From: Dmitry Torokhov Signed-off-by: Dmitry Torokhov Signed-off-by: Andrew Morton --- drivers/hwmon/hdaps.c | 41 +++++++++++++++++++++++------------------ 1 files changed, 23 insertions(+), 18 deletions(-) diff -puN drivers/hwmon/hdaps.c~input-core-implement-class-hierachy-hdaps-fixes drivers/hwmon/hdaps.c --- devel/drivers/hwmon/hdaps.c~input-core-implement-class-hierachy-hdaps-fixes 2005-09-15 23:52:00.000000000 -0700 +++ devel-akpm/drivers/hwmon/hdaps.c 2005-09-15 23:52:00.000000000 -0700 @@ -60,9 +60,11 @@ #define HDAPS_POLL_PERIOD (HZ/20) /* poll for input every 1/20s */ #define HDAPS_INPUT_FUZZ 4 /* input event threshold */ +#define HDAPS_INPUT_FLAT 4 static struct timer_list hdaps_timer; static struct platform_device *pdev; +static struct input_dev *hdaps_idev; static unsigned int hdaps_invert; static u8 km_activity; static int rest_x; @@ -311,18 +313,6 @@ static struct device_driver hdaps_driver .resume = hdaps_resume }; -/* Input class stuff */ - -static struct input_dev hdaps_idev = { - .name = "hdaps", - .evbit = { BIT(EV_ABS) }, - .absbit = { BIT(ABS_X) | BIT(ABS_Y) }, - .absmin = { [ABS_X] = -256, [ABS_Y] = -256 }, - .absmax = { [ABS_X] = 256, [ABS_Y] = 256 }, - .absfuzz = { [ABS_X] = HDAPS_INPUT_FUZZ, [ABS_Y] = HDAPS_INPUT_FUZZ }, - .absflat = { [ABS_X] = HDAPS_INPUT_FUZZ, [ABS_Y] = HDAPS_INPUT_FUZZ }, -}; - /* * hdaps_calibrate - Set our "resting" values. Callers must hold hdaps_sem. */ @@ -344,9 +334,9 @@ static void hdaps_mousedev_poll(unsigned if (__hdaps_read_pair(HDAPS_PORT_XPOS, HDAPS_PORT_YPOS, &x, &y)) goto out; - input_report_abs(&hdaps_idev, ABS_X, x - rest_x); - input_report_abs(&hdaps_idev, ABS_Y, y - rest_y); - input_sync(&hdaps_idev); + input_report_abs(hdaps_idev, ABS_X, x - rest_x); + input_report_abs(hdaps_idev, ABS_Y, y - rest_y); + input_sync(hdaps_idev); mod_timer(&hdaps_timer, jiffies + HDAPS_POLL_PERIOD); @@ -569,12 +559,25 @@ static int __init hdaps_init(void) if (ret) goto out_device; + hdaps_idev = input_allocate_device(); + if (!hdaps_idev) { + ret = -ENOMEM; + goto out_group; + } + /* initial calibrate for the input device */ hdaps_calibrate(); /* initialize the input class */ - hdaps_idev.dev = &pdev->dev; - input_register_device(&hdaps_idev); + hdaps_idev->name = "hdaps"; + hdaps_idev->cdev.dev = &pdev->dev; + hdaps_idev->evbit[0] = BIT(EV_ABS); + input_set_abs_params(hdaps_idev, ABS_X, + -256, 256, HDAPS_INPUT_FUZZ, HDAPS_INPUT_FLAT); + input_set_abs_params(hdaps_idev, ABS_X, + -256, 256, HDAPS_INPUT_FUZZ, HDAPS_INPUT_FLAT); + + input_register_device(hdaps_idev); /* start up our timer for the input device */ init_timer(&hdaps_timer); @@ -585,6 +588,8 @@ static int __init hdaps_init(void) printk(KERN_INFO "hdaps: driver successfully loaded.\n"); return 0; +out_group: + sysfs_remove_group(&pdev->dev.kobj, &hdaps_attribute_group); out_device: platform_device_unregister(pdev); out_driver: @@ -599,7 +604,7 @@ out: static void __exit hdaps_exit(void) { del_timer_sync(&hdaps_timer); - input_unregister_device(&hdaps_idev); + input_unregister_device(hdaps_idev); sysfs_remove_group(&pdev->dev.kobj, &hdaps_attribute_group); platform_device_unregister(pdev); driver_unregister(&hdaps_driver); _