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| author | Hans de Goede <hdegoede@redhat.com> | 2014-05-19 22:53:23 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-06-07 10:28:21 -0700 |
| commit | 9cffb0d9a3781be5233f768eba98e24e842401da (patch) | |
| tree | abe1bdb53b6983f2233c7a58ad7098b2b70078d1 /drivers/input | |
| parent | 3f437926516b1689898011378c4aa88daee87d6b (diff) | |
| download | lwn-9cffb0d9a3781be5233f768eba98e24e842401da.tar.gz lwn-9cffb0d9a3781be5233f768eba98e24e842401da.zip | |
Input: synaptics - add a matches_pnp_id helper function
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/mouse/synaptics.c | 25 |
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); |