Change in coreboot[master]: IMOK: Add IMOK method support for DPTF

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/54688 )

Change subject: IMOK: Add IMOK method support for DPTF
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IMOK: Add IMOK method support for DPTF

Add IMOK method support for DPTF

BRANCH=None
BUG=b:187797417
TEST=Built and tested on dedede board

Change-Id: I8edfa3bcaa6bde0b9690fcace000cd582dcc81d2
Signed-off-by: Sumeet Pawnikar 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54688
Tested-by: build bot (Jenkins) 
Reviewed-by: Tim Wawrzynczak 
---
M src/drivers/intel/dptf/dptf.c
1 file changed, 10 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Tim Wawrzynczak: Looks good to me, approved

diff --git a/src/drivers/intel/dptf/dptf.c b/src/drivers/intel/dptf/dptf.c
index f9b4dee..24a371d 100644
--- a/src/drivers/intel/dptf/dptf.c
+++ b/src/drivers/intel/dptf/dptf.c
@@ -118,6 +118,15 @@
 }

/* _SB.DPTF */
+static void write_imok(void)
+{
+	acpigen_write_method("IMOK", 1);
+	/* Return (Arg0) */
+	acpigen_emit_byte(RETURN_OP);
+	acpigen_emit_byte(ARG0_OP);
+	acpigen_write_method_end();
+}
+/* _SB.DPTF */
 static void write_oem_variables(const struct drivers_intel_dptf_config *config)
 {
    int i;
@@ -217,6 +226,7 @@
    write_open_dptf_device(dev, platform_info);
    write_fan(config, platform_info);
    write_oem_variables(config);
+	write_imok();
    write_generic_devices(config, platform_info);

acpigen_pop_len(); /* DPTF Device (write_open_dptf_device) */