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path: root/drivers/platform/x86/acerhdf.c
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Diffstat (limited to 'drivers/platform/x86/acerhdf.c')
-rw-r--r--drivers/platform/x86/acerhdf.c223
1 files changed, 145 insertions, 78 deletions
diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
index 7b2384d674d..f94467c0522 100644
--- a/drivers/platform/x86/acerhdf.c
+++ b/drivers/platform/x86/acerhdf.c
@@ -5,7 +5,7 @@
*
* (C) 2009 - Peter Feuerer peter (a) piie.net
* http://piie.net
- * 2009 Borislav Petkov <petkovbb@gmail.com>
+ * 2009 Borislav Petkov bp (a) alien8.de
*
* Inspired by and many thanks to:
* o acerfand - Rachel Greenham
@@ -35,10 +35,8 @@
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/fs.h>
#include <linux/dmi.h>
-#include <acpi/acpi_drivers.h>
-#include <linux/sched.h>
+#include <linux/acpi.h>
#include <linux/thermal.h>
#include <linux/platform_device.h>
@@ -52,7 +50,7 @@
*/
#undef START_IN_KERNEL_MODE
-#define DRV_VER "0.5.22"
+#define DRV_VER "0.5.26"
/*
* According to the Atom N270 datasheet,
@@ -85,16 +83,16 @@ static int kernelmode;
#endif
static unsigned int interval = 10;
-static unsigned int fanon = 63000;
-static unsigned int fanoff = 58000;
+static unsigned int fanon = 60000;
+static unsigned int fanoff = 53000;
static unsigned int verbose;
static unsigned int fanstate = ACERHDF_FAN_AUTO;
static char force_bios[16];
static char force_product[16];
static unsigned int prev_interval;
-struct thermal_zone_device *thz_dev;
-struct thermal_cooling_device *cl_dev;
-struct platform_device *acerhdf_dev;
+static struct thermal_zone_device *thz_dev;
+static struct thermal_cooling_device *cl_dev;
+static struct platform_device *acerhdf_dev;
module_param(kernelmode, uint, 0);
MODULE_PARM_DESC(kernelmode, "Kernel mode fan control on / off");
@@ -112,14 +110,12 @@ module_param_string(force_product, force_product, 16, 0);
MODULE_PARM_DESC(force_product, "Force BIOS product and omit BIOS check");
/*
- * cmd_off: to switch the fan completely off
- * chk_off: to check if the fan is off
+ * cmd_off: to switch the fan completely off and check if the fan is off
* cmd_auto: to set the BIOS in control of the fan. The BIOS regulates then
* the fan speed depending on the temperature
*/
struct fancmd {
u8 cmd_off;
- u8 chk_off;
u8 cmd_auto;
};
@@ -136,47 +132,100 @@ struct bios_settings_t {
/* Register addresses and values for different BIOS versions */
static const struct bios_settings_t bios_tbl[] = {
/* AOA110 */
- {"Acer", "AOA110", "v0.3109", 0x55, 0x58, {0x1f, 0x1f, 0x00} },
- {"Acer", "AOA110", "v0.3114", 0x55, 0x58, {0x1f, 0x1f, 0x00} },
- {"Acer", "AOA110", "v0.3301", 0x55, 0x58, {0xaf, 0xaf, 0x00} },
- {"Acer", "AOA110", "v0.3304", 0x55, 0x58, {0xaf, 0xaf, 0x00} },
- {"Acer", "AOA110", "v0.3305", 0x55, 0x58, {0xaf, 0xaf, 0x00} },
- {"Acer", "AOA110", "v0.3307", 0x55, 0x58, {0xaf, 0xaf, 0x00} },
- {"Acer", "AOA110", "v0.3308", 0x55, 0x58, {0x21, 0x21, 0x00} },
- {"Acer", "AOA110", "v0.3309", 0x55, 0x58, {0x21, 0x21, 0x00} },
- {"Acer", "AOA110", "v0.3310", 0x55, 0x58, {0x21, 0x21, 0x00} },
+ {"Acer", "AOA110", "v0.3109", 0x55, 0x58, {0x1f, 0x00} },
+ {"Acer", "AOA110", "v0.3114", 0x55, 0x58, {0x1f, 0x00} },
+ {"Acer", "AOA110", "v0.3301", 0x55, 0x58, {0xaf, 0x00} },
+ {"Acer", "AOA110", "v0.3304", 0x55, 0x58, {0xaf, 0x00} },
+ {"Acer", "AOA110", "v0.3305", 0x55, 0x58, {0xaf, 0x00} },
+ {"Acer", "AOA110", "v0.3307", 0x55, 0x58, {0xaf, 0x00} },
+ {"Acer", "AOA110", "v0.3308", 0x55, 0x58, {0x21, 0x00} },
+ {"Acer", "AOA110", "v0.3309", 0x55, 0x58, {0x21, 0x00} },
+ {"Acer", "AOA110", "v0.3310", 0x55, 0x58, {0x21, 0x00} },
/* AOA150 */
