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Diffstat (limited to 'tests/qtest/max34451-test.c')
-rw-r--r--tests/qtest/max34451-test.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/tests/qtest/max34451-test.c b/tests/qtest/max34451-test.c
index 0c98d0764c..dbf6ddc829 100644
--- a/tests/qtest/max34451-test.c
+++ b/tests/qtest/max34451-test.c
@@ -18,6 +18,7 @@
 #define TEST_ID "max34451-test"
 #define TEST_ADDR (0x4e)
 
+#define MAX34451_MFR_MODE               0xD1
 #define MAX34451_MFR_VOUT_PEAK          0xD4
 #define MAX34451_MFR_IOUT_PEAK          0xD5
 #define MAX34451_MFR_TEMPERATURE_PEAK   0xD6
@@ -315,6 +316,28 @@ static void test_ot_faults(void *obj, void *data, QGuestAllocator *alloc)
     }
 }
 
+#define RAND_ON_OFF_CONFIG  0x12
+#define RAND_MFR_MODE       0x3456
+
+/* test writes to all pages */
+static void test_all_pages(void *obj, void *data, QGuestAllocator *alloc)
+{
+    uint16_t i2c_value;
+    QI2CDevice *i2cdev = (QI2CDevice *)obj;
+
+    i2c_set8(i2cdev, PMBUS_PAGE, PB_ALL_PAGES);
+    i2c_set8(i2cdev, PMBUS_ON_OFF_CONFIG, RAND_ON_OFF_CONFIG);
+    max34451_i2c_set16(i2cdev, MAX34451_MFR_MODE, RAND_MFR_MODE);
+
+    for (int i = 0; i < MAX34451_NUM_TEMP_DEVICES + MAX34451_NUM_PWR_DEVICES;
+         i++) {
+        i2c_value = i2c_get8(i2cdev, PMBUS_ON_OFF_CONFIG);
+        g_assert_cmphex(i2c_value, ==, RAND_ON_OFF_CONFIG);
+        i2c_value = max34451_i2c_get16(i2cdev, MAX34451_MFR_MODE);
+        g_assert_cmphex(i2c_value, ==, RAND_MFR_MODE);
+    }
+}
+
 static void max34451_register_nodes(void)
 {
     QOSGraphEdgeOptions opts = {
@@ -332,5 +355,6 @@ static void max34451_register_nodes(void)
     qos_add_test("test_ro_regs", "max34451", test_ro_regs, NULL);
     qos_add_test("test_ov_faults", "max34451", test_ov_faults, NULL);
     qos_add_test("test_ot_faults", "max34451", test_ot_faults, NULL);
+    qos_add_test("test_all_pages", "max34451", test_all_pages, NULL);
 }
 libqos_init(max34451_register_nodes);