/**
* bcm2835_get_mmc_clock() - get the frequency of the MMC clock
*
+ * @clock_id: ID of clock to get frequency for
* @return clock frequency, or -ve on error
*/
-int bcm2835_get_mmc_clock(void);
+int bcm2835_get_mmc_clock(u32 clock_id);
/**
* bcm2835_get_video_size() - get the current display size