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authorMark Brown <broonie@opensource.wolfsonmicro.com>2011-12-14 19:23:37 +0800
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-12-14 19:35:14 +0800
commit45ba82d81741398ec4f097fedf2c204704d53b6b (patch)
treeb905d02c610261e46ee98b958e09cd9a694dc980 /sound/soc/codecs/wm8996.c
parenta3462490b4d354c94031bfe644c65d374fc04aa6 (diff)
ASoC: Tune the accessory detection rates for WM8996
Use longer intervals when the microphone is not inserted to increase robustness against leisurely insertion. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/wm8996.c')
-rw-r--r--sound/soc/codecs/wm8996.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/sound/soc/codecs/wm8996.c b/sound/soc/codecs/wm8996.c
index 8f88f5a9c985..da7acaefa9d9 100644
--- a/sound/soc/codecs/wm8996.c
+++ b/sound/soc/codecs/wm8996.c
@@ -2572,8 +2572,10 @@ static void wm8996_micd(struct snd_soc_codec *codec)
SND_JACK_BTN_0);
snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
- WM8996_MICD_RATE_MASK,
- WM8996_MICD_RATE_MASK);
+ WM8996_MICD_RATE_MASK |
+ WM8996_MICD_BIAS_STARTTIME_MASK,
+ WM8996_MICD_RATE_MASK |
+ 9 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
return;
}
@@ -2590,8 +2592,10 @@ static void wm8996_micd(struct snd_soc_codec *codec)
/* Increase poll rate to give better responsiveness
* for buttons */
snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
- WM8996_MICD_RATE_MASK,
- 5 << WM8996_MICD_RATE_SHIFT);
+ WM8996_MICD_RATE_MASK |
+ WM8996_MICD_BIAS_STARTTIME_MASK,
+ 5 << WM8996_MICD_RATE_SHIFT |
+ 7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
} else {
dev_dbg(codec->dev, "Mic button up\n");
snd_soc_jack_report(wm8996->jack, 0, SND_JACK_BTN_0);
@@ -2639,8 +2643,10 @@ static void wm8996_micd(struct snd_soc_codec *codec)
* responsiveness.
*/
snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
- WM8996_MICD_RATE_MASK,
- 7 << WM8996_MICD_RATE_SHIFT);
+ WM8996_MICD_RATE_MASK |
+ WM8996_MICD_BIAS_STARTTIME_MASK,
+ 7 << WM8996_MICD_RATE_SHIFT |
+ 7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
}
}
}