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Mon, 01 Apr 2024 05:02:14 -0500 (CDT) Received: from ediex01.ad.cirrus.com (198.61.84.80) by ediex02.ad.cirrus.com (198.61.84.81) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Mon, 1 Apr 2024 11:02:10 +0100 Received: from ediswmail9.ad.cirrus.com (198.61.86.93) by ediex01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9 via Frontend Transport; Mon, 1 Apr 2024 11:02:10 +0100 Received: from ediswws06.ad.cirrus.com (ediswws06.ad.cirrus.com [198.90.208.18]) by ediswmail9.ad.cirrus.com (Postfix) with ESMTP id 43DD7820271; Mon, 1 Apr 2024 10:02:10 +0000 (UTC) From: Richard Fitzgerald To: , CC: , , , , "Richard Fitzgerald" Subject: [PATCH v2 3/3] ASoC: soc-card: Add KUnit test case for snd_soc_card_get_kcontrol Date: Mon, 1 Apr 2024 10:02:10 +0000 Message-ID: <20240401100210.61277-4-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240401100210.61277-1-rf@opensource.cirrus.com> References: <20240401100210.61277-1-rf@opensource.cirrus.com> MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: UmITU5UMEQXXuzPm6VTxcYNBRm-NEamv X-Proofpoint-GUID: UmITU5UMEQXXuzPm6VTxcYNBRm-NEamv X-Proofpoint-Spam-Reason: safe Message-ID-Hash: OO7Y5LIY46DD3MYKK4MDQJNRQGIAV4FR X-Message-ID-Hash: OO7Y5LIY46DD3MYKK4MDQJNRQGIAV4FR X-MailFrom: prvs=1821bd3749=rf@opensource.cirrus.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.9 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Add a new snd-soc-card KUnit test with a simple test case for snd_soc_card_get_kcontrol() and snd_soc_card_get_kcontrol_locked(). Signed-off-by: Richard Fitzgerald --- sound/soc/Kconfig | 8 ++ sound/soc/Makefile | 4 + sound/soc/soc-card-test.c | 184 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 196 insertions(+) create mode 100644 sound/soc/soc-card-test.c diff --git a/sound/soc/Kconfig b/sound/soc/Kconfig index 439fa631c342..a52afb423b46 100644 --- a/sound/soc/Kconfig +++ b/sound/soc/Kconfig @@ -66,6 +66,14 @@ config SND_SOC_TOPOLOGY_KUNIT_TEST userspace applications such as pulseaudio, to prevent unnecessary problems. +config SND_SOC_CARD_KUNIT_TEST + tristate "KUnit tests for SoC card" + depends on KUNIT + default KUNIT_ALL_TESTS + help + If you want to perform tests on ALSA SoC card functions say Y here. + If unsure, say N. + config SND_SOC_UTILS_KUNIT_TEST tristate "KUnit tests for SoC utils" depends on KUNIT diff --git a/sound/soc/Makefile b/sound/soc/Makefile index 8376fdb217ed..f90f5300b36e 100644 --- a/sound/soc/Makefile +++ b/sound/soc/Makefile @@ -12,6 +12,10 @@ ifneq ($(CONFIG_SND_SOC_TOPOLOGY_KUNIT_TEST),) obj-$(CONFIG_SND_SOC_TOPOLOGY_KUNIT_TEST) += soc-topology-test.o endif +ifneq ($(CONFIG_SND_SOC_CARD_KUNIT_TEST),) +obj-$(CONFIG_SND_SOC_CARD_KUNIT_TEST) += soc-card-test.o +endif + ifneq ($(CONFIG_SND_SOC_UTILS_KUNIT_TEST),) # snd-soc-test-objs := soc-utils-test.o obj-$(CONFIG_SND_SOC_UTILS_KUNIT_TEST) += soc-utils-test.o diff --git a/sound/soc/soc-card-test.c b/sound/soc/soc-card-test.c new file mode 100644 index 000000000000..075c52fe82e5 --- /dev/null +++ b/sound/soc/soc-card-test.c @@ -0,0 +1,184 @@ +// SPDX-License-Identifier: GPL-2.0-only +// Copyright (C) 2024 Cirrus Logic, Inc. and +// Cirrus Logic International Semiconductor Ltd. + +#include +#include +#include +#include +#include +#include + +struct soc_card_test_priv { + struct device *card_dev; + struct snd_soc_card *card; +}; + +static const struct snd_kcontrol_new test_card_controls[] = { + SOC_SINGLE("Fee", SND_SOC_NOPM, 0, 1, 0), + SOC_SINGLE("Fi", SND_SOC_NOPM, 1, 1, 0), + SOC_SINGLE("Fo", SND_SOC_NOPM, 2, 1, 0), + SOC_SINGLE("Fum", SND_SOC_NOPM, 3, 1, 0), + SOC_SINGLE("Left Fee", SND_SOC_NOPM, 4, 1, 0), + SOC_SINGLE("Right Fee", SND_SOC_NOPM, 5, 1, 0), + SOC_SINGLE("Left Fi", SND_SOC_NOPM, 6, 1, 0), + SOC_SINGLE("Right Fi", SND_SOC_NOPM, 7, 1, 0), + SOC_SINGLE("Left Fo", SND_SOC_NOPM, 8, 1, 0), + SOC_SINGLE("Right Fo", SND_SOC_NOPM, 9, 1, 0), + SOC_SINGLE("Left Fum", SND_SOC_NOPM, 10, 1, 0), + SOC_SINGLE("Right Fum", SND_SOC_NOPM, 11, 1, 0), +}; + +static void test_snd_soc_card_get_kcontrol(struct kunit *test) +{ + struct soc_card_test_priv *priv = test->priv; + struct snd_soc_card *card = priv->card; + struct snd_kcontrol *kc; + struct soc_mixer_control *mc; + int i, ret; + + ret = snd_soc_add_card_controls(card, test_card_controls, ARRAY_SIZE(test_card_controls)); + KUNIT_ASSERT_EQ(test, ret, 0); + + /* Look up every control */ + for (i = 0; i < ARRAY_SIZE(test_card_controls); ++i) { + kc = snd_soc_card_get_kcontrol(card, test_card_controls[i].name); + KUNIT_EXPECT_NOT_ERR_OR_NULL_MSG(test, kc, "Failed to find '%s'\n", + test_card_controls[i].name); + if (!kc) + continue; + + /* Test that it is the correct control */ + mc = (struct soc_mixer_control *)kc->private_value; + KUNIT_EXPECT_EQ_MSG(test, mc->shift, i, "For '%s'\n", test_card_controls[i].name); + } + + /* Test some names that should not be found */ + kc = snd_soc_card_get_kcontrol(card, "None"); + KUNIT_EXPECT_NULL(test, kc); + + kc = snd_soc_card_get_kcontrol(card, "Left None"); + KUNIT_EXPECT_NULL(test, kc); + + kc = snd_soc_card_get_kcontrol(card, "Left"); + KUNIT_EXPECT_NULL(test, kc); + + kc = snd_soc_card_get_kcontrol(card, NULL); + KUNIT_EXPECT_NULL(test, kc); +} + +static void test_snd_soc_card_get_kcontrol_locked(struct kunit *test) +{ + struct soc_card_test_priv *priv = test->priv; + struct snd_soc_card *card = priv->card; + struct snd_kcontrol *kc, *kcw; + struct soc_mixer_control *mc; + int i, ret; + + ret = snd_soc_add_card_controls(card, test_card_controls, ARRAY_SIZE(test_card_controls)); + KUNIT_ASSERT_EQ(test, ret, 0); + + /* Look up every control */ + for (i = 0; i < ARRAY_SIZE(test_card_controls); ++i) { + down_read(&card->snd_card->controls_rwsem); + kc = snd_soc_card_get_kcontrol_locked(card, test_card_controls[i].name); + up_read(&card->snd_card->controls_rwsem); + KUNIT_EXPECT_NOT_ERR_OR_NULL_MSG(test, kc, "Failed to find '%s'\n", + test_card_controls[i].name); + if (!kc) + continue; + + /* Test that it is the correct control */ + mc = (struct soc_mixer_control *)kc->private_value; + KUNIT_EXPECT_EQ_MSG(test, mc->shift, i, "For '%s'\n", test_card_controls[i].name); + + down_write(&card->snd_card->controls_rwsem); + kcw = snd_soc_card_get_kcontrol_locked(card, test_card_controls[i].name); + up_write(&card->snd_card->controls_rwsem); + KUNIT_EXPECT_NOT_ERR_OR_NULL_MSG(test, kcw, "Failed to find '%s'\n", + test_card_controls[i].name); + + KUNIT_EXPECT_PTR_EQ(test, kc, kcw); + } + + /* Test some names that should not be found */ + down_read(&card->snd_card->controls_rwsem); + kc = snd_soc_card_get_kcontrol_locked(card, "None"); + up_read(&card->snd_card->controls_rwsem); + KUNIT_EXPECT_NULL(test, kc); + + down_read(&card->snd_card->controls_rwsem); + kc = snd_soc_card_get_kcontrol_locked(card, "Left None"); + up_read(&card->snd_card->controls_rwsem); + KUNIT_EXPECT_NULL(test, kc); + + down_read(&card->snd_card->controls_rwsem); + kc = snd_soc_card_get_kcontrol_locked(card, "Left"); + up_read(&card->snd_card->controls_rwsem); + KUNIT_EXPECT_NULL(test, kc); + + down_read(&card->snd_card->controls_rwsem); + kc = snd_soc_card_get_kcontrol_locked(card, NULL); + up_read(&card->snd_card->controls_rwsem); + KUNIT_EXPECT_NULL(test, kc); +} + +static int soc_card_test_case_init(struct kunit *test) +{ + struct soc_card_test_priv *priv; + int ret; + + priv = kunit_kzalloc(test, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + test->priv = priv; + + priv->card_dev = kunit_device_register(test, "sound-soc-card-test"); + priv->card_dev = get_device(priv->card_dev); + if (!priv->card_dev) + return -ENODEV; + + priv->card = kunit_kzalloc(test, sizeof(*priv->card), GFP_KERNEL); + if (!priv->card) + return -ENOMEM; + + priv->card->name = "soc-card-test"; + priv->card->dev = priv->card_dev; + priv->card->owner = THIS_MODULE; + + ret = snd_soc_register_card(priv->card); + if (!ret) + return ret; + + return 0; +} + +static void soc_card_test_case_exit(struct kunit *test) +{ + struct soc_card_test_priv *priv = test->priv; + + if (priv->card) + snd_soc_unregister_card(priv->card); + + if (priv->card_dev) + put_device(priv->card_dev); +} + +static struct kunit_case soc_card_test_cases[] = { + KUNIT_CASE(test_snd_soc_card_get_kcontrol), + KUNIT_CASE(test_snd_soc_card_get_kcontrol_locked), + {} +}; + +static struct kunit_suite soc_card_test_suite = { + .name = "soc-card", + .test_cases = soc_card_test_cases, + .init = soc_card_test_case_init, + .exit = soc_card_test_case_exit, +}; + +kunit_test_suites(&soc_card_test_suite); + +MODULE_DESCRIPTION("ASoC soc-card KUnit test"); +MODULE_LICENSE("GPL");