Messages in this thread Patch in this message | | | From | Dmitry Torokhov <> | Subject | [PATCH 8/19] serio rebind | Date | Mon, 28 Jun 2004 00:16:27 -0500 |
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ChangeSet@1.1782, 2004-06-27 15:56:07-05:00, dtor_core@ameritech.net Input: allow users manually rebind serio ports, like this: echo -n "psmouse" > /sys/bus/serio/devices/serio0/driver echo -n "atkbd" > /sys/bus/serio/devices/serio1/driver echo -n "none" > /sys/bus/serio/devices/serio1/driver echo -n "reconnect" > /sys/bus/serio/devices/serio1/driver echo -n "rescan" > /sys/bus/serio/devices/serio1/driver Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
serio.c | 34 +++++++++++++++++++++++++++++++++- 1 files changed, 33 insertions(+), 1 deletion(-)
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diff -Nru a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c --- a/drivers/input/serio/serio.c 2004-06-27 17:49:15 -05:00 +++ b/drivers/input/serio/serio.c 2004-06-27 17:49:15 -05:00 @@ -257,7 +257,39 @@ { return sprintf(buf, "%s\n", dev->driver ? dev->driver->name : "(none)"); } -static DEVICE_ATTR(driver, S_IRUGO, serio_show_driver, NULL); + +static ssize_t serio_rebind_driver(struct device *dev, const char *buf, size_t count) +{ + struct serio *serio = to_serio_port(dev); + struct device_driver *drv; + struct kobject *k; + int retval; + + retval = down_interruptible(&serio_sem); + if (retval) + return retval; + + retval = count; + if (!strncmp(buf, "none", count)) { + serio_disconnect_port(serio); + } else if (!strncmp(buf, "reconnect", count)) { + serio_reconnect_port(serio); + } else if (!strncmp(buf, "rescan", count)) { + serio_disconnect_port(serio); + serio_connect_port(serio, NULL); + } else if ((k = kset_find_obj(&serio_bus.drivers, buf)) != NULL) { + drv = container_of(k, struct device_driver, kobj); + serio_disconnect_port(serio); + serio_connect_port(serio, to_serio_driver(drv)); + } else { + retval = -EINVAL; + } + + up(&serio_sem); + + return retval; +} +static DEVICE_ATTR(driver, S_IWUSR | S_IRUGO, serio_show_driver, serio_rebind_driver); static void serio_release_port(struct device *dev) { - 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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