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| author | Simon Glass <sjg@chromium.org> | 2020-09-22 12:44:56 -0600 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2020-09-25 11:27:13 +0800 |
| commit | e0a896b88f2e517b10c67a4f85f3846a0312041d (patch) | |
| tree | 37d262b871bb50c74139da14c8f2844661883789 /include/acpi | |
| parent | 99e555a79ab882eb8b38886fa5dab053d4d64bfa (diff) | |
| download | u-boot-e0a896b88f2e517b10c67a4f85f3846a0312041d.tar.gz u-boot-e0a896b88f2e517b10c67a4f85f3846a0312041d.tar.bz2 u-boot-e0a896b88f2e517b10c67a4f85f3846a0312041d.zip | |
acpi: Add support for writing a _PRW
A 'Power Resource for Wake' list the resources a device depends on for
wake. Add a function to generate this.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/acpi')
| -rw-r--r-- | include/acpi/acpigen.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/acpi/acpigen.h b/include/acpi/acpigen.h index 228ac9c404..a9b70123c0 100644 --- a/include/acpi/acpigen.h +++ b/include/acpi/acpigen.h @@ -563,4 +563,14 @@ int acpigen_set_enable_tx_gpio(struct acpi_ctx *ctx, u32 tx_state_val, const char *dw0_read, const char *dw0_write, struct acpi_gpio *gpio, bool enable); +/** + * acpigen_write_prw() - Write a power resource for wake (_PRW) + * + * @ctx: ACPI context pointer + * @wake: GPE that wakes up the device + * @level: Deepest power system sleeping state that can be entered while still + * providing wake functionality + */ +void acpigen_write_prw(struct acpi_ctx *ctx, uint wake, uint level); + #endif |