diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/acpi/Makefile | 2 | ||||
| -rw-r--r-- | drivers/acpi/battery.c | 25 | ||||
| -rw-r--r-- | drivers/acpi/ec.c | 9 | ||||
| -rw-r--r-- | drivers/platform/x86/fujitsu-laptop.c | 25 |
5 files changed, 52 insertions, 16 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index a7799a99f2d..8a851d0f438 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -254,13 +254,6 @@ config ACPI_PCI_SLOT help you correlate PCI bus addresses with the physical geography of your slots. If you are unsure, say N. -config ACPI_SYSTEM - bool - default y - help - This driver will enable your system to shut down using ACPI, and - dump your ACPI DSDT table using /proc/acpi/dsdt. - config X86_PM_TIMER bool "Power Management Timer Support" if EMBEDDED depends on X86 diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index 65d90c720b5..b130ea0d075 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -52,7 +52,7 @@ obj-$(CONFIG_ACPI_PROCESSOR) += processor.o obj-$(CONFIG_ACPI_CONTAINER) += container.o obj-$(CONFIG_ACPI_THERMAL) += thermal.o obj-y += power.o -obj-$(CONFIG_ACPI_SYSTEM) += system.o event.o +obj-y += system.o event.o obj-$(CONFIG_ACPI_DEBUG) += debug.o obj-$(CONFIG_ACPI_NUMA) += numa.o obj-$(CONFIG_ACPI_HOTPLUG_MEMORY) += acpi_memhotplug.o diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 65132f92045..69cbc57c2d1 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -138,6 +138,29 @@ static int acpi_battery_technology(struct acpi_battery *battery) static int acpi_battery_get_state(struct acpi_battery *battery); +static int acpi_battery_is_charged(struct acpi_battery *battery) +{ + /* either charging or discharging */ + if (battery->state != 0) + return 0; + + /* battery not reporting charge */ + if (battery->capacity_now == ACPI_BATTERY_VALUE_UNKNOWN || + battery->capacity_now == 0) + return 0; + + /* good batteries update full_charge as the batteries degrade */ + if (battery->full_charge_capacity == battery->capacity_now) + return 1; + + /* fallback to using design values for broken batteries */ + if (battery->design_capacity == battery->capacity_now) + return 1; + + /* we don't do any sort of metric based on percentages */ + return 0; +} + static int acpi_battery_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) @@ -155,7 +178,7 @@ static int acpi_battery_get_property(struct power_supply *psy, val->intval = POWER_SUPPLY_STATUS_DISCHARGING; else if (battery->state & 0x02) val->intval = POWER_SUPPLY_STATUS_CHARGING; - else if (battery->state == 0) + else if (acpi_battery_is_charged(battery)) val->intval = POWER_SUPPLY_STATUS_FULL; else val->intval = POWER_SUPPLY_STATUS_UNKNOWN; diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 5c2f5d343be..2fe15060dcd 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -120,6 +120,8 @@ static struct acpi_ec { spinlock_t curr_lock; } *boot_ec, *first_ec; +static int EC_FLAGS_MSI; /* Out-of-spec MSI controller */ + /* -------------------------------------------------------------------------- Transaction Management -------------------------------------------------------------------------- */ @@ -259,6 +261,8 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, clear_bit(EC_FLAGS_GPE_MODE, &ec->flags); acpi_disable_gpe(NULL, ec->gpe); } + if (EC_FLAGS_MSI) + udelay(ACPI_EC_DELAY); /* start transaction */ spin_lock_irqsave(&ec->curr_lock, tmp); /* following two actions should be kept atomic */ @@ -967,6 +971,11 @@ int __init acpi_ec_ecdt_probe(void) /* * Generate a boot ec context */ + if (dmi_name_in_vendors("Micro-Star") || + dmi_name_in_vendors("Notebook")) { + pr_info(PREFIX "Enabling special treatment for EC from MSI.\n"); + EC_FLAGS_MSI = 1; + } status = acpi_get_table(ACPI_SIG_ECDT, 1, (struct acpi_table_header **)&ecdt_ptr); if (ACPI_SUCCESS(status)) { diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c index 65dc41540c6..45940f31fe9 100644 --- a/drivers/platform/x86/fujitsu-laptop.c +++ b/drivers/platform/x86/fujitsu-laptop.c @@ -166,6 +166,7 @@ struct fujitsu_hotkey_t { struct platform_device *pf_device; struct kfifo *fifo; spinlock_t fifo_lock; + int rfkill_supported; int rfkill_state; int logolamp_registered; int kblamps_registered; @@ -526,7 +527,7 @@ static ssize_t show_lid_state(struct device *dev, struct device_attribute *attr, char *buf) { - if (fujitsu_hotkey->rfkill_state == UNSUPPORTED_CMD) + if (!(fujitsu_hotkey->rfkill_supported & 0x100)) return sprintf(buf, "unknown\n"); if (fujitsu_hotkey->rfkill_state & 0x100) return sprintf(buf, "open\n"); @@ -538,7 +539,7 @@ static ssize_t show_dock_state(struct device *dev, struct device_attribute *attr, char *buf) { - if (fujitsu_hotkey->rfkill_state == UNSUPPORTED_CMD) + if (!(fujitsu_hotkey->rfkill_supported & 0x200)) return sprintf(buf, "unknown\n"); if (fujitsu_hotkey->rfkill_state & 0x200) return sprintf(buf, "docked\n"); @@ -550,7 +551,7 @@ static ssize_t show_radios_state(struct device *dev, struct device_attribute *attr, char *buf) { - if (fujitsu_hotkey->rfkill_state == UNSUPPORTED_CMD) + if (!(fujitsu_hotkey->rfkill_supported & 0x20)) return sprintf(buf, "unknown\n"); if (fujitsu_hotkey->rfkill_state & 0x20) return sprintf(buf, "on\n"); @@ -928,8 +929,17 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device) ; /* No action, result is discarded */ vdbg_printk(FUJLAPTOP_DBG_INFO, "Discarded %i ringbuffer entries\n", i); - fujitsu_hotkey->rfkill_state = - call_fext_func(FUNC_RFKILL, 0x4, 0x0, 0x0); + fujitsu_hotkey->rfkill_supported = + call_fext_func(FUNC_RFKILL, 0x0, 0x0, 0x0); + + /* Make sure our bitmask of supported functions is cleared if the + RFKILL function block is not implemented, like on the S7020. */ + if (fujitsu_hotkey->rfkill_supported == UNSUPPORTED_CMD) + fujitsu_hotkey->rfkill_supported = 0; + + if (fujitsu_hotkey->rfkill_supported) + fujitsu_hotkey->rfkill_state = + call_fext_func(FUNC_RFKILL, 0x4, 0x0, 0x0); /* Suspect this is a keymap of the application panel, print it */ printk(KERN_INFO "fujitsu-laptop: BTNI: [0x%x]\n", @@ -1005,8 +1015,9 @@ static void acpi_fujitsu_hotkey_notify(acpi_handle handle, u32 event, input = fujitsu_hotkey->input; - fujitsu_hotkey->rfkill_state = - call_fext_func(FUNC_RFKILL, 0x4, 0x0, 0x0); + if (fujitsu_hotkey->rfkill_supported) + fujitsu_hotkey->rfkill_state = + call_fext_func(FUNC_RFKILL, 0x4, 0x0, 0x0); switch (event) { case ACPI_FUJITSU_NOTIFY_CODE1: |