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[media] cx231xx: prepare for i2c_client attachment

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This is needed to support PCTV QuatroStick 522e which uses a si2157.
The si2157 driver is written using i2c_client attachment.

Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Tested-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Matthias Schwarzott 2014-07-22 17:12:14 -03:00 committed by Mauro Carvalho Chehab
parent 36efec48e2
commit 6d3debafc8
1 changed files with 8 additions and 0 deletions
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8
drivers/media/usb/cx231xx/cx231xx-dvb.c
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@ -67,6 +67,7 @@ struct cx231xx_dvb {
struct dmx_frontend fe_hw;
struct dmx_frontend fe_mem;
struct dvb_net net;
struct i2c_client *i2c_client_tuner;
};
static struct s5h1432_config dvico_s5h1432_config = {
@ -549,11 +550,18 @@ fail_adapter:
static void unregister_dvb(struct cx231xx_dvb *dvb)
{
struct i2c_client *client;
dvb_net_release(&dvb->net);
dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
dvb_dmxdev_release(&dvb->dmxdev);
dvb_dmx_release(&dvb->demux);
client = dvb->i2c_client_tuner;
/* remove I2C tuner */
if (client) {
module_put(client->dev.driver->owner);
i2c_unregister_device(client);
}
dvb_unregister_frontend(dvb->frontend);
dvb_frontend_detach(dvb->frontend);
dvb_unregister_adapter(&dvb->adapter);