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-rw-r--r--src/ch7xxx/ch7xxx.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/ch7xxx/ch7xxx.c b/src/ch7xxx/ch7xxx.c
index e4b21f28..d31a38c6 100644
--- a/src/ch7xxx/ch7xxx.c
+++ b/src/ch7xxx/ch7xxx.c
@@ -157,6 +157,9 @@ ch7xxx_init(I2CDevPtr d)
static ModeStatus
ch7xxx_mode_valid(I2CDevPtr d, DisplayModePtr mode)
{
+ if (mode->Clock > 165000)
+ return MODE_CLOCK_HIGH;
+
return MODE_OK;
}