| esa.c | 1488 uint32_t gpo, polarity_port, polarity; local in function:esa_amp_enable 1506 gpo = (polarity_port >> 8) & 0x0f; 1509 polarity = polarity << gpo; 1510 gpo = 1 << gpo; 1511 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~gpo); 1513 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, data | gpo);
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