Sansa AMS: Disable DMA clocks when not in use
commitc7e05e1ef56dbb02903f972fb3d58718da03767d
authorfunman <funman@a1c6a512-1295-4272-9138-f99709370657>
Thu, 4 Dec 2008 22:54:06 +0000 (4 22:54 +0000)
committerfunman <funman@a1c6a512-1295-4272-9138-f99709370657>
Thu, 4 Dec 2008 22:54:06 +0000 (4 22:54 +0000)
treef94f694a466ba9e859dbe1fe5564238a7f3d7216
parent14a68739f89fd97c9e5aa04e0c76163766992504
Sansa AMS: Disable DMA clocks when not in use

Add dma_retain() and dma_release() to reference count the users

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19344 a1c6a512-1295-4272-9138-f99709370657
firmware/target/arm/as3525/ata_sd_as3525.c
firmware/target/arm/as3525/dma-pl081.c
firmware/target/arm/as3525/dma-target.h
firmware/target/arm/as3525/pcm-as3525.c