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authorSimon Glass <sjg@chromium.org>2020-07-07 13:11:53 -0600
committerBin Meng <bmeng.cn@gmail.com>2020-07-17 14:32:24 +0800
commit3df33bda5c92a1a8b46b83ac9521fcf48a2fe50f (patch)
tree78e664ab09c487162a300f1add9b7a424271a7db /include/acpi
parent83b2bd5a74a4a07a738ba039afc3028d8df2f97d (diff)
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acpi: Support writing a string
ACPI supports storing a simple null-terminated string. Add support for this. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'include/acpi')
-rw-r--r--include/acpi/acpigen.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/acpi/acpigen.h b/include/acpi/acpigen.h
index 9e52ec5..14b9620 100644
--- a/include/acpi/acpigen.h
+++ b/include/acpi/acpigen.h
@@ -24,6 +24,7 @@ enum {
BYTE_PREFIX = 0x0a,
WORD_PREFIX = 0x0b,
DWORD_PREFIX = 0x0c,
+ STRING_PREFIX = 0x0d,
QWORD_PREFIX = 0x0e,
PACKAGE_OP = 0x12,
};
@@ -155,4 +156,13 @@ char *acpigen_write_package(struct acpi_ctx *ctx, int nr_el);
*/
void acpigen_write_integer(struct acpi_ctx *ctx, u64 data);
+/**
+ * acpigen_write_string() - Write a string
+ *
+ * This writes a STRING_PREFIX followed by a null-terminated string
+ *
+ * @ctx: ACPI context pointer
+ * @str: String to write
+ */
+void acpigen_write_string(struct acpi_ctx *ctx, const char *str);
#endif