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ASoC: cs35l56: Add KUnit testing of cs35l56_set_fw_suffix()
Add a new KUnit test for testing the creation of firmware name qualifiers in the cs35l56 driver. The initial set of test cases are for cs35l56_set_fw_suffix(). Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com> Link: https://patch.msgid.link/20260121132243.1256019-6-rf@opensource.cirrus.com Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Richard Fitzgerald
Mark Brown
parent
3f086a4f27
commit
d0ab899511
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@ -933,6 +933,19 @@ config SND_SOC_CS35L56_CAL_SET_CTRL
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On most platforms this is not needed.
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If unsure select "N".
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config SND_SOC_CS35L56_TEST
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tristate "KUnit test for Cirrus Logic cs35l56 driver" if !KUNIT_ALL_TESTS
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depends on SND_SOC_CS35L56 && KUNIT
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default KUNIT_ALL_TESTS
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select SND_SOC_CS_AMP_LIB_TEST_HOOKS
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help
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This builds KUnit tests for the Cirrus Logic cs35l56
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codec driver.
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For more information on KUnit and unit tests in general,
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please refer to the KUnit documentation in
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Documentation/dev-tools/kunit/.
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If in doubt, say "N".
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endmenu
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config SND_SOC_CS40L50
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@ -81,6 +81,7 @@ snd-soc-cs35l56-shared-y := cs35l56-shared.o
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snd-soc-cs35l56-i2c-y := cs35l56-i2c.o
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snd-soc-cs35l56-spi-y := cs35l56-spi.o
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snd-soc-cs35l56-sdw-y := cs35l56-sdw.o
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snd-soc-cs35l56-test-y := cs35l56-test.o
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snd-soc-cs40l50-y := cs40l50-codec.o
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snd-soc-cs42l42-y := cs42l42.o
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snd-soc-cs42l42-i2c-y := cs42l42-i2c.o
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@ -516,6 +517,7 @@ obj-$(CONFIG_SND_SOC_CS35L56_SHARED) += snd-soc-cs35l56-shared.o
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obj-$(CONFIG_SND_SOC_CS35L56_I2C) += snd-soc-cs35l56-i2c.o
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obj-$(CONFIG_SND_SOC_CS35L56_SPI) += snd-soc-cs35l56-spi.o
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obj-$(CONFIG_SND_SOC_CS35L56_SDW) += snd-soc-cs35l56-sdw.o
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obj-$(CONFIG_SND_SOC_CS35L56_TEST) += snd-soc-cs35l56-test.o
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obj-$(CONFIG_SND_SOC_CS40L50) += snd-soc-cs40l50.o
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obj-$(CONFIG_SND_SOC_CS42L42_CORE) += snd-soc-cs42l42.o
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obj-$(CONFIG_SND_SOC_CS42L42) += snd-soc-cs42l42-i2c.o
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@ -806,6 +806,9 @@ const char *cs_amp_devm_get_vendor_specific_variant_id(struct device *dev,
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int ssid_vendor,
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int ssid_device)
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{
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KUNIT_STATIC_STUB_REDIRECT(cs_amp_devm_get_vendor_specific_variant_id,
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dev, ssid_vendor, ssid_device);
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if ((ssid_vendor == PCI_VENDOR_ID_DELL) || (ssid_vendor < 0))
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return cs_amp_devm_get_dell_ssidex(dev, ssid_vendor, ssid_device);
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365
sound/soc/codecs/cs35l56-test.c
Normal file
365
sound/soc/codecs/cs35l56-test.c
Normal file
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@ -0,0 +1,365 @@
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// SPDX-License-Identifier: GPL-2.0-only
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//
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// KUnit test for the Cirrus Logic cs35l56 driver.
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//
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// Copyright (C) 2026 Cirrus Logic, Inc. and
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// Cirrus Logic International Semiconductor Ltd.
