lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

ACPI: thinkpad-acpi: register input device

Browse Source 
Register an input device to send input events to userspace.

This patch is based on a patch by Richard Hughes <hughsient@gmail.com>.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Richard Hughes <hughsient@gmail.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Henrique de Moraes Holschuh
2007-07-18 23:45:34 -03:00
committed by Len Brown
parent d54b7d7f80
commit 7f5d1cd628
2 changed files with 40 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
drivers/misc/thinkpad_acpi.c
View File

@@ -510,13 +510,14 @@ static char *next_cmd(char **cmds)
/****************************************************************************
****************************************************************************
*
* Device model: hwmon and platform
* Device model: input, hwmon and platform
*
****************************************************************************
****************************************************************************/
static struct platform_device *tpacpi_pdev;
static struct class_device *tpacpi_hwmon;
static struct input_dev *tpacpi_inputdev;
static struct platform_driver tpacpi_pdriver = {
.driver = {
@@ -4363,6 +4364,20 @@ static int __init thinkpad_acpi_module_init(void)
thinkpad_acpi_module_exit();
return ret;
}
tpacpi_inputdev = input_allocate_device();
if (!tpacpi_inputdev) {
printk(IBM_ERR "unable to allocate input device\n");
thinkpad_acpi_module_exit();
return -ENOMEM;
} else {
/* Prepare input device, but don't register */
tpacpi_inputdev->name = "ThinkPad Extra Buttons";
tpacpi_inputdev->phys = IBM_DRVR_NAME "/input0";
tpacpi_inputdev->id.bustype = BUS_HOST;
tpacpi_inputdev->id.vendor = TPACPI_HKEY_INPUT_VENDOR;
tpacpi_inputdev->id.product = TPACPI_HKEY_INPUT_PRODUCT;
tpacpi_inputdev->id.version = TPACPI_HKEY_INPUT_VERSION;
}
for (i = 0; i < ARRAY_SIZE(ibms_init); i++) {
ret = ibm_init(&ibms_init[i]);
if (ret >= 0 && *ibms_init[i].param)
@@ -4372,6 +4387,14 @@ static int __init thinkpad_acpi_module_init(void)
return ret;
}
}
ret = input_register_device(tpacpi_inputdev);
if (ret < 0) {
printk(IBM_ERR "unable to register input device\n");
thinkpad_acpi_module_exit();
return ret;
} else {
tp_features.input_device_registered = 1;
}
return 0;
}
@@ -4388,6 +4411,13 @@ static void thinkpad_acpi_module_exit(void)
dbg_printk(TPACPI_DBG_INIT, "finished subdriver exit path...\n");
if (tpacpi_inputdev) {
if (tp_features.input_device_registered)
input_unregister_device(tpacpi_inputdev);
else
input_free_device(tpacpi_inputdev);
}
if (tpacpi_hwmon)
hwmon_device_unregister(tpacpi_hwmon);