On Sat, Dec 3, 2011 at 3:45 PM, Florian Tobias Schandinat <FlorianSchandinat@xxxxxx> wrote: > >> + return !!(i740inreg(par, XRX, REG_DDC_STATE) & DDC_SCL); > > Why "!!"? This is a trick that guarantees that the return value is either 0 or 1. Without the !!, the return value will be either 0 or DDC_SCL. -- Timur Tabi Linux kernel developer at Freescale -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
