From c9815232c3cca58bb2b664f37b681841981ed4a9 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Pali=20Roh=C3=A1r?= Date: Tue, 7 Mar 2017 09:42:46 -0800 Subject: [PATCH] Input: alps - warn about unsupported ALPS V9 touchpad MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Support for devices with ALPS_PROTO_V9 is not implemented yet but we can detect these alps touchpads and warn users about it. Signed-off-by: Pali Rohár Signed-off-by: Dmitry Torokhov --- drivers/input/mouse/alps.c | 10 ++++++++++ drivers/input/mouse/alps.h | 1 + 2 files changed, 11 insertions(+) diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index f36de829390b..c893af6a33b0 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -164,6 +164,10 @@ static const struct alps_protocol_info alps_v8_protocol_data = { ALPS_PROTO_V8, 0x18, 0x18, 0 }; +static const struct alps_protocol_info alps_v9_protocol_data = { + ALPS_PROTO_V9, 0xc8, 0xc8, 0 +}; + /* * Some v2 models report the stick buttons in separate bits */ @@ -2838,6 +2842,12 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv) } else if (e7[0] == 0x73 && e7[1] == 0x03 && e7[2] == 0x28 && ec[1] == 0x01) { protocol = &alps_v8_protocol_data; + } else if (e7[0] == 0x73 && e7[1] == 0x03 && e7[2] == 0xc8) { + protocol = &alps_v9_protocol_data; + psmouse_warn(psmouse, + "Unsupported ALPS V9 touchpad: E7=%3ph, EC=%3ph\n", + e7, ec); + return -EINVAL; } else { psmouse_dbg(psmouse, "Likely not an ALPS touchpad: E7=%3ph, EC=%3ph\n", e7, ec); diff --git a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h index 6d279aa27cb9..54f9f4401a77 100644 --- a/drivers/input/mouse/alps.h +++ b/drivers/input/mouse/alps.h @@ -23,6 +23,7 @@ #define ALPS_PROTO_V6 0x600 #define ALPS_PROTO_V7 0x700 /* t3btl t4s */ #define ALPS_PROTO_V8 0x800 /* SS4btl SS4s */ +#define ALPS_PROTO_V9 0x900 /* ss3btl */ #define MAX_TOUCHES 4 -- 2.39.5