Recognize the Pegatron Lucid tablet devices (which share the same
"\_SB.ATKD" namespace) by the result of their INIT method and the
presence of some specific methods.
Signed-off-by: Andy Ross <andy.ross@xxxxxxxxxxxxx>
---
drivers/platform/x86/asus-laptop.c | 25 ++++++++++++++++++++++++-
1 files changed, 24 insertions(+), 1 deletions(-)
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index d235f44..6f542af 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -4,6 +4,7 @@
*
* Copyright (C) 2002-2005 Julien Lerouge, 2003-2006 Karol Kozimor
* Copyright (C) 2006-2007 Corentin Chary
+ * Copyright (C) 2011 Wind River Systems
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -210,6 +211,18 @@ static char *display_get_paths[] = {
#define METHOD_KBD_LIGHT_SET "SLKB"
#define METHOD_KBD_LIGHT_GET "GLKB"
+/* For Pegatron Lucid tablet */
+#define DEVICE_NAME_PEGA "Lucid"
+
+#define METHOD_PEGA_ENABLE "ENPR"
+#define METHOD_PEGA_DISABLE "DAPR"
+#define PEGA_ALS 0x04
+#define PEGA_ALS_POWER 0x05
+
+#define METHOD_PEGA_READ "RDLN"
+#define PEGA_READ_ALS_H 0x02
+#define PEGA_READ_ALS_L 0x03
+
/*
* Define a specific led structure to keep the main structure clean
*/
@@ -246,6 +259,7 @@ struct asus_laptop {
int wireless_status;
bool have_rsts;
+ bool have_pega_lucid;
int lcd_state;
struct rfkill *gps_rfkill;
@@ -361,6 +375,14 @@ static int acpi_check_handle(acpi_handle handle, const char *method,
return 0;
}
+static bool asus_check_pega_lucid(struct asus_laptop *asus)
+{
+ return !strcmp(asus->name, DEVICE_NAME_PEGA) &&
+ !acpi_check_handle(asus->handle, METHOD_PEGA_ENABLE, NULL) &&
+ !acpi_check_handle(asus->handle, METHOD_PEGA_DISABLE, NULL) &&
+ !acpi_check_handle(asus->handle, METHOD_PEGA_READ, NULL);
+}
+
/* Generic LED function */
static int asus_led_set(struct asus_laptop *asus, const char *method,
int value)
@@ -1334,7 +1356,6 @@ static mode_t asus_sysfs_is_visible(struct kobject *kobj,
attr == &dev_attr_ls_level.attr) {
supported = !acpi_check_handle(handle, METHOD_ALS_CONTROL, NULL) &&
!acpi_check_handle(handle, METHOD_ALS_LEVEL, NULL);
-
} else if (attr == &dev_attr_gps.attr) {
supported = !acpi_check_handle(handle, METHOD_GPS_ON, NULL) &&
!acpi_check_handle(handle, METHOD_GPS_OFF, NULL) &&
@@ -1605,6 +1626,8 @@ static int __devinit asus_acpi_add(struct acpi_device *device)
if (result)
goto fail_rfkill;
+ asus->have_pega_lucid = asus_check_pega_lucid(asus);
+
asus_device_present = true;
return 0;
--
1.7.1
--
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