diff options
| author | Charles Keepax <ckeepax@opensource.wolfsonmicro.com> | 2015-06-25 11:35:12 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-07-07 15:15:12 +0300 |
| commit | 5f8e671a49e1d608fcf52c8944ea7818cd4c99a9 (patch) | |
| tree | 8802ff671911422dd7866a21d5ebe56b900eac5d /sound/soc/codecs/wm8997.c | |
| parent | c05d9a8c7f55a901d9e8ec2a5f0730137bbfea4a (diff) | |
| download | linux-5f8e671a49e1d608fcf52c8944ea7818cd4c99a9.tar.xz | |
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>
Diffstat (limited to 'sound/soc/codecs/wm8997.c')
| -rw-r--r-- | sound/soc/codecs/wm8997.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sound/soc/codecs/wm8997.c b/sound/soc/codecs/wm8997.c index 53e0a467d8de..b4dba3a02aba 100644 --- a/sound/soc/codecs/wm8997.c +++ b/sound/soc/codecs/wm8997.c @@ -238,10 +238,10 @@ SOC_ENUM("LHPF2 Mode", arizona_lhpf2_mode), SOC_ENUM("LHPF3 Mode", arizona_lhpf3_mode), SOC_ENUM("LHPF4 Mode", arizona_lhpf4_mode), -SND_SOC_BYTES("LHPF1 Coefficients", ARIZONA_HPLPF1_2, 1), -SND_SOC_BYTES("LHPF2 Coefficients", ARIZONA_HPLPF2_2, 1), -SND_SOC_BYTES("LHPF3 Coefficients", ARIZONA_HPLPF3_2, 1), -SND_SOC_BYTES("LHPF4 Coefficients", ARIZONA_HPLPF4_2, 1), +ARIZONA_LHPF_CONTROL("LHPF1 Coefficients", ARIZONA_HPLPF1_2), +ARIZONA_LHPF_CONTROL("LHPF2 Coefficients", ARIZONA_HPLPF2_2), +ARIZONA_LHPF_CONTROL("LHPF3 Coefficients", ARIZONA_HPLPF3_2), +ARIZONA_LHPF_CONTROL("LHPF4 Coefficients", ARIZONA_HPLPF4_2), SOC_ENUM("ISRC1 FSL", arizona_isrc_fsl[0]), SOC_ENUM("ISRC2 FSL", arizona_isrc_fsl[1]), |