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authorHans de Goede <hdegoede@redhat.com>2018-03-04 15:35:52 +0100
committerMark Brown <broonie@kernel.org>2018-03-07 12:47:13 +0000
commit583a9debd71e21a317b1fc7b293c22c49b33d9e4 (patch)
tree18acb47f7eb222b7a5c0e97973311e65a83cdb3c /sound/soc/codecs/rt5651.h
parentf0c2a330d99ef81519dc809d8b6a7dafe39b0933 (diff)
downloadlinux-583a9debd71e21a317b1fc7b293c22c49b33d9e4.tar.gz
ASoC: rt5651: Allow specifying over-current threshold through a device-property
OVer-Current-Detection (OVCD) for the micbias current is used to detect
if an inserted jack is a headset or headphones (mic shorted to ground).

Some boards may need different values for the OVCD current threshold
because of a resistor on the board in serial with or parallel to the
jack mic contact.

This commit adds support for configuring the OCVD current threshold
through the "realtek,over-current-threshold-microamp" device-property.

Note this commit changes the default value from 600uA to 2000uA,
because testing has shown 600uA to be a poor default.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/rt5651.h')
-rw-r--r--sound/soc/codecs/rt5651.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt5651.h b/sound/soc/codecs/rt5651.h
index f3158488fc89..9cd5c279d0d6 100644
--- a/sound/soc/codecs/rt5651.h
+++ b/sound/soc/codecs/rt5651.h
@@ -2064,6 +2064,7 @@ struct rt5651_priv {
 	struct snd_soc_jack *hp_jack;
 	struct delayed_work jack_detect_work;
 	enum rt5651_jd_src jd_src;
+	unsigned int ovcd_th;
 
 	int irq;
 	int sysclk;