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#include <kunit/resource.h>
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#include <kunit/test.h>
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#include <kunit/static_stub.h>
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#include <linux/efi.h>
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#include <linux/device/faux.h>
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#include <linux/firmware/cirrus/cs_dsp.h>
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#include <linux/firmware/cirrus/wmfw.h>
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#include <linux/module.h>
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#include <linux/overflow.h>
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#include <linux/pci_ids.h>
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#include <linux/soundwire/sdw.h>
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#include <sound/cs35l56.h>
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#include <sound/cs-amp-lib.h>
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#include "cs35l56.h"
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KUNIT_DEFINE_ACTION_WRAPPER(faux_device_destroy_wrapper, faux_device_destroy,
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struct faux_device *)
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struct cs35l56_test_priv {
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struct faux_device *amp_dev;
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struct cs35l56_private *cs35l56_priv;
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const char *ssidexv2;
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};
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struct cs35l56_test_param {
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u8 type;
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u8 rev;
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};
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static const char *cs35l56_test_devm_get_vendor_specific_variant_id_none(struct device *dev,
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int ssid_vendor,
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int ssid_device)
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{
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return ERR_PTR(-ENOENT);
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}
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static void cs35l56_test_l56_b0_suffix_sdw(struct kunit *test)
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{
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struct cs35l56_test_priv *priv = test->priv;
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struct cs35l56_private *cs35l56 = priv->cs35l56_priv;
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/* Set device type info */
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cs35l56->base.type = 0x56;
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cs35l56->base.rev = 0xb0;
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/* Set the ALSA name prefix */
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cs35l56->component->name_prefix = "AMP1";
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/* Set SoundWire link and UID number */
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cs35l56->sdw_link_num = 1;
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cs35l56->sdw_unique_id = 5;
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kunit_activate_static_stub(test,
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cs35l56_test_devm_get_vendor_specific_variant_id_none,
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cs_amp_devm_get_vendor_specific_variant_id);
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KUNIT_EXPECT_EQ(test, 0, cs35l56_set_fw_suffix(cs35l56));
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/* Priority suffix should be the legacy ALSA prefix */
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KUNIT_EXPECT_STREQ(test, cs35l56->dsp.fwf_suffix, "AMP1");
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/* Fallback suffix should be the new SoundWire ID */
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KUNIT_EXPECT_STREQ(test, cs35l56->fallback_fw_suffix, "l1u5");
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}
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static void cs35l56_test_suffix_sdw(struct kunit *test)
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{
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struct cs35l56_test_priv *priv = test->priv;
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struct cs35l56_private *cs35l56 = priv->cs35l56_priv;
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/* Set the ALSA name prefix */
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cs35l56->component->name_prefix = "AMP1";
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/* Set SoundWire link and UID number */
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cs35l56->sdw_link_num = 1;
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cs35l56->sdw_unique_id = 5;
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kunit_activate_static_stub(test,
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cs35l56_test_devm_get_vendor_specific_variant_id_none,
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cs_amp_devm_get_vendor_specific_variant_id);
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KUNIT_EXPECT_EQ(test, 0, cs35l56_set_fw_suffix(cs35l56));
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/* Suffix should be the SoundWire ID without a fallback */
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KUNIT_EXPECT_STREQ(test, cs35l56->dsp.fwf_suffix, "l1u5");
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KUNIT_EXPECT_NULL(test, cs35l56->fallback_fw_suffix);
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}
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static void cs35l56_test_suffix_i2cspi(struct kunit *test)
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{
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struct cs35l56_test_priv *priv = test->priv;
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struct cs35l56_private *cs35l56 = priv->cs35l56_priv;
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/* Set the ALSA name prefix */
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cs35l56->component->name_prefix = "AMP1";
