diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-24 11:21:08 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-24 11:21:08 -0700 |
commit | c328d54cd4ad120d76284e46dcca6c6cf996154a (patch) | |
tree | 104c023be66faa5fce6e0a56c0a6d13c62fd21e5 /drivers/media/video/tda9887.c | |
parent | 346ad4b7fe392571f19314f153db9151dbc1d82b (diff) | |
parent | b0166ab3a6ae6d7af8d9a21a7836154963c69a11 (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.c | 42 |
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)); |