diff options
| -rw-r--r-- | chip/stm32/i2c-stm32l15x.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/chip/stm32/i2c-stm32l15x.c b/chip/stm32/i2c-stm32l15x.c index dc138ba107..8434db02f2 100644 --- a/chip/stm32/i2c-stm32l15x.c +++ b/chip/stm32/i2c-stm32l15x.c @@ -153,7 +153,9 @@ int i2c_xfer(int port, int slave_addr, const uint8_t *out, int out_bytes, STM32_I2C_CR1_STOP | STM32_I2C_CR1_POS | STM32_I2C_CR1_ACK); - if (out_bytes) { + + /* No out bytes and no in bytes means just check for active */ + if (out_bytes || !in_bytes) { if (!started) { rv = send_start(port, slave_addr); if (rv) |