- {"Acer", "AOA150", "v0.3114", 0x55, 0x58, {0x20, 0x20, 0x00} },
- {"Acer", "AOA150", "v0.3301", 0x55, 0x58, {0x20, 0x20, 0x00} },
- {"Acer", "AOA150", "v0.3304", 0x55, 0x58, {0x20, 0x20, 0x00} },
- {"Acer", "AOA150", "v0.3305", 0x55, 0x58, {0x20, 0x20, 0x00} },
- {"Acer", "AOA150", "v0.3307", 0x55, 0x58, {0x20, 0x20, 0x00} },
- {"Acer", "AOA150", "v0.3308", 0x55, 0x58, {0x20, 0x20, 0x00} },
- {"Acer", "AOA150", "v0.3309", 0x55, 0x58, {0x20, 0x20, 0x00} },
- {"Acer", "AOA150", "v0.3310", 0x55, 0x58, {0x20, 0x20, 0x00} },
+ {"Acer", "AOA150", "v0.3114", 0x55, 0x58, {0x1f, 0x00} },
+ {"Acer", "AOA150", "v0.3301", 0x55, 0x58, {0x20, 0x00} },
+ {"Acer", "AOA150", "v0.3304", 0x55, 0x58, {0x20, 0x00} },
+ {"Acer", "AOA150", "v0.3305", 0x55, 0x58, {0x20, 0x00} },
+ {"Acer", "AOA150", "v0.3307", 0x55, 0x58, {0x20, 0x00} },
+ {"Acer", "AOA150", "v0.3308", 0x55, 0x58, {0x20, 0x00} },
+ {"Acer", "AOA150", "v0.3309", 0x55, 0x58, {0x20, 0x00} },
+ {"Acer", "AOA150", "v0.3310", 0x55, 0x58, {0x20, 0x00} },
+ /* LT1005u */
+ {"Acer", "LT-10Q", "v0.3310", 0x55, 0x58, {0x20, 0x00} },
/* Acer 1410 */
- {"Acer", "Aspire 1410", "v0.3120", 0x55, 0x58, {0x9e, 0x9e, 0x00} },
- {"Acer", "Aspire 1410", "v1.3303", 0x55, 0x58, {0x9e, 0x9e, 0x00} },
+ {"Acer", "Aspire 1410", "v0.3108", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1410", "v0.3113", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1410", "v0.3115", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1410", "v0.3117", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1410", "v0.3119", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1410", "v0.3120", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1410", "v1.3204", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1410", "v1.3303", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1410", "v1.3308", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1410", "v1.3310", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1410", "v1.3314", 0x55, 0x58, {0x9e, 0x00} },
/* Acer 1810xx */
- {"Acer", "Aspire 1810TZ", "v0.3120", 0x55, 0x58, {0x9e, 0x9e, 0x00} },
- {"Acer", "Aspire 1810T", "v0.3120", 0x55, 0x58, {0x9e, 0x9e, 0x00} },
- {"Acer", "Aspire 1810T", "v1.3303", 0x55, 0x58, {0x9e, 0x9e, 0x00} },
- {"Acer", "Aspire 1810TZ", "v1.3303", 0x55, 0x58, {0x9e, 0x9e, 0x00} },
+ {"Acer", "Aspire 1810TZ", "v0.3108", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1810T", "v0.3108", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1810TZ", "v0.3113", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1810T", "v0.3113", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1810TZ", "v0.3115", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1810T", "v0.3115", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1810TZ", "v0.3117", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1810T", "v0.3117", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1810TZ", "v0.3119", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1810T", "v0.3119", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1810TZ", "v0.3120", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1810T", "v0.3120", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1810TZ", "v1.3204", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1810T", "v1.3204", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1810TZ", "v1.3303", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1810T", "v1.3303", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1810TZ", "v1.3308", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1810T", "v1.3308", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1810TZ", "v1.3310", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1810T", "v1.3310", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1810TZ", "v1.3314", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1810T", "v1.3314", 0x55, 0x58, {0x9e, 0x00} },
