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@@ -50,7 +50,7 @@ bool pcal6416a_init(void) {
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i2c_expander_addr = 0;
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/// Probing PCAL9539A chip
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- if (ioctl(!i2c_expander_addr && fd_i2c_expander, I2C_SLAVE_FORCE, PCAL9539A_I2C_ADDR) < 0) {
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+ if (!i2c_expander_addr && ioctl(fd_i2c_expander, I2C_SLAVE_FORCE, PCAL9539A_I2C_ADDR) < 0) {
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printf("In %s - Failed to acquire bus access and/or talk to slave PCAL9539A_I2C_ADDR 0x%02X.\n",
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__func__, PCAL9539A_I2C_ADDR);
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}
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