diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/hwmon/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/hwmon/hdaps.c | 21 |
2 files changed, 13 insertions, 17 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 7e72e922b41c..db358cfa7cbf 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -418,12 +418,11 @@ config SENSORS_HDAPS help This driver provides support for the IBM Hard Drive Active Protection System (hdaps), which provides an accelerometer and other misc. data. - Supported laptops include the IBM ThinkPad T41, T42, T43, and R51. - The accelerometer data is readable via sysfs. + ThinkPads starting with the R50, T41, and X40 are supported. The + accelerometer data is readable via sysfs. - This driver also provides an input class device, allowing the - laptop to act as a pinball machine-esque mouse. This is off by - default but enabled via sysfs or the module parameter "mousedev". + This driver also provides an absolute input class device, allowing + the laptop to act as a pinball machine-esque joystick. Say Y here if you have an applicable laptop and want to experience the awesome power of hdaps. diff --git a/drivers/hwmon/hdaps.c b/drivers/hwmon/hdaps.c index 4c56411f3993..7f0107613827 100644 --- a/drivers/hwmon/hdaps.c +++ b/drivers/hwmon/hdaps.c @@ -4,9 +4,9 @@ * Copyright (C) 2005 Robert Love <rml@novell.com> * Copyright (C) 2005 Jesper Juhl <jesper.juhl@gmail.com> * - * The HardDisk Active Protection System (hdaps) is present in the IBM ThinkPad - * T41, T42, T43, R50, R50p, R51, and X40, at least. It provides a basic - * two-axis accelerometer and other data, such as the device's temperature. + * The HardDisk Active Protection System (hdaps) is present in IBM ThinkPads + * starting with the R40, T41, and X40. It provides a basic two-axis + * accelerometer and other data, such as the device's temperature. * * This driver is based on the document by Mark A. Smith available at * http://www.almaden.ibm.com/cs/people/marksmith/tpaps.html and a lot of trial @@ -487,24 +487,19 @@ static struct attribute_group hdaps_attribute_group = { /* Module stuff */ -/* - * XXX: We should be able to return nonzero and halt the detection process. - * But there is a bug in dmi_check_system() where a nonzero return from the - * first match will result in a return of failure from dmi_check_system(). - * I fixed this; the patch is 2.6-git. Once in a released tree, we can make - * hdaps_dmi_match_invert() return hdaps_dmi_match(), which in turn returns 1. - */ +/* hdaps_dmi_match - found a match. return one, short-circuiting the hunt. */ static int hdaps_dmi_match(struct dmi_system_id *id) { printk(KERN_INFO "hdaps: %s detected.\n", id->ident); - return 0; + return 1; } +/* hdaps_dmi_match_invert - found an inverted match. */ static int hdaps_dmi_match_invert(struct dmi_system_id *id) { hdaps_invert = 1; printk(KERN_INFO "hdaps: inverting axis readings.\n"); - return 0; + return hdaps_dmi_match(id); } #define HDAPS_DMI_MATCH_NORMAL(model) { \ @@ -534,6 +529,7 @@ static int __init hdaps_init(void) HDAPS_DMI_MATCH_INVERT("ThinkPad R50p"), HDAPS_DMI_MATCH_NORMAL("ThinkPad R50"), HDAPS_DMI_MATCH_NORMAL("ThinkPad R51"), + HDAPS_DMI_MATCH_NORMAL("ThinkPad R52"), HDAPS_DMI_MATCH_INVERT("ThinkPad T41p"), HDAPS_DMI_MATCH_NORMAL("ThinkPad T41"), HDAPS_DMI_MATCH_INVERT("ThinkPad T42p"), @@ -541,6 +537,7 @@ static int __init hdaps_init(void) HDAPS_DMI_MATCH_NORMAL("ThinkPad T43"), HDAPS_DMI_MATCH_NORMAL("ThinkPad X40"), HDAPS_DMI_MATCH_NORMAL("ThinkPad X41 Tablet"), + HDAPS_DMI_MATCH_NORMAL("ThinkPad X41"), { .ident = NULL } }; |