+ /* Acer 531 */
+ {"Acer", "AO531h", "v0.3104", 0x55, 0x58, {0x20, 0x00} },
+ {"Acer", "AO531h", "v0.3201", 0x55, 0x58, {0x20, 0x00} },
+ {"Acer", "AO531h", "v0.3304", 0x55, 0x58, {0x20, 0x00} },
+ /* Acer 751 */
+ {"Acer", "AO751h", "V0.3212", 0x55, 0x58, {0x21, 0x00} },
+ /* Acer 1825 */
+ {"Acer", "Aspire 1825PTZ", "V1.3118", 0x55, 0x58, {0x9e, 0x00} },
+ {"Acer", "Aspire 1825PTZ", "V1.3127", 0x55, 0x58, {0x9e, 0x00} },
+ /* Acer TravelMate 7730 */
+ {"Acer", "TravelMate 7730G", "v0.3509", 0x55, 0x58, {0xaf, 0x00} },
/* Gateway */
- {"Gateway", "AOA110", "v0.3103", 0x55, 0x58, {0x21, 0x21, 0x00} },
- {"Gateway", "AOA150", "v0.3103", 0x55, 0x58, {0x20, 0x20, 0x00} },
- {"Gateway", "LT31", "v1.3103", 0x55, 0x58, {0x10, 0x0f, 0x00} },
- {"Gateway", "LT31", "v1.3201", 0x55, 0x58, {0x10, 0x0f, 0x00} },
- {"Gateway", "LT31", "v1.3302", 0x55, 0x58, {0x10, 0x0f, 0x00} },
+ {"Gateway", "AOA110", "v0.3103", 0x55, 0x58, {0x21, 0x00} },
+ {"Gateway", "AOA150", "v0.3103", 0x55, 0x58, {0x20, 0x00} },
+ {"Gateway", "LT31", "v1.3103", 0x55, 0x58, {0x9e, 0x00} },
+ {"Gateway", "LT31", "v1.3201", 0x55, 0x58, {0x9e, 0x00} },
+ {"Gateway", "LT31", "v1.3302", 0x55, 0x58, {0x9e, 0x00} },
+ {"Gateway", "LT31", "v1.3303t", 0x55, 0x58, {0x9e, 0x00} },
/* Packard Bell */
- {"Packard Bell", "DOA150", "v0.3104", 0x55, 0x58, {0x21, 0x21, 0x00} },
- {"Packard Bell", "DOA150", "v0.3105", 0x55, 0x58, {0x20, 0x20, 0x00} },
- {"Packard Bell", "AOA110", "v0.3105", 0x55, 0x58, {0x21, 0x21, 0x00} },
- {"Packard Bell", "AOA150", "v0.3105", 0x55, 0x58, {0x20, 0x20, 0x00} },
- {"Packard Bell", "DOTMU", "v1.3303", 0x55, 0x58, {0x9e, 0x9e, 0x00} },
- {"Packard Bell", "DOTMU", "v0.3120", 0x55, 0x58, {0x9e, 0x9e, 0x00} },
+ {"Packard Bell", "DOA150", "v0.3104", 0x55, 0x58, {0x21, 0x00} },
+ {"Packard Bell", "DOA150", "v0.3105", 0x55, 0x58, {0x20, 0x00} },
+ {"Packard Bell", "AOA110", "v0.3105", 0x55, 0x58, {0x21, 0x00} },
+ {"Packard Bell", "AOA150", "v0.3105", 0x55, 0x58, {0x20, 0x00} },
+ {"Packard Bell", "ENBFT", "V1.3118", 0x55, 0x58, {0x9e, 0x00} },
+ {"Packard Bell", "ENBFT", "V1.3127", 0x55, 0x58, {0x9e, 0x00} },
+ {"Packard Bell", "DOTMU", "v1.3303", 0x55, 0x58, {0x9e, 0x00} },
+ {"Packard Bell", "DOTMU", "v0.3120", 0x55, 0x58, {0x9e, 0x00} },
+ {"Packard Bell", "DOTMU", "v0.3108", 0x55, 0x58, {0x9e, 0x00} },
+ {"Packard Bell", "DOTMU", "v0.3113", 0x55, 0x58, {0x9e, 0x00} },
+ {"Packard Bell", "DOTMU", "v0.3115", 0x55, 0x58, {0x9e, 0x00} },
+ {"Packard Bell", "DOTMU", "v0.3117", 0x55, 0x58, {0x9e, 0x00} },
+ {"Packard Bell", "DOTMU", "v0.3119", 0x55, 0x58, {0x9e, 0x00} },
+ {"Packard Bell", "DOTMU", "v1.3204", 0x55, 0x58, {0x9e, 0x00} },
+ {"Packard Bell", "DOTMA", "v1.3201", 0x55, 0x58, {0x9e, 0x00} },
+ {"Packard Bell", "DOTMA", "v1.3302", 0x55, 0x58, {0x9e, 0x00} },
+ {"Packard Bell", "DOTMA", "v1.3303t", 0x55, 0x58, {0x9e, 0x00} },
+ {"Packard Bell", "DOTVR46", "v1.3308", 0x55, 0x58, {0x9e, 0x00} },
/* pewpew-terminator */
- {"", "", "", 0, 0, {0, 0, 0} }
+ {"", "", "", 0, 0, {0, 0} }
};
static const struct bios_settings_t *bios_cfg __read_mostly;
@@ -200,7 +249,7 @@ static int acerhdf_get_fanstate(int *state)
if (ec_read(bios_cfg->fanreg, &fan))
return -EINVAL;
- if (fan != bios_cfg->cmd.chk_off)
+ if (fan != bios_cfg->cmd.cmd_off)
*state = ACERHDF_FAN_AUTO;
else
*state = ACERHDF_FAN_OFF;
@@ -213,12 +262,11 @@ static void acerhdf_change_fanstate(int state)
unsigned char cmd;
if (verbose)
- pr_notice("fan %s\n", (state == ACERHDF_FAN_OFF) ?
