diff options
Diffstat (limited to 'common/i2c_bitbang.c')
| -rw-r--r-- | common/i2c_bitbang.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/common/i2c_bitbang.c b/common/i2c_bitbang.c index 99868b2dc6..01d4f5f31e 100644 --- a/common/i2c_bitbang.c +++ b/common/i2c_bitbang.c @@ -1,4 +1,4 @@ -/* Copyright 2019 The Chromium OS Authors. All rights reserved. +/* Copyright 2019 The ChromiumOS Authors * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ @@ -11,7 +11,7 @@ #include "util.h" #define CPUTS(str) cputs(CC_I2C, str) -#define CPRINTS(format, args...) cprints(CC_I2C, format, ## args) +#define CPRINTS(format, args...) cprints(CC_I2C, format, ##args) static int started; @@ -22,8 +22,8 @@ static void i2c_delay(void) } /* Number of attempts to unwedge each pin. */ -#define UNWEDGE_SCL_ATTEMPTS 10 -#define UNWEDGE_SDA_ATTEMPTS 3 +#define UNWEDGE_SCL_ATTEMPTS 10 +#define UNWEDGE_SDA_ATTEMPTS 3 static void i2c_bitbang_unwedge(const struct i2c_port_t *i2c_port) { @@ -84,7 +84,7 @@ static void i2c_bitbang_unwedge(const struct i2c_port_t *i2c_port) /* Check if the bus is unwedged. */ if (gpio_get_level(i2c_port->sda) && - gpio_get_level(i2c_port->scl)) + gpio_get_level(i2c_port->scl)) break; } @@ -263,7 +263,7 @@ static int i2c_write_byte(const struct i2c_port_t *i2c_port, uint8_t byte) } static int i2c_read_byte(const struct i2c_port_t *i2c_port, uint8_t *byte, - int nack) + int nack) { int i; @@ -281,9 +281,8 @@ static int i2c_read_byte(const struct i2c_port_t *i2c_port, uint8_t *byte, } static int i2c_bitbang_xfer(const struct i2c_port_t *i2c_port, - const uint16_t addr_flags, - const uint8_t *out, int out_size, - uint8_t *in, int in_size, int flags) + const uint16_t addr_flags, const uint8_t *out, + int out_size, uint8_t *in, int in_size, int flags) { uint16_t addr_8bit = addr_flags << 1, err = EC_SUCCESS; int i = 0; @@ -320,7 +319,8 @@ static int i2c_bitbang_xfer(const struct i2c_port_t *i2c_port, for (i = 0; i < in_size; i++) { err = i2c_read_byte(i2c_port, &in[i], - (flags & I2C_XFER_STOP) && (i == in_size - 1)); + (flags & I2C_XFER_STOP) && + (i == in_size - 1)); if (err) goto exit; } @@ -353,9 +353,7 @@ __overridable void board_pre_task_i2c_peripheral_init(void) { } -const struct i2c_drv bitbang_drv = { - .xfer = &i2c_bitbang_xfer -}; +const struct i2c_drv bitbang_drv = { .xfer = &i2c_bitbang_xfer }; #ifdef TEST_BUILD int bitbang_start_cond(const struct i2c_port_t *i2c_port) |