[PATCH 4/6] arm/dts: imx6q-sabrelite: add sgtl5000 audio codec

quoted

?/* Default string compare functions, Allow arch asm/prom.h to override */
?#if !defined(of_compat_cmp)
?#define of_compat_cmp(s1, s2, l) ? ? ? strcasecmp((s1), (s2))
-#define of_prop_cmp(s1, s2) ? ? ? ? ? ?strcmp((s1), (s2))
+#define of_prop_cmp(s1, s2) ? ? ? ? ? ?strcasecmp((s1), (s2))
?#define of_node_cmp(s1, s2) ? ? ? ? ? ?strcasecmp((s1), (s2))
?#endif

Device-trees are case sensitive, so I don't think we want to go globally
changing that behavior.

If you want lower case names, then change the sgtl5000 code to lower
case names.

+1, I'd vote for consistent lower case names.