athens: Allow P2_MUX bit 6 to be 1.

For modes 12 inch RGB 512x384@60 and VGA 800x600@72.
2024-04-24 00:31:25 -07:00 · 2024-04-24 00:31:25 -07:00 · 861c2d4f04
parent da203b69c5
commit 861c2d4f04
1 changed files with 1 additions and 1 deletions
--- a/devices/common/i2c/athens.cpp
+++ b/devices/common/i2c/athens.cpp
@ -113,7 +113,7 @@ int AthensClocks::get_dot_freq()
        22, 27, 28, 31, 35, 37, 38, 42, 49, 55, 56, 78,  125
    };

-    if (this->regs[AthensRegs::P2_MUX2] & 0xC0) {
+    if (this->regs[AthensRegs::P2_MUX2] & 0x80) {
        LOG_F(INFO, "%s: dot clock disabled", this->name.c_str());
        return 0;
    }