leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

media: ddbridge: adapt cxd2099 attach to new i2c_client way

Browse Source 
Change the way the cxd2099 hardware is being attached to the new I2C
client interface way.

Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Jasmin Jessich <jasmin@anw.at>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Daniel Scheller 2018-03-06 11:39:10 -05:00 committed by Mauro Carvalho Chehab
parent 27a48feac0
commit e5eaf6f88b
2 changed files with 58 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

62
drivers/media/pci/ddbridge/ddbridge-ci.c
View File

@ -172,6 +172,7 @@ static void ci_attach(struct ddb_port *port)
memcpy(&ci->en, &en_templ, sizeof(en_templ));
ci->en.data = ci;
port->en = &ci->en;
port->en_freedata = 1;
ci->port = port;
ci->nr = port->nr - 2;
}
@ -304,6 +305,7 @@ static void ci_xo2_attach(struct ddb_port *port)
memcpy(&ci->en, &en_xo2_templ, sizeof(en_xo2_templ));
ci->en.data = ci;
port->en = &ci->en;
port->en_freedata = 1;
ci->port = port;
ci->nr = port->nr - 2;
ci->port->creg = 0;
@ -311,20 +313,58 @@ static void ci_xo2_attach(struct ddb_port *port)
write_creg(ci, 0x08, 0x08);
}
static struct cxd2099_cfg cxd_cfg = {
static const struct cxd2099_cfg cxd_cfgtmpl = {
.bitrate = 72000,
.adr = 0x40,
.polarity = 1,
.clock_mode = 1,
.max_i2c = 512,
};
static int ci_cxd2099_attach(struct ddb_port *port, u32 bitrate)
{
struct cxd2099_cfg cxd_cfg = cxd_cfgtmpl;
struct i2c_client *client;
struct i2c_board_info board_info = {
.type = "cxd2099",
.addr = 0x40,
.platform_data = &cxd_cfg,
};
cxd_cfg.bitrate = bitrate;
cxd_cfg.en = &port->en;
request_module(board_info.type);
client = i2c_new_device(&port->i2c->adap, &board_info);
if (!client || !client->dev.driver)
goto err_ret;
if (!try_module_get(client->dev.driver->owner))
goto err_i2c;
if (!port->en)
goto err_i2c;
port->dvb[0].i2c_client[0] = client;
port->en_freedata = 0;
return 0;
err_i2c:
i2c_unregister_device(client);
err_ret:
dev_err(port->dev->dev, "CXD2099AR attach failed\n");
return -ENODEV;
}
int ddb_ci_attach(struct ddb_port *port, u32 bitrate)
{
int ret;
switch (port->type) {
case DDB_CI_EXTERNAL_SONY:
cxd_cfg.bitrate = bitrate;
port->en = cxd2099_attach(&cxd_cfg, port, &port->i2c->adap);
ret = ci_cxd2099_attach(port, bitrate);
if (ret)
return -ENODEV;
break;
case DDB_CI_EXTERNAL_XO2:
case DDB_CI_EXTERNAL_XO2_B:
@ -345,11 +385,23 @@ int ddb_ci_attach(struct ddb_port *port, u32 bitrate)
void ddb_ci_detach(struct ddb_port *port)
{
struct i2c_client *client;
if (port->dvb[0].dev)
dvb_unregister_device(port->dvb[0].dev);
if (port->en) {
dvb_ca_en50221_release(port->en);
kfree(port->en->data);
client = port->dvb[0].i2c_client[0];
if (client) {
module_put(client->dev.driver->owner);
i2c_unregister_device(client);
}
/* free alloc'ed memory if needed */
if (port->en_freedata)
kfree(port->en->data);
port->en = NULL;
}
}

1
drivers/media/pci/ddbridge/ddbridge.h
View File

@ -276,6 +276,7 @@ struct ddb_port {
struct ddb_input *input[2];
struct ddb_output *output;
struct dvb_ca_en50221 *en;
u8 en_freedata;
struct ddb_dvb dvb[2];
u32 gap;
u32 obr;