diff options
author | Brad Love <brad@nextdimension.cc> | 2018-01-12 11:19:37 -0500 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2018-03-06 07:08:09 -0500 |
commit | 2af04244342f03a4e82f376eea36ebfef82a30af (patch) | |
tree | a896e34673631bf22e0c3900e9284e0739992fc9 | |
parent | bdaacc32e9b265946d76df3e98a90ae9508df4e4 (diff) | |
download | linux-stable-2af04244342f03a4e82f376eea36ebfef82a30af.tar.gz linux-stable-2af04244342f03a4e82f376eea36ebfef82a30af.tar.bz2 linux-stable-2af04244342f03a4e82f376eea36ebfef82a30af.zip |
media: cx231xx: Add second i2c demod client
Include ability to add a i2c device style frontend to cx231xx USB
bridge. All current boards set to use frontend[0]. Changes are
backwards compatible with current behaviour.
Signed-off-by: Brad Love <brad@nextdimension.cc>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
-rw-r--r-- | drivers/media/usb/cx231xx/cx231xx-dvb.c | 45 | ||||
-rw-r--r-- | drivers/media/usb/cx231xx/cx231xx.h | 1 |
2 files changed, 26 insertions, 20 deletions
diff --git a/drivers/media/usb/cx231xx/cx231xx-dvb.c b/drivers/media/usb/cx231xx/cx231xx-dvb.c index e81f2a4c81e9..63deca9b5017 100644 --- a/drivers/media/usb/cx231xx/cx231xx-dvb.c +++ b/drivers/media/usb/cx231xx/cx231xx-dvb.c @@ -68,7 +68,7 @@ struct cx231xx_dvb { struct dmx_frontend fe_hw; struct dmx_frontend fe_mem; struct dvb_net net; - struct i2c_client *i2c_client_demod; + struct i2c_client *i2c_client_demod[2]; struct i2c_client *i2c_client_tuner; }; @@ -616,7 +616,12 @@ static void unregister_dvb(struct cx231xx_dvb *dvb) i2c_unregister_device(client); } /* remove I2C demod */ - client = dvb->i2c_client_demod; + client = dvb->i2c_client_demod[1]; + if (client) { + module_put(client->dev.driver->owner); + i2c_unregister_device(client); + } + client = dvb->i2c_client_demod[0]; if (client) { module_put(client->dev.driver->owner); i2c_unregister_device(client); @@ -805,7 +810,7 @@ static int dvb_init(struct cx231xx *dev) goto out_free; } - dvb->i2c_client_demod = client; + dvb->i2c_client_demod[0] = client; dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL; @@ -852,7 +857,7 @@ static int dvb_init(struct cx231xx *dev) goto out_free; } - dvb->i2c_client_demod = client; + dvb->i2c_client_demod[0] = client; memset(&info, 0, sizeof(struct i2c_board_info)); @@ -1012,7 +1017,7 @@ static int dvb_init(struct cx231xx *dev) goto out_free; } - dvb->i2c_client_demod = client; + dvb->i2c_client_demod[0] = client; /* attach tuner chip */ si2157_config.fe = dev->dvb->frontend[0]; @@ -1031,16 +1036,16 @@ static int dvb_init(struct cx231xx *dev) client = i2c_new_device(tuner_i2c, &info); if (client == NULL || client->dev.driver == NULL) { - module_put(dvb->i2c_client_demod->dev.driver->owner); - i2c_unregister_device(dvb->i2c_client_demod); + module_put(dvb->i2c_client_demod[0]->dev.driver->owner); + i2c_unregister_device(dvb->i2c_client_demod[0]); result = -ENODEV; goto out_free; } if (!try_module_get(client->dev.driver->owner)) { i2c_unregister_device(client); - module_put(dvb->i2c_client_demod->dev.driver->owner); - i2c_unregister_device(dvb->i2c_client_demod); + module_put(dvb->i2c_client_demod[0]->dev.driver->owner); + i2c_unregister_device(dvb->i2c_client_demod[0]); result = -ENODEV; goto out_free; } @@ -1078,7 +1083,7 @@ static int dvb_init(struct cx231xx *dev) goto out_free; } - dvb->i2c_client_demod = client; + dvb->i2c_client_demod[0] = client; /* define general-purpose callback pointer */ dvb->frontend[0]->callback = cx231xx_tuner_callback; @@ -1122,7 +1127,7 @@ static int dvb_init(struct cx231xx *dev) goto out_free; } - dvb->i2c_client_demod = client; + dvb->i2c_client_demod[0] = client; dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL; /* define general-purpose callback pointer */ @@ -1144,8 +1149,8 @@ static int dvb_init(struct cx231xx *dev) client = i2c_new_device(adapter, &info); if (client == NULL || client->dev.driver == NULL) { - module_put(dvb->i2c_client_demod->dev.driver->owner); - i2c_unregister_device(dvb->i2c_client_demod); + module_put(dvb->i2c_client_demod[0]->dev.driver->owner); + i2c_unregister_device(dvb->i2c_client_demod[0]); result = -ENODEV; goto out_free; } @@ -1154,8 +1159,8 @@ static int dvb_init(struct cx231xx *dev) dev_err(dev->dev, "Failed to obtain %s tuner.\n", info.type); i2c_unregister_device(client); - module_put(dvb->i2c_client_demod->dev.driver->owner); - i2c_unregister_device(dvb->i2c_client_demod); + module_put(dvb->i2c_client_demod[0]->dev.driver->owner); + i2c_unregister_device(dvb->i2c_client_demod[0]); result = -ENODEV; goto out_free; } @@ -1196,7 +1201,7 @@ static int dvb_init(struct cx231xx *dev) goto out_free; } - dvb->i2c_client_demod = client; + dvb->i2c_client_demod[0] = client; dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL; /* define general-purpose callback pointer */ @@ -1218,8 +1223,8 @@ static int dvb_init(struct cx231xx *dev) client = i2c_new_device(tuner_i2c, &info); if (client == NULL || client->dev.driver == NULL) { - module_put(dvb->i2c_client_demod->dev.driver->owner); - i2c_unregister_device(dvb->i2c_client_demod); + module_put(dvb->i2c_client_demod[0]->dev.driver->owner); + i2c_unregister_device(dvb->i2c_client_demod[0]); result = -ENODEV; goto out_free; } @@ -1228,8 +1233,8 @@ static int dvb_init(struct cx231xx *dev) dev_err(dev->dev, "Failed to obtain %s tuner.\n", info.type); i2c_unregister_device(client); - module_put(dvb->i2c_client_demod->dev.driver->owner); - i2c_unregister_device(dvb->i2c_client_demod); + module_put(dvb->i2c_client_demod[0]->dev.driver->owner); + i2c_unregister_device(dvb->i2c_client_demod[0]); result = -ENODEV; goto out_free; } diff --git a/drivers/media/usb/cx231xx/cx231xx.h b/drivers/media/usb/cx231xx/cx231xx.h index fa993f76bf59..6ffa4bd96484 100644 --- a/drivers/media/usb/cx231xx/cx231xx.h +++ b/drivers/media/usb/cx231xx/cx231xx.h @@ -345,6 +345,7 @@ struct cx231xx_board { /* demod related */ int demod_addr; + int demod_addr2; u8 demod_xfer_mode; /* 0 - Serial; 1 - parallel */ /* GPIO Pins */ |