linux/include/sound/l3.h
Sylwester Nawrocki 0306741004 ASoC: L3 bus: Add default gpio ops
This adds aptional GPIO bit-bang based callback implementations
for setting CLK, DATA and MODE L3 bus lines.  It is added here
to avoid possible duplicate implementations across users of
the bus.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-08-08 11:55:20 +01:00

28 lines
485 B
C

#ifndef _L3_H_
#define _L3_H_ 1
struct l3_pins {
void (*setdat)(struct l3_pins *, int);
void (*setclk)(struct l3_pins *, int);
void (*setmode)(struct l3_pins *, int);
int gpio_data;
int gpio_clk;
int gpio_mode;
int use_gpios;
int data_hold;
int data_setup;
int clock_high;
int mode_hold;
int mode;
int mode_setup;
};
struct device;
int l3_write(struct l3_pins *adap, u8 addr, u8 *data, int len);
int l3_set_gpio_ops(struct device *dev, struct l3_pins *adap);
#endif