[PATCH] elantech: Fix detection of touchpad on ASUS s301l
Subsystems:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest
STALE4362d
2 messages,
2 authors,
2014-09-08 · open the first message on its own page
http://mariusmonton.com/?p=489
Cc: stable@vger.kernel.org
Reported-and-tested-by: Màrius Monton <redacted>
Signed-off-by: Hans de Goede <redacted>
---
drivers/input/mouse/elantech.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index daaf82f..fad7367 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1331,6 +1331,13 @@ static bool elantech_is_signature_valid(const unsigned char *param)
if (param[1] == 0)
return true;
+ /*
+ * Some models have a revision higher then 20. Meaning param[2] may
+ * be 10 or 20, skip the rates check for these.
+ */
+ if (param[0] == 0x46 && (param[1] & 0xef) == 0x0f && param[2] < 40)
+ return true;
+
for (i = 0; i < ARRAY_SIZE(rates); i++)
if (param[2] == rates[i])
return false;
--
2.1.0
On Wed, Sep 03, 2014 at 04:24:02PM +0200, Hans de Goede wrote:
http://mariusmonton.com/?p=489
Cc: stable@vger.kernel.org
Reported-and-tested-by: Màrius Monton <redacted>
Signed-off-by: Hans de Goede <redacted>
Applied, thank you.
quoted hunk
---
drivers/input/mouse/elantech.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index daaf82f..fad7367 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1331,6 +1331,13 @@ static bool elantech_is_signature_valid(const unsigned char *param)
if (param[1] == 0)
return true;
+ /*
+ * Some models have a revision higher then 20. Meaning param[2] may
+ * be 10 or 20, skip the rates check for these.
+ */
+ if (param[0] == 0x46 && (param[1] & 0xef) == 0x0f && param[2] < 40)
+ return true;
+
for (i = 0; i < ARRAY_SIZE(rates); i++)
if (param[2] == rates[i])
return false;
--
2.1.0
--
Dmitry