u-boot/test/dm/audio.c
Simon Glass ce6d99a056 dm: sound: Create a uclass for audio codecs
An audio codec provides a way to convert digital data to sound and vice
versa. Add a simple uclass which just supports setting the parameters for
the codec.

Signed-off-by: Simon Glass <sjg@chromium.org>
2018-12-13 16:32:49 -07:00

34 lines
899 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2018 Google LLC
* Written by Simon Glass <sjg@chromium.org>
*/
#include <common.h>
#include <audio_codec.h>
#include <dm.h>
#include <dm/test.h>
#include <test/ut.h>
#include <asm/test.h>
/* Basic test of the audio codec uclass */
static int dm_test_audio(struct unit_test_state *uts)
{
int interface, rate, mclk_freq, bits_per_sample;
struct udevice *dev;
uint channels;
/* check probe success */
ut_assertok(uclass_first_device_err(UCLASS_AUDIO_CODEC, &dev));
ut_assertok(audio_codec_set_params(dev, 1, 2, 3, 4, 5));
sandbox_get_codec_params(dev, &interface, &rate, &mclk_freq,
&bits_per_sample, &channels);
ut_asserteq(1, interface);
ut_asserteq(2, rate);
ut_asserteq(3, mclk_freq);
ut_asserteq(4, bits_per_sample);
ut_asserteq(5, channels);
return 0;
}
DM_TEST(dm_test_audio, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);