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The sound driver pulls together the audio codec and i2s drivers in order to actually make sounds. It supports setup() and play() methods. The sound_find_codec_i2s() function allows locating the linked codec and i2s devices. They can be referred to from uclass-private data. Add a uclass and a test for sound. Signed-off-by: Simon Glass <sjg@chromium.org>
35 lines
918 B
C
35 lines
918 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2018 Google LLC
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* Written by Simon Glass <sjg@chromium.org>
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*/
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#include <common.h>
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#include <dm.h>
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#include <sound.h>
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#include <dm/test.h>
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#include <test/ut.h>
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#include <asm/test.h>
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/* Basic test of the sound codec uclass */
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static int dm_test_sound(struct unit_test_state *uts)
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{
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struct sound_uc_priv *uc_priv;
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struct udevice *dev;
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/* check probe success */
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ut_assertok(uclass_first_device_err(UCLASS_SOUND, &dev));
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uc_priv = dev_get_uclass_priv(dev);
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ut_asserteq_str("audio-codec", uc_priv->codec->name);
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ut_asserteq_str("i2s", uc_priv->i2s->name);
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ut_asserteq(0, sandbox_get_setup_called(dev));
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ut_assertok(sound_beep(dev, 1, 100));
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ut_asserteq(4560, sandbox_get_sound_sum(dev));
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ut_assertok(sound_beep(dev, 1, 100));
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ut_asserteq(9120, sandbox_get_sound_sum(dev));
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return 0;
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}
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DM_TEST(dm_test_sound, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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