Messages in this thread Patch in this message | | | Subject | [PATCH 2/8] Fix multibutton handling in synaptics.c. | Date | Thu, 25 Sep 2003 18:50:12 +0200 | From | Vojtech Pavlik <> |
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You can pull this changeset from: bk://kernel.bkbits.net/vojtech/input
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ChangeSet@1.1342, 2003-09-25 18:18:59+02:00, dtor_core@ameritech.net input: Fix multibutton handling in Synaptics.c (nExtBtn > 8 case)
synaptics.c | 21 +++++++++++++++++---- 1 files changed, 17 insertions(+), 4 deletions(-)
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diff -Nru a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c --- a/drivers/input/mouse/synaptics.c Thu Sep 25 18:37:42 2003 +++ b/drivers/input/mouse/synaptics.c Thu Sep 25 18:37:42 2003 @@ -164,7 +164,8 @@ if (SYN_CAP_EXTENDED(priv->capabilities)) { printk(KERN_INFO " Touchpad has extended capability bits\n"); - if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap)) + if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) && + SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) <= 8) printk(KERN_INFO " -> %d multi-buttons, i.e. besides standard buttons\n", (int)(SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap))); else if (SYN_CAP_FOUR_BUTTON(priv->capabilities)) @@ -352,7 +353,11 @@ if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap)) switch (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) & ~0x01) { default: - printk(KERN_ERR "This touchpad reports more than 8 multi-buttons, don't know how to handle.\n"); + /* + * if nExtBtn is greater than 8 it should be considered + * invalid and treated as 0 + */ + break; case 8: set_bit(BTN_7, psmouse->dev.keybit); set_bit(BTN_6, psmouse->dev.keybit); @@ -437,7 +442,11 @@ ((buf[3] & 2) ? !hw->right : hw->right)) { switch (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) & ~0x01) { default: - ; /* we did comment while initialising... */ + /* + * if nExtBtn is greater than 8 it should be + * considered invalid and treated as 0 + */ + break; case 8: hw->b7 = ((buf[5] & 0x08)) ? 1 : 0; hw->b6 = ((buf[4] & 0x08)) ? 1 : 0; @@ -516,7 +525,11 @@ if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap)) switch(SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) & ~0x01) { default: - ; /* we did comment while initialising... */ + /* + * if nExtBtn is greater than 8 it should be considered + * invalid and treated as 0 + */ + break; case 8: input_report_key(dev, BTN_7, hw.b7); input_report_key(dev, BTN_6, hw.b6); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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