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Commit 77438610 authored by Charles Keepax's avatar Charles Keepax Committed by Chanwoo Choi
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extcon: arizona: Add support for headphone detection on wm5110 rev D 



wm5110 rev D is the first chip to use headphone detection IP 2, specify
such and make a small correction as the impedance value is actually read
in 0.5 ohm increments now.

Signed-off-by: default avatarCharles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: default avatarChanwoo Choi <cw00.choi@samsung.com>
parent 9141461d

drivers/extcon/extcon-arizona.c

+12 −0
Original line number Diff line number Diff line
@@ -435,6 +435,8 @@ static int arizona_hpdet_read(struct arizona_extcon_info *info) 
		}



		val &= ARIZONA_HP_LVL_B_MASK;

		/* Convert to ohms, the value is in 0.5 ohm increments */

		val /= 2;



		regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1,

			    &range);
@@ -1147,6 +1149,16 @@ static int arizona_extcon_probe(struct platform_device *pdev) 
			break;

		}

		break;

	case WM5110:

		switch (arizona->rev) {

		case 0 ... 2:

			break;

		default:

			info->micd_clamp = true;

			info->hpdet_ip = 2;

			break;

		}

		break;

	default:

		break;

	}