- "OFF" : "ON");
+ pr_notice("fan %s\n", state == ACERHDF_FAN_OFF ? "OFF" : "ON");
if ((state != ACERHDF_FAN_OFF) && (state != ACERHDF_FAN_AUTO)) {
pr_err("invalid fan state %d requested, setting to auto!\n",
- state);
+ state);
state = ACERHDF_FAN_AUTO;
}
@@ -233,19 +281,18 @@ static void acerhdf_check_param(struct thermal_zone_device *thermal)
{
if (fanon > ACERHDF_MAX_FANON) {
pr_err("fanon temperature too high, set to %d\n",
- ACERHDF_MAX_FANON);
+ ACERHDF_MAX_FANON);
fanon = ACERHDF_MAX_FANON;
}
if (kernelmode && prev_interval != interval) {
if (interval > ACERHDF_MAX_INTERVAL) {
pr_err("interval too high, set to %d\n",
- ACERHDF_MAX_INTERVAL);
+ ACERHDF_MAX_INTERVAL);
interval = ACERHDF_MAX_INTERVAL;
}
if (verbose)
- pr_notice("interval changed to: %d\n",
- interval);
+ pr_notice("interval changed to: %d\n", interval);
thermal->polling_delay = interval*1000;
prev_interval = interval;
}
@@ -282,7 +329,8 @@ static int acerhdf_bind(struct thermal_zone_device *thermal,
if (cdev != cl_dev)
return 0;
- if (thermal_zone_bind_cooling_device(thermal, 0, cdev)) {
+ if (thermal_zone_bind_cooling_device(thermal, 0, cdev,
+ THERMAL_NO_LIMIT, THERMAL_NO_LIMIT)) {
pr_err("error binding cooling dev\n");
return -EINVAL;
}
@@ -374,7 +422,7 @@ static int acerhdf_get_crit_temp(struct thermal_zone_device *thermal,
}
/* bind callback functions to thermalzone */
-struct thermal_zone_device_ops acerhdf_dev_ops = {
+static struct thermal_zone_device_ops acerhdf_dev_ops = {
.bind = acerhdf_bind,
.unbind = acerhdf_unbind,
.get_temp = acerhdf_get_ec_temp,
@@ -449,7 +497,7 @@ err_out:
}
/* bind fan callbacks to fan device */
-struct thermal_cooling_device_ops acerhdf_cooling_ops = {
+static struct thermal_cooling_device_ops acerhdf_cooling_ops = {
.get_max_state = acerhdf_get_max_state,
.get_cur_state = acerhdf_get_cur_state,
.set_cur_state = acerhdf_set_cur_state,
@@ -467,7 +515,7 @@ static int acerhdf_suspend(struct device *dev)
return 0;
}
-static int __devinit acerhdf_probe(struct platform_device *device)
+static int acerhdf_probe(struct platform_device *device)
{
return 0;
}
@@ -518,6 +566,10 @@ static int acerhdf_check_hardware(void)
version = dmi_get_system_info(DMI_BIOS_VERSION);
product = dmi_get_system_info(DMI_PRODUCT_NAME);
+ if (!vendor || !version || !product) {
+ pr_err("error getting hardware information\n");
+ return -EINVAL;
+ }
pr_info("Acer Aspire One Fan driver, v.%s\n", DRV_VER);
@@ -552,8 +604,8 @@ static int acerhdf_check_hardware(void)
}
if (!bios_cfg) {
- pr_err("unknown (unsupported) BIOS version %s/%s/%s, "
- "please report, aborting!\n", vendor, product, version);
+ pr_err("unknown (unsupported) BIOS version %s/%s/%s, please report, aborting!\n",
+ vendor, product, version);
return -EINVAL;
}
