sm501: add support for the SM502 programmable PLL

SM502 has a programmable PLL which can provide the panel pixel clock instead
of the 288MHz and 336MHz PLLs.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Ville Syrjala <syrjala@sci.fi>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/sm501.h b/include/linux/sm501.h
index 932a9ef..bca1345 100644
--- a/include/linux/sm501.h
+++ b/include/linux/sm501.h
@@ -24,7 +24,8 @@
 extern unsigned long sm501_set_clock(struct device *dev,
 				     int clksrc, unsigned long freq);
 
-extern unsigned long sm501_find_clock(int clksrc, unsigned long req_freq);
+extern unsigned long sm501_find_clock(struct device *dev,
+				      int clksrc, unsigned long req_freq);
 
 /* sm501_misc_control
  *