diff options
Diffstat (limited to 'src/drivers/gpios.cpp')
| -rw-r--r-- | src/drivers/gpios.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/drivers/gpios.cpp b/src/drivers/gpios.cpp index e5560665..5c255204 100644 --- a/src/drivers/gpios.cpp +++ b/src/drivers/gpios.cpp @@ -37,13 +37,13 @@ static const uint8_t kPortADefault = 0b00111110; // 0 - 3.5mm jack detect (active low) // 1 - headphone amp power enable // 2 - sd card detect -// 3 - NC -// 4 - NC +// 3 - amplifier unmute (revisions < r8) +// 4 - amplifier mute (revisions >= r8) // 5 - NC // 6 - NC // 7 - NC // Default inputs high, amp off. -static const uint8_t kPortBDefault = 0b00000101; +static const uint8_t kPortBDefault = 0b00001101; /* * Convenience mehod for packing the port a and b bytes into a single 16 bit |