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kunit_activate_static_stub(test,
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cs35l56_test_devm_get_vendor_specific_variant_id_none,
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cs_amp_devm_get_vendor_specific_variant_id);
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KUNIT_EXPECT_EQ(test, 0, cs35l56_set_fw_suffix(cs35l56));
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/* Suffix strings should not be set: use default wm_adsp suffixing */
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KUNIT_EXPECT_NULL(test, cs35l56->dsp.fwf_suffix);
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KUNIT_EXPECT_NULL(test, cs35l56->fallback_fw_suffix);
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}
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static efi_status_t cs35l56_test_get_efi_ssidexv2(efi_char16_t *name,
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efi_guid_t *guid,
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u32 *returned_attr,
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unsigned long *size,
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void *buf)
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{
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struct kunit *test = kunit_get_current_test();
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struct cs35l56_test_priv *priv = test->priv;
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unsigned int len;
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KUNIT_ASSERT_NOT_NULL(test, priv->ssidexv2);
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len = strlen(priv->ssidexv2);
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if (*size < len) {
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*size = len;
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return EFI_BUFFER_TOO_SMALL;
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}
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KUNIT_ASSERT_NOT_NULL(test, buf);
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memcpy(buf, priv->ssidexv2, len);
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return EFI_SUCCESS;
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}
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static void cs35l56_test_ssidexv2_suffix_sdw(struct kunit *test)
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{
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struct cs35l56_test_priv *priv = test->priv;
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struct cs35l56_private *cs35l56 = priv->cs35l56_priv;
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/* Set the ALSA name prefix */
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cs35l56->component->name_prefix = "AMP1";
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/* Set SoundWire link and UID number */
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cs35l56->sdw_link_num = 1;
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cs35l56->sdw_unique_id = 5;
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/* Set a SSID to enable lookup of SSIDExV2 */
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snd_soc_card_set_pci_ssid(cs35l56->component->card, PCI_VENDOR_ID_DELL, 0x1234);
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priv->ssidexv2 = "10281234_01_BB_CC";
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kunit_activate_static_stub(test,
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cs_amp_test_hooks->get_efi_variable,
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cs35l56_test_get_efi_ssidexv2);
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KUNIT_EXPECT_EQ(test, 0, cs35l56_set_fw_suffix(cs35l56));
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/* Priority suffix should be the SSIDExV2 string with SoundWire ID */
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KUNIT_EXPECT_STREQ(test, cs35l56->dsp.fwf_suffix, "01-l1u5");
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/* Fallback suffix should be the SoundWireID */
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KUNIT_EXPECT_STREQ(test, cs35l56->fallback_fw_suffix, "l1u5");
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}
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static void cs35l56_test_ssidexv2_suffix_i2cspi(struct kunit *test)
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{
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struct cs35l56_test_priv *priv = test->priv;
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struct cs35l56_private *cs35l56 = priv->cs35l56_priv;
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/* Set the ALSA name prefix */
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cs35l56->component->name_prefix = "AMP1";
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/* Set a SSID to enable lookup of SSIDExV2 */
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snd_soc_card_set_pci_ssid(cs35l56->component->card, PCI_VENDOR_ID_DELL, 0x1234);
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priv->ssidexv2 = "10281234_01_BB_CC";
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kunit_activate_static_stub(test,
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cs_amp_test_hooks->get_efi_variable,
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cs35l56_test_get_efi_ssidexv2);
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KUNIT_EXPECT_EQ(test, 0, cs35l56_set_fw_suffix(cs35l56));
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/* Priority suffix should be the SSIDExV2 string with ALSA name prefix */
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KUNIT_EXPECT_STREQ(test, cs35l56->dsp.fwf_suffix, "01-AMP1");
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/* Fallback suffix should be the ALSA name prefix */
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KUNIT_EXPECT_STREQ(test, cs35l56->fallback_fw_suffix, "AMP1");
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}
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/*
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* CS35L56 B0 SoundWire should ignore any SSIDExV2 suffix. It isn't needed
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* on any products with B0 silicon and would interfere with the fallback
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* to legacy naming convention for early B0-based laptops.
