From 8819de7f988289111cf4c44946f0d8c008b2d9a7 Mon Sep 17 00:00:00 2001 From: Andy Ross Date: Fri, 14 Oct 2011 11:13:35 +0200 Subject: [PATCH] asus-laptop: Platform detection for Pegatron Lucid Recognize the Pegatron Lucid tablets by their method signatures. Signed-off-by: Andy Ross Signed-off-by: Corentin Chary Signed-off-by: Matthew Garrett --- drivers/platform/x86/Kconfig | 16 +++++++++------- drivers/platform/x86/asus-laptop.c | 23 ++++++++++++++++++++--- 2 files changed, 29 insertions(+), 10 deletions(-) diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index 1e88d478532..4e5623e4fa0 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -64,15 +64,17 @@ config ASUS_LAPTOP depends on INPUT depends on RFKILL || RFKILL = n select INPUT_SPARSEKMAP + select INPUT_POLLDEV ---help--- - This is the new Linux driver for Asus laptops. It may also support some - MEDION, JVC or VICTOR laptops. It makes all the extra buttons generate - standard ACPI events and input events. It also adds - support for video output switching, LCD backlight control, Bluetooth and - Wlan control, and most importantly, allows you to blink those fancy LEDs. + This is a driver for Asus laptops, Lenovo SL and the Pegatron + Lucid tablet. It may also support some MEDION, JVC or VICTOR + laptops. It makes all the extra buttons generate standard + ACPI events and input events. It also adds support for video + output switching, LCD backlight control, Bluetooth and Wlan + control, and most importantly, allows you to blink those + fancy LEDs. - For more information and a userspace daemon for handling the extra - buttons see . + For more information see . If you have an ACPI-compatible ASUS laptop, say Y or M here. diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index fa6d7ec68b2..c08f4c26b98 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 @@ -48,6 +49,7 @@ #include #include #include +#include #include #include #include @@ -173,6 +175,12 @@ MODULE_PARM_DESC(wwan_status, "Set the wireless status on boot " #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 METHOD_PEGA_READ "RDLN" + /* * Define a specific led structure to keep the main structure clean */ @@ -209,6 +217,7 @@ struct asus_laptop { int wireless_status; bool have_rsts; + bool is_pega_lucid; struct rfkill *gps_rfkill; @@ -323,6 +332,14 @@ 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) @@ -1203,7 +1220,6 @@ 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) && @@ -1439,9 +1455,10 @@ static int __devinit asus_acpi_add(struct acpi_device *device) goto fail_platform; /* - * Register the platform device first. It is used as a parent for the - * sub-devices below. + * Need platform type detection first, then the platform + * device. It is used as a parent for the sub-devices below. */ + asus->is_pega_lucid = asus_check_pega_lucid(asus); result = asus_platform_init(asus); if (result) goto fail_platform; -- 2.39.2