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>
This commit is contained in:
Hans de Goede
2018-03-04 15:35:52 +01:00
committed by Mark Brown
parent f0c2a330d9
commit 583a9debd7
2 changed files with 22 additions and 1 deletions

View File

@@ -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;