cx25821-i2c.c File Reference

#include "cx25821.h"
#include <linux/i2c.h>

Go to the source code of this file.

Macros
#define	pr_fmt(fmt)   KBUILD_MODNAME ": " fmt
#define	dprintk(level, fmt, arg...)
#define	I2C_WAIT_DELAY   32
#define	I2C_WAIT_RETRY   64
#define	I2C_EXTEND   (1 << 3)
#define	I2C_NOSTOP   (1 << 4)

Functions
	module_param (i2c_debug, int, 0644)
	MODULE_PARM_DESC (i2c_debug,"enable debug messages [i2c]")
	module_param (i2c_scan, int, 0444)
	MODULE_PARM_DESC (i2c_scan,"scan i2c bus at insmod time")
int	cx25821_i2c_register (struct cx25821_i2c *bus)
int	cx25821_i2c_unregister (struct cx25821_i2c *bus)
void	cx25821_av_clk (struct cx25821_dev *dev, int enable)
int	cx25821_i2c_read (struct cx25821_i2c *bus, u16 reg_addr, int *value)
int	cx25821_i2c_write (struct cx25821_i2c *bus, u16 reg_addr, int value)

Macro Definition Documentation

#define dprintk	(		level,
			fmt,
			arg...
	)

Value:

do {                                    \
    if (i2c_debug >= level)                     \
        printk(KERN_DEBUG "%s/0: " fmt, dev->name, ##arg);  \
} while (0)

Definition at line 37 of file cx25821-i2c.c.

#define I2C_EXTEND   (1 << 3)

Definition at line 46 of file cx25821-i2c.c.

#define I2C_NOSTOP   (1 << 4)

Definition at line 47 of file cx25821-i2c.c.

#define I2C_WAIT_DELAY   32

Definition at line 43 of file cx25821-i2c.c.

#define I2C_WAIT_RETRY   64

Definition at line 44 of file cx25821-i2c.c.

#define pr_fmt

(

fmt

)

KBUILD_MODNAME ": " fmt

Definition at line 24 of file cx25821-i2c.c.

Function Documentation

void cx25821_av_clk	(	struct cx25821_dev *	dev,
		int	enable
	)

Definition at line 332 of file cx25821-i2c.c.

int cx25821_i2c_read	(	struct cx25821_i2c *	bus,
		u16	reg_addr,
		int *	value
	)

Definition at line 355 of file cx25821-i2c.c.

int cx25821_i2c_register

(

struct cx25821_i2c *

bus

)

Definition at line 302 of file cx25821-i2c.c.

int cx25821_i2c_unregister

(

struct cx25821_i2c *

bus

)

Definition at line 326 of file cx25821-i2c.c.

int cx25821_i2c_write	(	struct cx25821_i2c *	bus,
		u16	reg_addr,
		int	value
	)

Definition at line 389 of file cx25821-i2c.c.

module_param	(	i2c_debug	,
		int	,
		0644
	)

module_param	(	i2c_scan	,
		int	,
		0444
	)

MODULE_PARM_DESC	(	i2c_debug	,
		"enable debug messages "	[i2c]
	)

MODULE_PARM_DESC	(	i2c_scan	,
		"scan i2c bus at insmod time"
	)