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AP_HAL: AP_HAL_Linux: align I2CDevice::read_registers_multiple()

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25c7e8b changed the logic of transfer(). Align
I2CDevice::read_registers_multiple() in the same way.

Signed-off-by: Ralf Ramsauer <ralf.ramsauer@othr.de>
This commit is contained in:
Ralf Ramsauer 2016-08-30 12:35:13 +02:00 committed by Lucas De Marchi
parent cba480d02b
commit 71212942da
1 changed files with 3 additions and 3 deletions
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6
libraries/AP_HAL_Linux/I2CDevice.cpp
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@ -217,13 +217,13 @@ bool I2CDevice::read_registers_multiple(uint8_t first_reg, uint8_t *recv,
recv += recv_len;
};
int r = -EINVAL;
int r;
unsigned retries = _retries;
do {
r = ::ioctl(_bus.fd, I2C_RDWR, &i2c_data);
} while (r < 0 && retries-- > 0);
} while (r == -1 && retries-- > 0);
if (r < 0) {
if (r == -1) {
return false;
}