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Subject[PATCH 3.12 05/66] Input: synaptics - add a matches_pnp_id helper function
Date
From: Hans de Goede <hdegoede@redhat.com>

3.12-stable review patch. If anyone has any objections, please let me know.

===============

commit e2f611029b370bb7a04236215ad4b36aa8cb98cd upstream.

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>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
drivers/input/mouse/synaptics.c | 25 ++++++++++++++-----------
1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index f4a5adc17d73..069c4fd1d0bb 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
****************************************************************************/
@@ -1401,17 +1413,8 @@ 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);
--
2.1.3


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