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(parent: 968a035) | patch
[xburst] sound jz4740_pcm: Don't request dma channel mor then once.
authorLars-Peter Clausen <lars@metafoo.de>
Mon, 22 Mar 2010 15:22:26 +0000 (15:22 +0000)
committerLars-Peter Clausen <lars@metafoo.de>
Mon, 22 Mar 2010 15:22:26 +0000 (15:22 +0000)
commit73c0188609b79684e275f394ec18fd1d3ce62f27
treed09ed6a7570969f58376082a64bbbfd0808c9a0atree | snapshot
parent968a0358e2c1af85e6f28e27b7270e85240dadeccommit | diff
[xburst] sound jz4740_pcm: Don't request dma channel mor then once.

It is possible that the hw_params callback is called multiple times when using
the oss emulation layer. Thus we need to check whether the dma channel has
already been requested otherwise we'll end up with all dma channels being
requested by sound driver.

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20369 3c298f89-4303-0410-b956-a3cf2f4a3e73
target/linux/xburst/files-2.6.32/sound/soc/jz4740/jz4740-pcm.c diff | blob | history
OpenWrt 15.05 release branch