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authorMark Brown <broonie@opensource.wolfsonmicro.com>2009-04-07 19:20:14 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2009-04-13 15:11:46 +0100
commitf2644a2c00a06236a9c5e85488b0680825bad39c (patch)
tree290e4a2b13cdee174bb0780403b033a61288b302 /sound/soc/codecs/ad1980.c
parenta820532002e70e3a06f1ea7133e9b02443d07382 (diff)
ASoC: Add WM8960 CODEC driver
The WM8960 is a low power, high quality stereo codec designed for portable digital audio applications. Stereo class D speaker drivers provide 1W per channel into 8W loads. Guaranteed low leakage, excellent PSRR and pop/click suppression mechanisms enable direct battery connection for the speaker supply. The device also integrates a complete microphone interface and a stereo headphone driver. External component requirements are drastically reduced as no separate microphone, speaker or headphone amplifiers are required. Advanced on-chip digital signal processing performs automatic level control for the microphone or line input. Stereo 24-bit sigma-delta ADCs and DACs are used with low power over-sampling digital interpolation and decimation filters and a flexible digital audio interface. The master clock can be input directly or generated internally by an onboard PLL, supporting most commonly-used clocking schemes. This driver was originally written by Liam Girdwood, with substantial subsequent additions and updates for feature completeness and changes in the ASoC framework from me. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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