diff options
Diffstat (limited to 'arch/x86/include/asm/acpi_s3.h')
-rw-r--r-- | arch/x86/include/asm/acpi_s3.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86/include/asm/acpi_s3.h b/arch/x86/include/asm/acpi_s3.h index 78c53ea2fb..ec052112f3 100644 --- a/arch/x86/include/asm/acpi_s3.h +++ b/arch/x86/include/asm/acpi_s3.h @@ -61,4 +61,22 @@ static inline enum acpi_sleep_state acpi_sleep_from_pm1(u32 pm1_cnt) return -EINVAL; } +/** + * chipset_prev_sleep_state() - Get chipset previous sleep state + * + * This returns chipset previous sleep state from ACPI registers. + * Platform codes must supply this routine in order to support ACPI S3. + * + * @return ACPI_S0/S1/S2/S3/S4/S5. + */ +enum acpi_sleep_state chipset_prev_sleep_state(void); + +/** + * chipset_clear_sleep_state() - Clear chipset sleep state + * + * This clears chipset sleep state in ACPI registers. + * Platform codes must supply this routine in order to support ACPI S3. + */ +void chipset_clear_sleep_state(void); + #endif /* __ASM_ACPI_S3_H__ */ |