Russell King 7dde0c0328 ARM: sa11x0: assabet: better reset handling ... The codec reset pin is connected to several peripherals. When the reset is released, unfortunately the ADV7171 powers itself up rather than remaining in power-down mode. As we don't have a driver for this device, we end up needlessly consuming an additional 330mW. Not only that but we should have a way to arbitrate the reset signal. This patch provides that facility: we program the ADV7171 to sleep mode whenever the reset is released, and we release the reset when any one of the three peripherals requests the reset to be released. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>		2013-12-12 22:59:15 +00:00
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mach	ARM: sa11x0: assabet: better reset handling	2013-12-12 22:59:15 +00:00