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*/
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static void cs35l56_test_l56_b0_ssidexv2_ignored_suffix_sdw(struct kunit *test)
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{
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struct cs35l56_test_priv *priv = test->priv;
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struct cs35l56_private *cs35l56 = priv->cs35l56_priv;
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/* Set device type info */
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cs35l56->base.type = 0x56;
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cs35l56->base.rev = 0xb0;
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/* Set the ALSA name prefix */
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cs35l56->component->name_prefix = "AMP1";
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/* Set SoundWire link and UID number */
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cs35l56->sdw_link_num = 1;
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cs35l56->sdw_unique_id = 5;
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/* Set a SSID to enable lookup of SSIDExV2 */
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snd_soc_card_set_pci_ssid(cs35l56->component->card, PCI_VENDOR_ID_DELL, 0x1234);
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priv->ssidexv2 = "10281234_01_BB_CC";
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kunit_activate_static_stub(test,
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cs_amp_test_hooks->get_efi_variable,
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cs35l56_test_get_efi_ssidexv2);
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KUNIT_EXPECT_EQ(test, 0, cs35l56_set_fw_suffix(cs35l56));
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/* Priority suffix should be the legacy ALSA prefix */
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KUNIT_EXPECT_STREQ(test, cs35l56->dsp.fwf_suffix, "AMP1");
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/* Fallback suffix should be the new SoundWire ID */
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KUNIT_EXPECT_STREQ(test, cs35l56->fallback_fw_suffix, "l1u5");
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}
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static int cs35l56_test_case_init_common(struct kunit *test)
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{
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struct cs35l56_test_priv *priv;
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const struct cs35l56_test_param *param = test->param_value;
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struct cs35l56_private *cs35l56;
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KUNIT_ASSERT_NOT_NULL(test, cs_amp_test_hooks);
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priv = kunit_kzalloc(test, sizeof(*priv), GFP_KERNEL);
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if (!priv)
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return -ENOMEM;
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test->priv = priv;
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/* Create dummy amp driver dev */
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priv->amp_dev = faux_device_create("cs35l56_test_drv", NULL, NULL);
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KUNIT_ASSERT_NOT_NULL(test, priv->amp_dev);
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KUNIT_ASSERT_EQ(test, 0,
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kunit_add_action_or_reset(test,
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faux_device_destroy_wrapper,
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priv->amp_dev));
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/* Construct minimal set of driver structs */
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priv->cs35l56_priv = kunit_kzalloc(test, sizeof(*priv->cs35l56_priv), GFP_KERNEL);
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KUNIT_ASSERT_NOT_NULL(test, priv->cs35l56_priv);
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cs35l56 = priv->cs35l56_priv;
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cs35l56->base.dev = &priv->amp_dev->dev;
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cs35l56->component = kunit_kzalloc(test, sizeof(*cs35l56->component), GFP_KERNEL);
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KUNIT_ASSERT_NOT_NULL(test, cs35l56->component);
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cs35l56->component->dev = cs35l56->base.dev;
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cs35l56->component->card = kunit_kzalloc(test, sizeof(*cs35l56->component->card),
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GFP_KERNEL);
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KUNIT_ASSERT_NOT_NULL(test, cs35l56->component->card);
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if (param) {
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cs35l56->base.type = param->type;
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cs35l56->base.rev = param->rev;
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}
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return 0;
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}
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static int cs35l56_test_case_init_soundwire(struct kunit *test)
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{
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struct cs35l56_test_priv *priv;
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struct cs35l56_private *cs35l56;
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int ret;
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ret = cs35l56_test_case_init_common(test);
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if (ret)
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return ret;
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priv = test->priv;
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cs35l56 = priv->cs35l56_priv;
