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Input: synaptics - set minimum coordinates as reported by firmware

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Newer Synaptics firmware allows to query minimum coordinates reported by
the device, let's use this data.

Acked-by: Chase Douglas <chase.douglas@canonical.com>
Acked-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov
2011-07-09 12:32:56 -07:00
parent 28d5fd860f
commit a66413fbc3
2 changed files with 43 additions and 21 deletions
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8
drivers/input/mouse/synaptics.h
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@@ -19,7 +19,8 @@
#define SYN_QUE_RESOLUTION 0x08
#define SYN_QUE_EXT_CAPAB 0x09
#define SYN_QUE_EXT_CAPAB_0C 0x0c
#define SYN_QUE_EXT_DIMENSIONS 0x0d
#define SYN_QUE_EXT_MAX_COORDS 0x0d
#define SYN_QUE_EXT_MIN_COORDS 0x0f
/* synatics modes */
#define SYN_BIT_ABSOLUTE_MODE (1 << 7)
@@ -73,10 +74,12 @@
* 2 0x04 reduced filtering firmware does less filtering on
* position data, driver should watch
* for noise.
* 2 0x20 report min query 0x0f gives min coord reported
*/
#define SYN_CAP_CLICKPAD(ex0c) ((ex0c) & 0x100000) /* 1-button ClickPad */
#define SYN_CAP_CLICKPAD2BTN(ex0c) ((ex0c) & 0x000100) /* 2-button ClickPad */
#define SYN_CAP_MAX_DIMENSIONS(ex0c) ((ex0c) & 0x020000)
#define SYN_CAP_MIN_DIMENSIONS(ex0c) ((ex0c) & 0x000200)
#define SYN_CAP_ADV_GESTURE(ex0c) ((ex0c) & 0x080000)
#define SYN_CAP_REDUCED_FILTERING(ex0c) ((ex0c) & 0x000400)
@@ -134,7 +137,8 @@ struct synaptics_data {
unsigned long int ext_cap_0c; /* Ext Caps from 0x0c query */
unsigned long int identity; /* Identification */
unsigned int x_res, y_res; /* X/Y resolution in units/mm */
unsigned int x_max, y_max; /* Max dimensions (from FW) */
unsigned int x_max, y_max; /* Max coordinates (from FW) */
unsigned int x_min, y_min; /* Min coordinates (from FW) */
unsigned char pkt_type; /* packet type - old, new, etc */
unsigned char mode; /* current mode byte */