From: Peter Rosin Date: Mon, 23 Feb 2015 20:03:33 +0000 (+0100) Subject: ASoC: pcm512x: Allow independently overclocking PLL, DAC and DSP X-Git-Tag: omap-for-v4.2/o2_dc~120^2~1^2~13^2~4^2 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f29933c9ae4b8f30c713186d3babb630c7cfb4f2;p=pandora-kernel.git ASoC: pcm512x: Allow independently overclocking PLL, DAC and DSP When using non-standard rates, a relatively small amount of overclocking can make a big difference to a number of cases. - Not all rates are possible to achieve with the PLL, due to divider restrictions. - The higher oversampling rates that can be used by the DAC, the simpler the analog output filters get (mirror frequencies move up, away from the desired spectrum). - The more work the DSP can perform per sample, the better. For standard rates, there is little to gain as everything is designed just right, and the needed overclocking to make a real difference would be significant. Signed-off-by: Peter Rosin Signed-off-by: Mark Brown --- Reading git-diff-tree failed