usb: pd: Add helper macro to get Type C cable speed

Added a helper macro to get the Type C cable speed when provided the cable VDO. Reviewed-by: Heikki Krogerus <[email protected]> Signed-off-by: Utkarsh Patel <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
wafgo · Oct 2, 2023 · f9ee604 · f9ee604
1 parent c365b1e
commit f9ee604
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/include/linux/usb/pd_vdo.h b/include/linux/usb/pd_vdo.h
@@ -376,6 +376,7 @@
 	 | ((vbm) & 0x3) << 9 | (sbu) << 8 | (sbut) << 7 | ((cur) & 0x3) << 5	\
 	 | (vbt) << 4 | (sopp) << 3 | ((spd) & 0x7))
 
+#define VDO_TYPEC_CABLE_SPEED(vdo)	((vdo) & 0x7)
 #define VDO_TYPEC_CABLE_TYPE(vdo)	(((vdo) >> 18) & 0x3)
 
 /*