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author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-04-07 19:20:14 +0100 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-04-13 15:11:46 +0100 |
commit | f2644a2c00a06236a9c5e85488b0680825bad39c (patch) | |
tree | 290e4a2b13cdee174bb0780403b033a61288b302 /sound/soc/codecs/ad1980.c | |
parent | a820532002e70e3a06f1ea7133e9b02443d07382 (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>
Diffstat (limited to 'sound/soc/codecs/ad1980.c')
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