test/dm/i2s.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright 2018 Google LLC
   4  * Written by Simon Glass <sjg@chromium.org>
   5  */
   6
   7 #include <common.h>
   8 #include <dm.h>
   9 #include <i2s.h>
  10 #include <dm/test.h>
  11 #include <test/ut.h>
  12 #include <asm/test.h>
  13
  14 /* Basic test of the i2s codec uclass */
  15 static int dm_test_i2s(struct unit_test_state *uts)
  16 {
  17         struct udevice *dev;
  18         u8 data[3];
  19
  20         /* check probe success */
  21         ut_assertok(uclass_first_device_err(UCLASS_I2S, &dev));
  22         data[0] = 1;
  23         data[1] = 4;
  24         data[2] = 6;
  25         ut_assertok(i2s_tx_data(dev, data, ARRAY_SIZE(data)));
  26         ut_asserteq(11, sandbox_get_i2s_sum(dev));
  27         ut_assertok(i2s_tx_data(dev, data, 1));
  28         ut_asserteq(12, sandbox_get_i2s_sum(dev));
  29
  30         return 0;
  31 }
  32 DM_TEST(dm_test_i2s, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);