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186 lines
8.1 KiB
186 lines
8.1 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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// Copyright (C) 2022 Cirrus Logic, Inc. and |
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// Cirrus Logic International Semiconductor Ltd. |
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#include <kunit/test.h> |
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#include <linux/module.h> |
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#include <sound/pcm.h> |
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#include <sound/pcm_params.h> |
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#include <sound/soc.h> |
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#include <uapi/sound/asound.h> |
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static const struct { |
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u32 rate; |
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snd_pcm_format_t fmt; |
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u8 channels; |
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u8 tdm_width; |
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u8 tdm_slots; |
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u8 slot_multiple; |
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u32 bclk; |
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} tdm_params_to_bclk_cases[] = { |
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/* rate fmt channels tdm_width tdm_slots slot_multiple bclk */ |
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/* From params only */ |
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 0, 0, 128000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 0, 0, 256000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S24_LE, 1, 0, 0, 0, 192000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S24_LE, 2, 0, 0, 0, 384000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 0, 0, 256000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 0, 0, 512000 }, |
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{ 44100, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 0, 0, 705600 }, |
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{ 44100, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 0, 0, 1411200 }, |
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{ 44100, SNDRV_PCM_FORMAT_S24_LE, 1, 0, 0, 0, 1058400 }, |
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{ 44100, SNDRV_PCM_FORMAT_S24_LE, 2, 0, 0, 0, 2116800 }, |
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{ 44100, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 0, 0, 1411200 }, |
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{ 44100, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 0, 0, 2822400 }, |
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{ 384000, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 0, 0, 6144000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 0, 0, 12288000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S24_LE, 1, 0, 0, 0, 9216000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S24_LE, 2, 0, 0, 0, 18432000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 0, 0, 12288000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 0, 0, 24576000 }, |
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/* I2S from params */ |
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 0, 2, 256000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 0, 2, 256000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S24_LE, 1, 0, 0, 2, 384000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S24_LE, 2, 0, 0, 2, 384000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 0, 2, 512000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 0, 2, 512000 }, |
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{ 44100, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 0, 2, 1411200 }, |
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{ 44100, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 0, 2, 1411200 }, |
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{ 44100, SNDRV_PCM_FORMAT_S24_LE, 1, 0, 0, 2, 2116800 }, |
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{ 44100, SNDRV_PCM_FORMAT_S24_LE, 2, 0, 0, 2, 2116800 }, |
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{ 44100, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 0, 2, 2822400 }, |
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{ 44100, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 0, 2, 2822400 }, |
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{ 384000, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 0, 2, 12288000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 0, 2, 12288000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S24_LE, 1, 0, 0, 2, 18432000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S24_LE, 2, 0, 0, 2, 18432000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 0, 2, 24576000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 0, 2, 24576000 }, |
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/* Fixed 8-slot TDM, other values from params */ |
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 8, 0, 1024000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 8, 0, 1024000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 3, 0, 8, 0, 1024000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 4, 0, 8, 0, 1024000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 8, 0, 2048000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 8, 0, 2048000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S32_LE, 3, 0, 8, 0, 2048000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S32_LE, 4, 0, 8, 0, 2048000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 8, 0, 49152000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 8, 0, 49152000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S16_LE, 3, 0, 8, 0, 49152000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S16_LE, 4, 0, 8, 0, 49152000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 8, 0, 98304000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 8, 0, 98304000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S32_LE, 3, 0, 8, 0, 98304000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S32_LE, 4, 0, 8, 0, 98304000 }, |
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/* Fixed 32-bit TDM, other values from params */ |
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 1, 32, 0, 0, 256000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 2, 32, 0, 0, 512000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 3, 32, 0, 0, 768000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 4, 32, 0, 0, 1024000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S32_LE, 1, 32, 0, 0, 256000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S32_LE, 2, 32, 0, 0, 512000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S32_LE, 3, 32, 0, 0, 768000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S32_LE, 4, 32, 0, 0, 1024000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S16_LE, 1, 32, 0, 0, 12288000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S16_LE, 2, 32, 0, 0, 24576000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S16_LE, 3, 32, 0, 0, 36864000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S16_LE, 4, 32, 0, 0, 49152000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S32_LE, 1, 32, 0, 0, 12288000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S32_LE, 2, 32, 0, 0, 24576000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S32_LE, 3, 32, 0, 0, 36864000 }, |
