| commit | 5f8e671a49e1d608fcf52c8944ea7818cd4c99a9 | |
| author | Charles Keepax <ckeepax@opensource.wolfsonmicro.com> | |
| Thu, 25 Jun 2015 08:35:12 +0000 (25 09:35 +0100) | ||
| committer | Mark Brown <broonie@kernel.org> | |
| Tue, 7 Jul 2015 12:15:12 +0000 (7 13:15 +0100) | ||
| tree | 8802ff671911422dd7866a21d5ebe56b900eac5d | treesnapshot (tar.gz zip) |
| parent | c05d9a8c7f55a901d9e8ec2a5f0730137bbfea4a | commitdiff |
ASoC: arizona: Implement stability check for LHPF coefficients
Specifying unstable coefficients for the low/high pass filters can have
a severe impact on the audio. This patchs adds a stability check on the
coefficients written to the low/high pass filter block to prevent this.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Specifying unstable coefficients for the low/high pass filters can have
a severe impact on the audio. This patchs adds a stability check on the
coefficients written to the low/high pass filter block to prevent this.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>