diff options
| -rw-r--r-- | host/lib/usrp/cores/gpio_atr_3000.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/host/lib/usrp/cores/gpio_atr_3000.cpp b/host/lib/usrp/cores/gpio_atr_3000.cpp index d48211fd4..14996f659 100644 --- a/host/lib/usrp/cores/gpio_atr_3000.cpp +++ b/host/lib/usrp/cores/gpio_atr_3000.cpp @@ -74,7 +74,9 @@ public: auto value = (mode == MODE_ATR) ? ~MASK_SET_ALL : MASK_SET_ALL; _atr_disable_reg.set_with_mask(value, mask); _atr_disable_reg.flush(); - _update_attr_state(GPIO_CTRL, value, mask); + // The attr state is inverted from _atr_disable_reg. In _atr_disable_reg, + // 1 == disable, whereas in CTRL, 1 means enable ATR. + _update_attr_state(GPIO_CTRL, ~value, mask); } virtual void set_gpio_ddr(const gpio_ddr_t dir, const uint32_t mask) |