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{ 384000, SNDRV_PCM_FORMAT_S32_LE, 4, 32, 0, 0, 49152000 }, |
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/* Fixed 6-slot 24-bit TDM, other values from params */ |
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 1, 24, 6, 0, 1152000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 2, 24, 6, 0, 1152000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 3, 24, 6, 0, 1152000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 4, 24, 6, 0, 1152000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S24_LE, 1, 24, 6, 0, 1152000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S24_LE, 2, 24, 6, 0, 1152000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S24_LE, 3, 24, 6, 0, 1152000 }, |
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{ 8000, SNDRV_PCM_FORMAT_S24_LE, 4, 24, 6, 0, 1152000 }, |
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{ 192000, SNDRV_PCM_FORMAT_S16_LE, 1, 24, 6, 0, 27648000 }, |
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{ 192000, SNDRV_PCM_FORMAT_S16_LE, 2, 24, 6, 0, 27648000 }, |
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{ 192000, SNDRV_PCM_FORMAT_S16_LE, 3, 24, 6, 0, 27648000 }, |
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{ 192000, SNDRV_PCM_FORMAT_S16_LE, 4, 24, 6, 0, 27648000 }, |
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{ 192000, SNDRV_PCM_FORMAT_S24_LE, 1, 24, 6, 0, 27648000 }, |
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{ 192000, SNDRV_PCM_FORMAT_S24_LE, 2, 24, 6, 0, 27648000 }, |
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{ 192000, SNDRV_PCM_FORMAT_S24_LE, 3, 24, 6, 0, 27648000 }, |
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{ 192000, SNDRV_PCM_FORMAT_S24_LE, 4, 24, 6, 0, 27648000 }, |
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}; |
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static void test_tdm_params_to_bclk_one(struct kunit *test, |
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unsigned int rate, snd_pcm_format_t fmt, |
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unsigned int channels, |
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unsigned int tdm_width, unsigned int tdm_slots, |
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unsigned int slot_multiple, |
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unsigned int expected_bclk) |
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{ |
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struct snd_pcm_hw_params params; |
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int got_bclk; |
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_snd_pcm_hw_params_any(¶ms); |
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snd_mask_none(hw_param_mask(¶ms, SNDRV_PCM_HW_PARAM_FORMAT)); |
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hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_RATE)->min = rate; |
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hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_RATE)->max = rate; |
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hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_CHANNELS)->min = channels; |
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hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_CHANNELS)->max = channels; |
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params_set_format(¶ms, fmt); |
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got_bclk = snd_soc_tdm_params_to_bclk(¶ms, tdm_width, tdm_slots, slot_multiple); |
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pr_debug("%s: r=%u sb=%u ch=%u tw=%u ts=%u sm=%u expected=%u got=%d\n", |
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__func__, |
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rate, params_width(¶ms), channels, tdm_width, tdm_slots, slot_multiple, |
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expected_bclk, got_bclk); |
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KUNIT_ASSERT_EQ(test, expected_bclk, (unsigned int)got_bclk); |
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} |
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static void test_tdm_params_to_bclk(struct kunit *test) |
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{ |
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int i; |
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for (i = 0; i < ARRAY_SIZE(tdm_params_to_bclk_cases); ++i) { |
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test_tdm_params_to_bclk_one(test, |
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tdm_params_to_bclk_cases[i].rate, |
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tdm_params_to_bclk_cases[i].fmt, |
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tdm_params_to_bclk_cases[i].channels, |
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tdm_params_to_bclk_cases[i].tdm_width, |
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tdm_params_to_bclk_cases[i].tdm_slots, |
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tdm_params_to_bclk_cases[i].slot_multiple, |
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tdm_params_to_bclk_cases[i].bclk); |
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if (tdm_params_to_bclk_cases[i].slot_multiple > 0) |
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continue; |
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/* Slot multiple 1 should have the same effect as multiple 0 */ |
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test_tdm_params_to_bclk_one(test, |
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tdm_params_to_bclk_cases[i].rate, |
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tdm_params_to_bclk_cases[i].fmt, |
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tdm_params_to_bclk_cases[i].channels, |
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tdm_params_to_bclk_cases[i].tdm_width, |
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tdm_params_to_bclk_cases[i].tdm_slots, |
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1, |
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tdm_params_to_bclk_cases[i].bclk); |
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} |
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} |
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static struct kunit_case soc_utils_test_cases[] = { |
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KUNIT_CASE(test_tdm_params_to_bclk), |
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{} |
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}; |
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static struct kunit_suite soc_utils_test_suite = { |
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.name = "soc-utils", |
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.test_cases = soc_utils_test_cases, |
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}; |
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kunit_test_suites(&soc_utils_test_suite); |
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MODULE_DESCRIPTION("ASoC soc-utils kunit test"); |
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MODULE_LICENSE("GPL");
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