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authorAntti Palosaari <crope@iki.fi>2014-12-02 15:00:23 +0100
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-01-27 13:57:18 +0100
commit83b2f84957373683164e3780d040b3c007e06b05 (patch)
tree16156db4a5683987d028d8c9e9638edd587e1b9a
parent[media] rtl2832: convert driver to I2C binding (diff)
downloadlinux-83b2f84957373683164e3780d040b3c007e06b05.tar.xz
linux-83b2f84957373683164e3780d040b3c007e06b05.zip
[media] rtl28xxu: switch rtl2832 demod attach to I2C binding
As rtl2832 driver support now I2C binding we will switch to that one. Tested-by: Benjamin Larsson <benjamin@southpole.se> Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
-rw-r--r--drivers/media/usb/dvb-usb-v2/rtl28xxu.c29
-rw-r--r--drivers/media/usb/dvb-usb-v2/rtl28xxu.h1
2 files changed, 27 insertions, 3 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
index 73580f8d5a17..21657341ce35 100644
--- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
+++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
@@ -790,7 +790,10 @@ static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
int ret;
struct dvb_usb_device *d = adap_to_d(adap);
struct rtl28xxu_priv *priv = d_to_priv(d);
+ struct rtl2832_platform_data platform_data;
const struct rtl2832_config *rtl2832_config;
+ struct i2c_board_info board_info = {};
+ struct i2c_client *client;
dev_dbg(&d->udev->dev, "%s:\n", __func__);
@@ -823,12 +826,26 @@ static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
}
/* attach demodulator */
- adap->fe[0] = dvb_attach(rtl2832_attach, rtl2832_config, &d->i2c_adap);
- if (!adap->fe[0]) {
+ platform_data.config = rtl2832_config;
+ platform_data.dvb_frontend = &adap->fe[0];
+ strlcpy(board_info.type, "rtl2832", I2C_NAME_SIZE);
+ board_info.addr = 0x10;
+ board_info.platform_data = &platform_data;
+ request_module("%s", board_info.type);
+ client = i2c_new_device(&d->i2c_adap, &board_info);
+ if (client == NULL || client->dev.driver == NULL) {
+ ret = -ENODEV;
+ goto err;
+ }
+
+ if (!try_module_get(client->dev.driver->owner)) {
+ i2c_unregister_device(client);
ret = -ENODEV;
goto err;
}
+ priv->i2c_client_demod = client;
+
/* RTL2832 I2C repeater */
priv->demod_i2c_adapter = rtl2832_get_i2c_adapter(adap->fe[0]);
@@ -837,7 +854,6 @@ static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
if (priv->slave_demod) {
struct i2c_board_info info = {};
- struct i2c_client *client;
/*
* We continue on reduced mode, without DVB-T2/C, using master
@@ -1190,6 +1206,13 @@ static void rtl28xxu_exit(struct dvb_usb_device *d)
i2c_unregister_device(client);
}
+ /* remove I2C demod */
+ client = priv->i2c_client_demod;
+ if (client) {
+ module_put(client->dev.driver->owner);
+ i2c_unregister_device(client);
+ }
+
return;
}
diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.h b/drivers/media/usb/dvb-usb-v2/rtl28xxu.h
index 3e3ea9d64a38..e52a2b731b92 100644
--- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.h
+++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.h
@@ -57,6 +57,7 @@ struct rtl28xxu_priv {
u8 page; /* integrated demod active register page */
struct i2c_adapter *demod_i2c_adapter;
bool rc_active;
+ struct i2c_client *i2c_client_demod;
struct i2c_client *i2c_client_tuner;
struct i2c_client *i2c_client_slave_demod;
#define SLAVE_DEMOD_NONE 0