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authorLinus Torvalds <torvalds@linux-foundation.org>2008-04-24 11:21:08 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-24 11:21:08 -0700
commitc328d54cd4ad120d76284e46dcca6c6cf996154a (patch)
tree104c023be66faa5fce6e0a56c0a6d13c62fd21e5 /drivers/media/video/tda9887.c
parent346ad4b7fe392571f19314f153db9151dbc1d82b (diff)
parentb0166ab3a6ae6d7af8d9a21a7836154963c69a11 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb
* git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (452 commits) V4L/DVB (7731): tuner-xc2028: fix signal strength calculus V4L/DVB (7730): tuner-xc2028: Fix SCODE load for MTS firmwares V4L/DVB (7729): Fix VIDIOCGAP corruption in ivtv V4L/DVB (7728): tea5761: bugzilla #10462: tea5761 autodetection code were broken V4L/DVB (7726): cx23885: Enable cx23417 support on the HVR1800 V4L/DVB (7725): cx23885: Add generic cx23417 hardware encoder support V4L/DVB (7723): pvrusb2: Clean up input selection list generation in V4L interface V4L/DVB (7722): pvrusb2: Implement FM radio support for Gotview USB2.0 DVD 2 V4L/DVB (7721): pvrusb2: Restructure cx23416 firmware loading to have a common exit point V4L/DVB (7720): pvrusb2: Fix bad error code on cx23416 firmware load failure V4L/DVB (7719): pvrusb2: Implement input selection enforcement V4L/DVB (7718): pvrusb2-dvb: update Kbuild selections V4L/DVB (7717): pvrusb2-dvb: add DVB-T support for Hauppauge pvrusb2 model 73xxx V4L/DVB (7716): pvrusb2: clean up global functions V4L/DVB (7715): pvrusb2: Clean out all use of __FUNCTION__ V4L/DVB (7714): pvrusb2: Fix hang on module removal V4L/DVB (7713): pvrusb2: Implement cleaner DVB kernel thread shutdown V4L/DVB (7712): pvrusb2: Close connect/disconnect race V4L/DVB (7711): pvrusb2: Fix race on module unload V4L/DVB (7710): pvrusb2: Implement critical digital streaming quirk for onair devices ...
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 106c93b8203..a0545ba957b 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));