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Subject[PATCH 3.19 31/75] Input: synaptics - support min/max board id in min_max_pnpid_table
Date
3.19-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Daniel Martin <daniel.martin@secunet.com>

commit 5b3089ddb540401c1ad2e385a03d7e89ff954585 upstream.

Add a min/max range for board ids to the min/max coordinates quirk. This
makes it possible to restrict quirks to specific models based upon their
board id. The define ANY_BOARD_ID (0) serves as a wild card.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=91541

Signed-off-by: Daniel Martin <daniel.martin@secunet.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/input/mouse/synaptics.c | 42 ++++++++++++++++++++++++++++------------
1 file changed, 30 insertions(+), 12 deletions(-)

--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -120,32 +120,41 @@ void synaptics_reset(struct psmouse *psm

static bool cr48_profile_sensor;

+#define ANY_BOARD_ID 0
struct min_max_quirk {
const char * const *pnp_ids;
+ struct {
+ unsigned long int min, max;
+ } board_id;
int x_min, x_max, y_min, y_max;
};

static const struct min_max_quirk min_max_pnpid_table[] = {
{
(const char * const []){"LEN0033", NULL},
+ {ANY_BOARD_ID, ANY_BOARD_ID},
1024, 5052, 2258, 4832
},
{
(const char * const []){"LEN0042", NULL},
+ {ANY_BOARD_ID, ANY_BOARD_ID},
1232, 5710, 1156, 4696
},
{
(const char * const []){"LEN0034", "LEN0036", "LEN0037",
"LEN0039", "LEN2002", "LEN2004",
NULL},
+ {ANY_BOARD_ID, ANY_BOARD_ID},
1024, 5112, 2024, 4832
},
{
(const char * const []){"LEN2001", NULL},
+ {ANY_BOARD_ID, ANY_BOARD_ID},
1024, 5022, 2508, 4832
},
{
(const char * const []){"LEN2006", NULL},
+ {ANY_BOARD_ID, ANY_BOARD_ID},
1264, 5675, 1171, 4688
},
{ }
@@ -401,18 +410,27 @@ static void synaptics_apply_quirks(struc
int i;

for (i = 0; min_max_pnpid_table[i].pnp_ids; i++) {
- if (psmouse_matches_pnp_id(psmouse,
- min_max_pnpid_table[i].pnp_ids)) {
- priv->x_min = min_max_pnpid_table[i].x_min;
- priv->x_max = min_max_pnpid_table[i].x_max;
- priv->y_min = min_max_pnpid_table[i].y_min;
- priv->y_max = min_max_pnpid_table[i].y_max;
- psmouse_info(psmouse,
- "quirked min/max coordinates: x [%d..%d], y [%d..%d]\n",
- priv->x_min, priv->x_max,
- priv->y_min, priv->y_max);
- break;
- }
+ if (!psmouse_matches_pnp_id(psmouse,
+ min_max_pnpid_table[i].pnp_ids))
+ continue;
+
+ if (min_max_pnpid_table[i].board_id.min != ANY_BOARD_ID &&
+ priv->board_id < min_max_pnpid_table[i].board_id.min)
+ continue;
+
+ if (min_max_pnpid_table[i].board_id.max != ANY_BOARD_ID &&
+ priv->board_id > min_max_pnpid_table[i].board_id.max)
+ continue;
+
+ priv->x_min = min_max_pnpid_table[i].x_min;
+ priv->x_max = min_max_pnpid_table[i].x_max;
+ priv->y_min = min_max_pnpid_table[i].y_min;
+ priv->y_max = min_max_pnpid_table[i].y_max;
+ psmouse_info(psmouse,
+ "quirked min/max coordinates: x [%d..%d], y [%d..%d]\n",
+ priv->x_min, priv->x_max,
+ priv->y_min, priv->y_max);
+ break;
}
}




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