Blackfin: cmd_gpio: document/extend input sub-option
authorMike Frysinger <vapier@gentoo.org>
Fri, 13 Aug 2010 19:48:09 +0000 (15:48 -0400)
committerMike Frysinger <vapier@gentoo.org>
Sat, 2 Oct 2010 20:00:39 +0000 (16:00 -0400)
commit1729615875d5d443ef68154f7fff6af065301e59
tree6dea7abe1cf6da45c7d9c66ef524ed3bedfd9e8e
parent821ad16fa9900c9b48e9af678b4a5d7808a58f7c
Blackfin: cmd_gpio: document/extend input sub-option

The input sub command was missing from the help text, and it didn't show
the actual value currently read on the GPIO.  This allows people to read
the value of input pins.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
arch/blackfin/cpu/cmd_gpio.c