diff options
Diffstat (limited to 'drivers/acpi/sleep.c')
| -rw-r--r-- | drivers/acpi/sleep.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 4754ff6e70e..721d93b3cee 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -25,7 +25,9 @@ #include "internal.h" #include "sleep.h" -u8 sleep_states[ACPI_S_STATE_COUNT]; +static u8 sleep_states[ACPI_S_STATE_COUNT]; + +static u32 acpi_target_sleep_state = ACPI_STATE_S0; static void acpi_sleep_tts_switch(u32 acpi_state) { @@ -79,8 +81,6 @@ static int acpi_sleep_prepare(u32 acpi_state) } #ifdef CONFIG_ACPI_SLEEP -static u32 acpi_target_sleep_state = ACPI_STATE_S0; - /* * The ACPI specification wants us to save NVS memory regions during hibernation * and to restore them during the subsequent resume. Windows does that also for @@ -419,6 +419,14 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Everex StepNote Series"), }, }, + { + .callback = init_nvs_nosave, + .ident = "Sony Vaio VPCEB1Z1E", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VPCEB1Z1E"), + }, + }, {}, }; #endif /* CONFIG_SUSPEND */ @@ -562,7 +570,7 @@ int acpi_suspend(u32 acpi_state) return -EINVAL; } -#ifdef CONFIG_PM_SLEEP +#ifdef CONFIG_PM_OPS /** * acpi_pm_device_sleep_state - return preferred power state of ACPI device * in the system sleep state given by %acpi_target_sleep_state @@ -624,7 +632,7 @@ int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p) * can wake the system. _S0W may be valid, too. */ if (acpi_target_sleep_state == ACPI_STATE_S0 || - (device_may_wakeup(dev) && adev->wakeup.state.enabled && + (device_may_wakeup(dev) && adev->wakeup.sleep_state <= acpi_target_sleep_state)) { acpi_status status; @@ -632,7 +640,9 @@ int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p) status = acpi_evaluate_integer(handle, acpi_method, NULL, &d_max); if (ACPI_FAILURE(status)) { - d_max = d_min; + if (acpi_target_sleep_state != ACPI_STATE_S0 || + status != AE_NOT_FOUND) + d_max = d_min; } else if (d_max < d_min) { /* Warn the user of the broken DSDT */ printk(KERN_WARNING "ACPI: Wrong value from %s\n", @@ -646,7 +656,9 @@ int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p) *d_min_p = d_min; return d_max; } +#endif /* CONFIG_PM_OPS */ +#ifdef CONFIG_PM_SLEEP /** * acpi_pm_device_sleep_wake - enable or disable the system wake-up * capability of given device @@ -677,7 +689,7 @@ int acpi_pm_device_sleep_wake(struct device *dev, bool enable) return error; } -#endif +#endif /* CONFIG_PM_SLEEP */ static void acpi_power_off_prepare(void) { @@ -702,7 +714,7 @@ static void acpi_power_off(void) * paths through the BIOS, so disable _GTS and _BFS by default, * but do speak up and offer the option to enable them. */ -void __init acpi_gts_bfs_check(void) +static void __init acpi_gts_bfs_check(void) { acpi_handle dummy; |