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V4L/DVB (7470): CX24123: preparing support for CX24113 tuner

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To support a new device based on CX24123 (using the CX24113-tuner) the following was done:

- added two parameters to de-select the internal PLL-driver (for CX24108) and a AGC-function callback.
- added a virtual i2c-adapter which allow simple access behind the i2c-gate
- cleanup up some code

Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Patrick Boettcher
2008-03-29 21:01:12 -03:00
committed by Mauro Carvalho Chehab
parent 6394cf53ab
commit ca06fa79a5
2 changed files with 220 additions and 105 deletions
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304
drivers/media/dvb/frontends/cx24123.c
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File diff suppressed because it is too large Load Diff

21
drivers/media/dvb/frontends/cx24123.h
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@@ -33,16 +33,27 @@ struct cx24123_config
/* 0 = LNB voltage normal, 1 = LNB voltage inverted */
int lnb_polarity;
/* this device has another tuner */
u8 dont_use_pll;
void (*agc_callback) (struct dvb_frontend *);
};
#if defined(CONFIG_DVB_CX24123) || (defined(CONFIG_DVB_CX24123_MODULE) && defined(MODULE))
extern struct dvb_frontend* cx24123_attach(const struct cx24123_config* config,
struct i2c_adapter* i2c);
extern struct dvb_frontend *cx24123_attach(const struct cx24123_config *config,
struct i2c_adapter *i2c);
extern struct i2c_adapter *cx24123_get_tuner_i2c_adapter(struct dvb_frontend *);
#else
static inline struct dvb_frontend* cx24123_attach(const struct cx24123_config* config,
struct i2c_adapter* i2c)
static inline struct dvb_frontend *cx24123_attach(
const struct cx24123_config *config, struct i2c_adapter *i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
static struct i2c_adapter *
cx24123_get_tuner_i2c_adapter(struct dvb_frontend *fe)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif // CONFIG_DVB_CX24123