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-rw-r--r--src/device/usbd.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/device/usbd.h b/src/device/usbd.h
index 9be12ed0a..2015d1869 100644
--- a/src/device/usbd.h
+++ b/src/device/usbd.h
@@ -229,7 +229,7 @@ bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_requ
// Config number, interface count, string index, total length, attribute, power in mA
#define TUD_CONFIG_DESCRIPTOR(config_num, _itfcount, _stridx, _total_len, _attribute, _power_ma) \
- 9, TUSB_DESC_CONFIGURATION, U16_TO_U8S_LE(_total_len), _itfcount, config_num, _stridx, TU_BIT(7) | _attribute, (_power_ma)/2
+ 9, TUSB_DESC_CONFIGURATION, U16_TO_U8S_LE(_total_len), _itfcount, config_num, _stridx, TU_BIT(7) | _attribute, (uint8_t)TU_MIN((_power_ma)/2, UINT8_MAX)
//--------------------------------------------------------------------+
// CDC Descriptor Templates