mfd: fusb302: fix dp can't be recognized through typec.

zainwangrockchips · rkhuangtao · commit b72c85258042 · 2018-06-06T09:39:23.000+08:00
Add notify state to the struct vdm_state, otherwise, we
couldn't notify DP because vdm_state_ready would be ignored
by IS_VDM_ACTIVE.

Change-Id: Ib03dae2ebdfbfba0061af0e9ae2928c0c9123192
Signed-off-by: Wenping Zhang &lt;wenping.zhang@rock-chips.com&gt;
Signed-off-by: zain wang &lt;wzz@rock-chips.com&gt;
diff --git a/drivers/mfd/fusb302.c b/drivers/mfd/fusb302.c
@@ -1439,8 +1439,11 @@ static void auto_vdm_machine(struct fusb30x_chip *chip, u32 evt)
 	case VDM_STATE_DP_CONFIG:
 		AUTO_VDM_HANDLE(vdm_send_dpconfig, chip, evt, conditions);
 		break;
-	default:
+	case VDM_STATE_NOTIFY:
 		platform_fusb_notify(chip);
+		chip->vdm_state = VDM_STATE_READY;
+		break;
+	default:
 		break;
 	}
 }
diff --git a/drivers/mfd/fusb302.h b/drivers/mfd/fusb302.h
@@ -142,6 +142,7 @@ enum vdm_state {
 	VDM_STATE_ENTER_MODE,
 	VDM_STATE_UPDATE_STATUS,
 	VDM_STATE_DP_CONFIG,
+	VDM_STATE_NOTIFY,
 	VDM_STATE_READY,
 	VDM_STATE_ERR,
 };

Original file line number	Diff line number	Diff line change
`@@ -1439,8 +1439,11 @@ static void auto_vdm_machine(struct fusb30x_chip *chip, u32 evt)`
`1439`	`1439`	`case VDM_STATE_DP_CONFIG:`
`1440`	`1440`	`AUTO_VDM_HANDLE(vdm_send_dpconfig, chip, evt, conditions);`
`1441`	`1441`	`break;`
`1442`		`- default:`
	`1442`	`+ case VDM_STATE_NOTIFY:`
`1443`	`1443`	`platform_fusb_notify(chip);`
	`1444`	`+ chip->vdm_state = VDM_STATE_READY;`
	`1445`	`+ break;`
	`1446`	`+ default:`
`1444`	`1447`	`break;`
`1445`	`1448`	`}`
`1446`	`1449`	`}`