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    Subject[PATCH 3/8] Guest protocol switch in synaptics
    Date

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


    ChangeSet@1.1949, 2004-09-28 00:07:41-05:00, dtor_core@ameritech.net
    Input: synaptics - not only switch to 4-byte client protocol
    but also revert to 3-byte mode if client selected lower
    protocol.

    Signed-off-by: Dmitry Torokhov <dtor@mail.ru>


    synaptics.c | 10 +++++++---
    1 files changed, 7 insertions(+), 3 deletions(-)


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



    diff -Nru a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
    --- a/drivers/input/mouse/synaptics.c 2004-09-29 01:16:30 -05:00
    +++ b/drivers/input/mouse/synaptics.c 2004-09-29 01:16:30 -05:00
    @@ -264,10 +264,14 @@
    struct synaptics_data *priv = psmouse->private;

    /* adjust the touchpad to child's choice of protocol */
    - if (child && child->type >= PSMOUSE_GENPS) {
    - priv->mode |= SYN_BIT_FOUR_BYTE_CLIENT;
    + if (child) {
    + if (child->type >= PSMOUSE_GENPS)
    + priv->mode |= SYN_BIT_FOUR_BYTE_CLIENT;
    + else
    + priv->mode &= ~SYN_BIT_FOUR_BYTE_CLIENT;
    +
    if (synaptics_mode_cmd(psmouse, priv->mode))
    - printk(KERN_INFO "synaptics: failed to enable 4-byte guest protocol\n");
    + printk(KERN_INFO "synaptics: failed to switch guest protocol\n");
    }
    }

    -
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