/media/video/tda9887.c
+++ b/drivers/media/video/tda9887.c
@@ -25,10 +25,12 @@ static int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "enable verbose debug messages");
-#define PREFIX "tda9887"
+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;
@@ -644,7 +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;
}
@@ -665,17 +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->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));