[S] Change in coreboot[main]: ec/google/chromeec: Add is_battery_present()

[Karthik Ramasubramanian (Code Review)]

Karthik Ramasubramanian has submitted this change. ( https://review.coreboot.org/c/coreboot/+/83735?usp=email )

Change subject: ec/google/chromeec: Add is_battery_present()
......................................................................

ec/google/chromeec: Add is_battery_present()

This patch adds is_battery_present() to check if the
battery is physically present

BUG=b:335046538,b:329722827
TEST=Build Brox and check is_battery_present
returns the correct battery status.

Change-Id: Ie49ed8f6d8b0fa59ec0e7b06efea9cac4d253957
Signed-off-by: Sowmya Aralguppe 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83735
Reviewed-by: Caveh Jalali 
Tested-by: build bot (Jenkins) 
Reviewed-by: Karthik Ramasubramanian 
---
M src/ec/google/chromeec/ec.c
M src/ec/google/chromeec/ec.h
2 files changed, 24 insertions(+), 0 deletions(-)

Approvals:
  Caveh Jalali: Looks good to me, approved
  Karthik Ramasubramanian: Looks good to me, approved
  build bot (Jenkins): Verified

diff --git a/src/ec/google/chromeec/ec.c b/src/ec/google/chromeec/ec.c
index 088f2fe..2ef2ea9 100644
--- a/src/ec/google/chromeec/ec.c
+++ b/src/ec/google/chromeec/ec.c
@@ -1566,3 +1566,19 @@

return false;
 }
+
+bool google_chromeec_is_battery_present(void)
+{
+	struct ec_params_battery_dynamic_info params = {
+		.index = 0,
+	};
+	struct ec_response_battery_dynamic_info resp;
+
+	if (ec_cmd_battery_get_dynamic(PLAT_EC, &params, &resp) == 0) {
+		/* Check if battery is present */
+		if (resp.flags & EC_BATT_FLAG_BATT_PRESENT)
+			return true;
+	}
+
+	return false;
+}
diff --git a/src/ec/google/chromeec/ec.h b/src/ec/google/chromeec/ec.h
index 0062df6..20b508c 100644
--- a/src/ec/google/chromeec/ec.h
+++ b/src/ec/google/chromeec/ec.h
@@ -425,6 +425,14 @@
 bool google_chromeec_is_battery_present_and_above_critical_threshold(void);

/**
+ * Check if battery is present.
+ *
+ * @return		true: if the battery is present
+ *			false: if the battery is not present
+ */
+bool google_chromeec_is_battery_present(void);
+
+/**
  * Determine if the UCSI stack is currently active.
  *
  * @return true if EC implements the UCSI stack