ASoC: Add MICFIL SoC Digital Audio Interface driver.

Browse source

Add Digital Audio Interface driver that convers PDM bitstream to PCM
format.

Features:
- Fixed filtering characteristics for audio application.
- Full or partial set of channels operation with individual enable control.
- Programmable PDM clock generator.
- Programmable decimation rate.
- 16-bit signed output result.
- Overall stopband attenuation more than 80dB.
- Overall passband ripple less than 0.2dB.

Signed-off-by: Cosmin-Gabriel Samoila <cosmin.samoila@nxp.com>
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

...

This commit is contained in:

Cosmin Samoila 2019-01-04 09:17:38 +00:00 • committed by Mark Brown

parent e595da28ec

commit 47a70e6fc9

No known key found for this signature in database

GPG key ID: 24D68B725D5487D0

4 changed files with 1120 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

9

sound/soc/fsl/Kconfig

View file

2

sound/soc/fsl/Makefile

View file

826

sound/soc/fsl/fsl_micfil.c

View file

283

sound/soc/fsl/fsl_micfil.h

View file