@@ -563,8 +615,7 @@ static int acerhdf_check_hardware(void)
*/
if (!kernelmode) {
pr_notice("Fan control off, to enable do:\n");
- pr_notice("echo -n \"enabled\" > "
- "/sys/class/thermal/thermal_zone0/mode\n");
+ pr_notice("echo -n \"enabled\" > /sys/class/thermal/thermal_zone0/mode\n");
}
return 0;
@@ -579,17 +630,26 @@ static int acerhdf_register_platform(void)
return err;
acerhdf_dev = platform_device_alloc("acerhdf", -1);
- platform_device_add(acerhdf_dev);
+ if (!acerhdf_dev) {
+ err = -ENOMEM;
+ goto err_device_alloc;
+ }
+ err = platform_device_add(acerhdf_dev);
+ if (err)
+ goto err_device_add;
return 0;
+
+err_device_add:
+ platform_device_put(acerhdf_dev);
+err_device_alloc:
+ platform_driver_unregister(&acerhdf_driver);
+ return err;
}
static void acerhdf_unregister_platform(void)
{
- if (!acerhdf_dev)
- return;
-
- platform_device_del(acerhdf_dev);
+ platform_device_unregister(acerhdf_dev);
platform_driver_unregister(&acerhdf_driver);
}
@@ -601,8 +661,8 @@ static int acerhdf_register_thermal(void)
if (IS_ERR(cl_dev))
return -EINVAL;
- thz_dev = thermal_zone_device_register("acerhdf", 1, NULL,
- &acerhdf_dev_ops, 0, 0, 0,
+ thz_dev = thermal_zone_device_register("acerhdf", 1, 0, NULL,
+ &acerhdf_dev_ops, NULL, 0,
(kernelmode) ? interval*1000 : 0);
if (IS_ERR(thz_dev))
return -EINVAL;
@@ -633,7 +693,7 @@ static int __init acerhdf_init(void)
err = acerhdf_register_platform();
if (err)
- goto err_unreg;
+ goto out_err;
err = acerhdf_register_thermal();
if (err)
@@ -646,7 +706,7 @@ err_unreg:
acerhdf_unregister_platform();
out_err:
- return -ENODEV;
+ return err;
}
static void __exit acerhdf_exit(void)
@@ -660,13 +720,20 @@ MODULE_LICENSE("GPL");
MODULE_AUTHOR("Peter Feuerer");
MODULE_DESCRIPTION("Aspire One temperature and fan driver");
MODULE_ALIAS("dmi:*:*Acer*:pnAOA*:");
-MODULE_ALIAS("dmi:*:*Acer*:pnAspire 1410*:");
-MODULE_ALIAS("dmi:*:*Acer*:pnAspire 1810*:");
+MODULE_ALIAS("dmi:*:*Acer*:pnAO751h*:");
+MODULE_ALIAS("dmi:*:*Acer*:pnAspire*1410*:");
+MODULE_ALIAS("dmi:*:*Acer*:pnAspire*1810*:");
+MODULE_ALIAS("dmi:*:*Acer*:pnAspire*1825PTZ:");
+MODULE_ALIAS("dmi:*:*Acer*:pnAO531*:");
+MODULE_ALIAS("dmi:*:*Acer*:TravelMate*7730G:");
MODULE_ALIAS("dmi:*:*Gateway*:pnAOA*:");
MODULE_ALIAS("dmi:*:*Gateway*:pnLT31*:");
-MODULE_ALIAS("dmi:*:*Packard Bell*:pnAOA*:");
-MODULE_ALIAS("dmi:*:*Packard Bell*:pnDOA*:");
-MODULE_ALIAS("dmi:*:*Packard Bell*:pnDOTMU*:");
+MODULE_ALIAS("dmi:*:*Packard*Bell*:pnAOA*:");
+MODULE_ALIAS("dmi:*:*Packard*Bell*:pnDOA*:");
+MODULE_ALIAS("dmi:*:*Packard*Bell*:pnDOTMU*:");
+MODULE_ALIAS("dmi:*:*Packard*Bell*:pnENBFT*:");
+MODULE_ALIAS("dmi:*:*Packard*Bell*:pnDOTMA*:");
+MODULE_ALIAS("dmi:*:*Packard*Bell*:pnDOTVR46*:");
module_init(acerhdf_init);
module_exit(acerhdf_exit);