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Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/typec/mux/fsa4480.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/usb/typec/mux/fsa4480.c b/drivers/usb/typec/mux/fsa4480.c
index ab3ff71a6272..e0ee1f621abb 100644
--- a/drivers/usb/typec/mux/fsa4480.c
+++ b/drivers/usb/typec/mux/fsa4480.c
@@ -25,15 +25,24 @@
#define FSA4480_DELAY_L_MIC 0x0e
#define FSA4480_DELAY_L_SENSE 0x0f
#define FSA4480_DELAY_L_AGND 0x10
+#define FSA4480_FUNCTION_ENABLE 0x12
#define FSA4480_RESET 0x1e
#define FSA4480_MAX_REGISTER 0x1f
#define FSA4480_ENABLE_DEVICE BIT(7)
#define FSA4480_ENABLE_SBU GENMASK(6, 5)
#define FSA4480_ENABLE_USB GENMASK(4, 3)
+#define FSA4480_ENABLE_SENSE BIT(2)
+#define FSA4480_ENABLE_MIC BIT(1)
+#define FSA4480_ENABLE_AGND BIT(0)
#define FSA4480_SEL_SBU_REVERSE GENMASK(6, 5)
#define FSA4480_SEL_USB GENMASK(4, 3)
+#define FSA4480_SEL_SENSE BIT(2)
+#define FSA4480_SEL_MIC BIT(1)
+#define FSA4480_SEL_AGND BIT(0)
+
+#define FSA4480_ENABLE_AUTO_JACK_DETECT BIT(0)
struct fsa4480 {
struct i2c_client *client;
@@ -95,6 +104,9 @@ static int fsa4480_set(struct fsa4480 *fsa)
default:
return -EOPNOTSUPP;
}
+ } else if (fsa->mode == TYPEC_MODE_AUDIO) {
+ /* Audio Accessory Mode, setup to auto Jack Detection */
+ enable |= FSA4480_ENABLE_USB | FSA4480_ENABLE_AGND;
} else
return -EOPNOTSUPP;
@@ -110,6 +122,11 @@ static int fsa4480_set(struct fsa4480 *fsa)
regmap_write(fsa->regmap, FSA4480_SWITCH_SELECT, sel);
regmap_write(fsa->regmap, FSA4480_SWITCH_ENABLE, enable);
+ /* Start AUDIO JACK DETECTION to setup MIC, AGND & Sense muxes */
+ if (enable & FSA4480_ENABLE_AGND)
+ regmap_write(fsa->regmap, FSA4480_FUNCTION_ENABLE,
+ FSA4480_ENABLE_AUTO_JACK_DETECT);
+
if (enable & FSA4480_ENABLE_SBU) {
/* 15us to allow the SBU switch to turn on again */
usleep_range(15, 1000);