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drivers: i2c: esp32: Fix command address on i2c_esp32_write_msg() 

The wait address command must be the last command address.

Unncessary variable was removed.

Signed-off-by: Vitor Massaru Iha <vitor@massaru.org>
This commit is contained in:
Vitor Massaru Iha 2018-01-25 13:37:24 -02:00 committed by Anas Nashif
parent 685f09779d
commit 6452b2e5e2
1 changed files with 3 additions and 4 deletions
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7
drivers/i2c/i2c_esp32.c
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@ -497,7 +497,6 @@ static int i2c_esp32_write_msg(struct device *dev, u16_t addr,
cmd = i2c_esp32_write_addr(dev, cmd, &msg, addr);
for (; msg.len; cmd = (void *)I2C_COMD0_REG(config->index)) {
volatile struct i2c_esp32_cmd *wait_cmd = cmd;
u32_t to_send = min(I2C_ESP32_BUFFER_SIZE, msg.len);
u32_t i;
int ret;
@ -515,16 +514,16 @@ static int i2c_esp32_write_msg(struct device *dev, u16_t addr,
msg.len -= to_send;
if (!msg.len && (msg.flags & I2C_MSG_STOP)) {
*cmd++ = (struct i2c_esp32_cmd) {
*cmd = (struct i2c_esp32_cmd) {
.opcode = I2C_ESP32_OP_STOP
};
} else {
*cmd++ = (struct i2c_esp32_cmd) {
*cmd = (struct i2c_esp32_cmd) {
.opcode = I2C_ESP32_OP_END
};
}
ret = i2c_esp32_transmit_wait(dev, wait_cmd);
ret = i2c_esp32_transmit_wait(dev, cmd);
if (ret < 0) {
return ret;
}