From 6d3debafc8e718d5f3b2d87fe0387019b29b3bfa Mon Sep 17 00:00:00 2001 From: Matthias Schwarzott Date: Tue, 22 Jul 2014 17:12:14 -0300 Subject: [PATCH] [media] cx231xx: prepare for i2c_client attachment 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 Tested-by: Mauro Carvalho Chehab Signed-off-by: Mauro Carvalho Chehab --- drivers/media/usb/cx231xx/cx231xx-dvb.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/media/usb/cx231xx/cx231xx-dvb.c b/drivers/media/usb/cx231xx/cx231xx-dvb.c index 4504bc6a700b..5c69be707a30 100644 --- a/drivers/media/usb/cx231xx/cx231xx-dvb.c +++ b/drivers/media/usb/cx231xx/cx231xx-dvb.c @@ -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); -- 2.20.1