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authorHans de Goede <hdegoede@redhat.com>2014-05-19 22:53:23 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2014-05-26 15:01:32 -0700
commite2f611029b370bb7a04236215ad4b36aa8cb98cd (patch)
treed53262e1baecc0b07e8a4fdbb711ad6313135a11 /drivers
parent6d396ede224dc596d92d7cab433713536e68916c (diff)
downloadlinux-e2f611029b370bb7a04236215ad4b36aa8cb98cd.tar.bz2
Input: synaptics - add a matches_pnp_id helper function
This is a preparation patch for simplifying the min/max quirk table. Cc: stable@vger.kernel.org Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/input/mouse/synaptics.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 898e8bb170f9..395ec9c5ae9a 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -156,6 +156,18 @@ static const char * const topbuttonpad_pnp_ids[] = {
NULL
};
+static bool matches_pnp_id(struct psmouse *psmouse, const char * const ids[])
+{
+ int i;
+
+ if (!strncmp(psmouse->ps2dev.serio->firmware_id, "PNP:", 4))
+ for (i = 0; ids[i]; i++)
+ if (strstr(psmouse->ps2dev.serio->firmware_id, ids[i]))
+ return true;
+
+ return false;
+}
+
/*****************************************************************************
* Synaptics communications functions
****************************************************************************/
@@ -1365,17 +1377,8 @@ static void set_input_params(struct psmouse *psmouse,
if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) {
__set_bit(INPUT_PROP_BUTTONPAD, dev->propbit);
- /* See if this buttonpad has a top button area */
- if (!strncmp(psmouse->ps2dev.serio->firmware_id, "PNP:", 4)) {
- for (i = 0; topbuttonpad_pnp_ids[i]; i++) {
- if (strstr(psmouse->ps2dev.serio->firmware_id,
- topbuttonpad_pnp_ids[i])) {
- __set_bit(INPUT_PROP_TOPBUTTONPAD,
- dev->propbit);
- break;
- }
- }
- }
+ if (matches_pnp_id(psmouse, topbuttonpad_pnp_ids))
+ __set_bit(INPUT_PROP_TOPBUTTONPAD, dev->propbit);
/* Clickpads report only left button */
__clear_bit(BTN_RIGHT, dev->keybit);
__clear_bit(BTN_MIDDLE, dev->keybit);