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V4L/DVB (5313): Added a config entry and a gpio function pointer to tuner struct

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These entries mainly are to support configurations of the tda827x
silicon tuner with a preamplifier.
The values can be set throgh the attach inform or through
the extended TUNER_SET_TYPE_ADDR client call. The function pointer
will only be updated if the parameter is not NULL.
Since a typecast is necessary to set the pointer, i added a typedef for
this pointer (tuner_gpio_func_t) in tuner.h

Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Hartmut Hackmann
2007-04-27 12:31:12 -03:00
committed by Mauro Carvalho Chehab
parent b819594622
commit de956c1e0f
5 changed files with 28 additions and 9 deletions
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include/media/tuner.h
+7
View File
@@ -173,10 +173,15 @@ enum tuner_mode {
when the tuner is set to TV mode.
*/
/* allows to access the GPIOs of the host (pci bridge) */
typedef void (*tuner_gpio_func_t) (void *dev, int bit_no,int value);
struct tuner_setup {
unsigned short addr; /* I2C address */
unsigned int type; /* Tuner type */
unsigned int mode_mask; /* Allowed tuner modes */
unsigned int config; /* configuraion for more complex tuners */
tuner_gpio_func_t gpio_func;
};
struct tuner {
@@ -210,6 +215,8 @@ struct tuner {
unsigned char tda827x_addr;
unsigned char tda827x_ver;
unsigned int sgIF;
unsigned int config;
tuner_gpio_func_t gpio_func;
/* function ptrs */
void (*set_tv_freq)(struct i2c_client *c, unsigned int freq);