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authorCharles Keepax <ckeepax@opensource.wolfsonmicro.com>2015-06-25 09:35:12 +0100
committerMark Brown <broonie@kernel.org>2015-07-07 13:15:12 +0100
commit5f8e671a49e1d608fcf52c8944ea7818cd4c99a9 (patch)
tree8802ff671911422dd7866a21d5ebe56b900eac5d /sound/soc/codecs/wm5102.c
parentc05d9a8c7f55a901d9e8ec2a5f0730137bbfea4a (diff)
downloadblackbird-op-linux-5f8e671a49e1d608fcf52c8944ea7818cd4c99a9.tar.gz
blackbird-op-linux-5f8e671a49e1d608fcf52c8944ea7818cd4c99a9.zip
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/wm5102.c')
-rw-r--r--sound/soc/codecs/wm5102.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/sound/soc/codecs/wm5102.c b/sound/soc/codecs/wm5102.c
index 556bd9840e91..6ddee999bc51 100644
--- a/sound/soc/codecs/wm5102.c
+++ b/sound/soc/codecs/wm5102.c
@@ -847,10 +847,10 @@ ARIZONA_MIXER_CONTROLS("LHPF2", ARIZONA_HPLP2MIX_INPUT_1_SOURCE),
ARIZONA_MIXER_CONTROLS("LHPF3", ARIZONA_HPLP3MIX_INPUT_1_SOURCE),
ARIZONA_MIXER_CONTROLS("LHPF4", ARIZONA_HPLP4MIX_INPUT_1_SOURCE),
-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),
ARIZONA_MIXER_CONTROLS("DSP1L", ARIZONA_DSP1LMIX_INPUT_1_SOURCE),
ARIZONA_MIXER_CONTROLS("DSP1R", ARIZONA_DSP1RMIX_INPUT_1_SOURCE),
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