[PATCH 6/6] Input: elantech - Add the flag which will also use host notify

From: Dave Wang
Date: Sun Dec 08 2019 - 22:43:17 EST


From: "Dave.Wang" <dave.wang@xxxxxxxxxx>

Add the flag which will also use host notify technique in SMBus
interface.

Signed-off-by: Dave Wang <dave.wang@xxxxxxxxxx>
---
drivers/input/mouse/elantech.c | 1 +
drivers/input/mouse/elantech.h | 1 +
2 files changed, 2 insertions(+)

diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 0392b668cd39..3422710f4100 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -2022,6 +2022,7 @@ static bool elantech_use_host_notify(struct psmouse *psmouse,
case ETP_BUS_SMB_HST_NTFY_ONLY:
/* fall-through */
case ETP_BUS_PS2_SMB_HST_NTFY:
+ case ETP_BUS_AMD_SMB_ALERT:
return true;
default:
psmouse_dbg(psmouse,
diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h
index a633ffa0eb07..3b35ebb56607 100644
--- a/drivers/input/mouse/elantech.h
+++ b/drivers/input/mouse/elantech.h
@@ -115,6 +115,7 @@
#define ETP_BUS_SMB_HST_NTFY_ONLY 2
#define ETP_BUS_PS2_SMB_ALERT 3
#define ETP_BUS_PS2_SMB_HST_NTFY 4
+#define ETP_BUS_AMD_SMB_ALERT 6

/*
* New ICs are either using SMBus Host Notify or just plain PS2.
--
2.17.1