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[media] xc4000: added card_type

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This patch adds support for selecting a card type in struct
xc4000_config, to allow for implementing some card specific code
in the driver.

Signed-off-by: Istvan Varga <istvan_v@mailbox.hu>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Istvan Varga 2011-06-03 09:38:04 -03:00 committed by Mauro Carvalho Chehab
parent 595a83f49a
commit 0b4021321c
2 changed files with 20 additions and 2 deletions
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15
drivers/media/common/tuners/xc4000.c
View File

@ -90,6 +90,7 @@ struct xc4000_priv {
u32 bandwidth;
u8 video_standard;
u8 rf_mode;
u8 card_type;
u8 ignore_i2c_write_errors;
/* struct xc2028_ctrl ctrl; */
struct firmware_properties cur_fw;
@ -1433,6 +1434,16 @@ struct dvb_frontend *xc4000_attach(struct dvb_frontend *fe,
int instance;
u16 id = 0;
if (cfg->card_type != XC4000_CARD_GENERIC) {
if (cfg->card_type == XC4000_CARD_WINFAST_CX88) {
cfg->i2c_address = 0x61;
cfg->if_khz = 4560;
} else { /* default to PCTV 340E */
cfg->i2c_address = 0x61;
cfg->if_khz = 5400;
}
}
dprintk(1, "%s(%d-%04x)\n", __func__,
i2c ? i2c_adapter_id(i2c) : -1,
cfg ? cfg->i2c_address : -1);
@ -1442,6 +1453,8 @@ struct dvb_frontend *xc4000_attach(struct dvb_frontend *fe,
instance = hybrid_tuner_request_state(struct xc4000_priv, priv,
hybrid_tuner_instance_list,
i2c, cfg->i2c_address, "xc4000");
if (cfg->card_type != XC4000_CARD_GENERIC)
priv->card_type = cfg->card_type;
switch (instance) {
case 0:
goto fail;
@ -1458,7 +1471,7 @@ struct dvb_frontend *xc4000_attach(struct dvb_frontend *fe,
break;
}
if (priv->if_khz == 0) {
if (cfg->if_khz != 0) {
/* If the IF hasn't been set yet, use the value provided by
the caller (occurs in hybrid devices where the analog
call to xc4000_attach occurs before the digital side) */

7
drivers/media/common/tuners/xc4000.h
View File

@ -27,8 +27,13 @@
struct dvb_frontend;
struct i2c_adapter;
#define XC4000_CARD_GENERIC 0
#define XC4000_CARD_PCTV_340E 1
#define XC4000_CARD_WINFAST_CX88 2
struct xc4000_config {
u8 i2c_address;
u8 card_type; /* if card type is not generic, all other */
u8 i2c_address; /* parameters are automatically set */
u32 if_khz;
};