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Input: synaptics - gate forcepad support by DMI check

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Unfortunately, ForcePad capability is not actually exported over PS/2, so
we have to resort to DMI checks.

Cc: stable@vger.kernel.org
Reported-by: Nicole Faerber <nicole.faerber@kernelconcepts.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Dmitry Torokhov
2014-09-02 09:49:18 -07:00
parent 9d93551188
commit aa97240995
2 changed files with 23 additions and 7 deletions
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8
drivers/input/mouse/synaptics.h
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@@ -77,12 +77,9 @@
* for noise.
* 2 0x08 image sensor image sensor tracks 5 fingers, but only
* reports 2.
* 2 0x01 uniform clickpad whole clickpad moves instead of being
* hinged at the top.
* 2 0x20 report min query 0x0f gives min coord reported
* 2 0x80 forcepad forcepad is a variant of clickpad that
* does not have physical buttons but rather
* uses pressure above certain threshold to
* report primary clicks. Forcepads also have
* clickpad bit set.
*/
#define SYN_CAP_CLICKPAD(ex0c) ((ex0c) & 0x100000) /* 1-button ClickPad */
#define SYN_CAP_CLICKPAD2BTN(ex0c) ((ex0c) & 0x000100) /* 2-button ClickPad */
@@ -91,7 +88,6 @@
#define SYN_CAP_ADV_GESTURE(ex0c) ((ex0c) & 0x080000)
#define SYN_CAP_REDUCED_FILTERING(ex0c) ((ex0c) & 0x000400)
#define SYN_CAP_IMAGE_SENSOR(ex0c) ((ex0c) & 0x000800)
#define SYN_CAP_FORCEPAD(ex0c) ((ex0c) & 0x008000)
/* synaptics modes query bits */
#define SYN_MODE_ABSOLUTE(m) ((m) & (1 << 7))