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authorSylwester Nawrocki <s.nawrocki@samsung.com>2016-08-04 16:38:41 +0300
committerMark Brown <broonie@kernel.org>2016-08-08 13:55:20 +0300
commit0306741004fdfc2bc515b4b129b1f86881c5fcf5 (patch)
treeb87a6bbe52669766b548d86348388a93859a0ff3 /include/sound/l3.h
parent9b08f30c4f91fb9bbafa6a844cd0302e5752b21e (diff)
downloadlinux-0306741004fdfc2bc515b4b129b1f86881c5fcf5.tar.xz
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>
Diffstat (limited to 'include/sound/l3.h')
-rw-r--r--include/sound/l3.h15
1 files changed, 12 insertions, 3 deletions
diff --git a/include/sound/l3.h b/include/sound/l3.h
index 423a08f0f1b0..1471da22adad 100644
--- a/include/sound/l3.h
+++ b/include/sound/l3.h
@@ -2,9 +2,15 @@
#define _L3_H_ 1
struct l3_pins {
- void (*setdat)(int);
- void (*setclk)(int);
- void (*setmode)(int);
+ 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;
@@ -13,6 +19,9 @@ struct l3_pins {
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