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/* Dummy to indicate this is Soundwire */
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cs35l56->sdw_peripheral = kunit_kzalloc(test, sizeof(*cs35l56->sdw_peripheral),
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GFP_KERNEL);
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if (!cs35l56->sdw_peripheral)
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return -ENOMEM;
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return 0;
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}
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static void cs35l56_test_type_rev_param_desc(const struct cs35l56_test_param *param,
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char *desc)
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{
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snprintf(desc, KUNIT_PARAM_DESC_SIZE, "type: %02x rev: %02x",
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param->type, param->rev);
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}
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static const struct cs35l56_test_param cs35l56_test_type_rev_ex_b0_param_cases[] = {
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{ .type = 0x56, .rev = 0xb2 },
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{ .type = 0x57, .rev = 0xb2 },
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{ .type = 0x63, .rev = 0xa1 },
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};
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KUNIT_ARRAY_PARAM(cs35l56_test_type_rev_ex_b0, cs35l56_test_type_rev_ex_b0_param_cases,
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cs35l56_test_type_rev_param_desc);
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static const struct cs35l56_test_param cs35l56_test_type_rev_all_param_cases[] = {
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{ .type = 0x56, .rev = 0xb0 },
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{ .type = 0x56, .rev = 0xb2 },
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{ .type = 0x57, .rev = 0xb2 },
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{ .type = 0x63, .rev = 0xa1 },
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};
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KUNIT_ARRAY_PARAM(cs35l56_test_type_rev_all, cs35l56_test_type_rev_all_param_cases,
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cs35l56_test_type_rev_param_desc);
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static struct kunit_case cs35l56_test_cases_soundwire[] = {
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KUNIT_CASE(cs35l56_test_l56_b0_suffix_sdw),
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KUNIT_CASE_PARAM(cs35l56_test_suffix_sdw, cs35l56_test_type_rev_ex_b0_gen_params),
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KUNIT_CASE_PARAM(cs35l56_test_ssidexv2_suffix_sdw,
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cs35l56_test_type_rev_ex_b0_gen_params),
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KUNIT_CASE(cs35l56_test_l56_b0_ssidexv2_ignored_suffix_sdw),
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{ } /* terminator */
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};
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static struct kunit_case cs35l56_test_cases_not_soundwire[] = {
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KUNIT_CASE_PARAM(cs35l56_test_suffix_i2cspi, cs35l56_test_type_rev_all_gen_params),
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KUNIT_CASE_PARAM(cs35l56_test_ssidexv2_suffix_i2cspi,
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cs35l56_test_type_rev_all_gen_params),
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{ } /* terminator */
|
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};
|
||||
|
||||
static struct kunit_suite cs35l56_test_suite_soundwire = {
|
||||
.name = "snd-soc-cs35l56-test-soundwire",
|
||||
.init = cs35l56_test_case_init_soundwire,
|
||||
.test_cases = cs35l56_test_cases_soundwire,
|
||||
};
|
||||
|
||||
static struct kunit_suite cs35l56_test_suite_not_soundwire = {
|
||||
.name = "snd-soc-cs35l56-test-not-soundwire",
|
||||
.init = cs35l56_test_case_init_common,
|
||||
.test_cases = cs35l56_test_cases_not_soundwire,
|
||||
};
|
||||
|
||||
kunit_test_suites(
|
||||
&cs35l56_test_suite_soundwire,
|
||||
&cs35l56_test_suite_not_soundwire,
|
||||
);
|
||||
|
||||
MODULE_IMPORT_NS("SND_SOC_CS_AMP_LIB");
|
||||
MODULE_DESCRIPTION("KUnit test for Cirrus Logic cs35l56 codec driver");
|
||||
MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
|
@ -5,6 +5,8 @@
|
|||
// Copyright (C) 2023 Cirrus Logic, Inc. and
|
||||
// Cirrus Logic International Semiconductor Ltd.
|
||||
|
||||
#include <kunit/static_stub.h>
|
||||
#include <kunit/visibility.h>
|
||||
#include <linux/acpi.h>
|
||||
#include <linux/array_size.h>
|
||||
#include <linux/completion.h>
|
||||
|
|
@ -1107,7 +1109,7 @@ static const struct snd_kcontrol_new cs35l56_cal_data_restore_controls[] = {
|
|||
SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE),
|
||||
};
|
||||
|
||||
static int cs35l56_set_fw_suffix(struct cs35l56_private *cs35l56)
|
||||
VISIBLE_IF_KUNIT int cs35l56_set_fw_suffix(struct cs35l56_private *cs35l56)
|
||||
{
|
||||
unsigned short vendor, device;
|
||||
const char *vendor_id;
|
||||
|
|
@ -1175,6 +1177,7 @@ static int cs35l56_set_fw_suffix(struct cs35l56_private *cs35l56)
|
|||
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL_IF_KUNIT(cs35l56_set_fw_suffix);
|
||||
|
||||
static int cs35l56_component_probe(struct snd_soc_component *component)
|
||||
{
|
||||
|
|
|
|||
|
|
@ -74,4 +74,8 @@ int cs35l56_common_probe(struct cs35l56_private *cs35l56);
|
|||
int cs35l56_init(struct cs35l56_private *cs35l56);
|
||||
void cs35l56_remove(struct cs35l56_private *cs35l56);
|
||||
|
||||
#if IS_ENABLED(CONFIG_KUNIT)
|
||||
int cs35l56_set_fw_suffix(struct cs35l56_private *cs35l56);
|
||||
#endif
|
||||
|
||||
#endif /* ifndef CS35L56_H */
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user