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[oweals/u-boot.git] / 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);