From e32e23a2b588424aec0c4c4435530f8022318b8f Mon Sep 17 00:00:00 2001 From: Richard Fitzgerald Date: Wed, 17 Aug 2022 13:55:08 +0100 Subject: ASoC: soc-utils-test: Add test for snd_soc_params_to_bclk() snd_soc_params_to_bclk() calculates the BCLK from only the information in snd_pcm_hw_params. It is therefore a subset of the functionality of snd_soc_tdm_params_to_bclk() so can use a subset of the test case table. Signed-off-by: Richard Fitzgerald Link: https://lore.kernel.org/r/20220817125508.1406651-1-rf@opensource.cirrus.com Signed-off-by: Mark Brown --- sound/soc/soc-utils-test.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) (limited to 'sound/soc') diff --git a/sound/soc/soc-utils-test.c b/sound/soc/soc-utils-test.c index 5ad8e23af49a..616d2c926dd1 100644 --- a/sound/soc/soc-utils-test.c +++ b/sound/soc/soc-utils-test.c @@ -170,8 +170,54 @@ static void test_tdm_params_to_bclk(struct kunit *test) } } +static void test_snd_soc_params_to_bclk_one(struct kunit *test, + unsigned int rate, snd_pcm_format_t fmt, + unsigned int channels, + unsigned int expected_bclk) +{ + struct snd_pcm_hw_params params; + int got_bclk; + + _snd_pcm_hw_params_any(¶ms); + snd_mask_none(hw_param_mask(¶ms, SNDRV_PCM_HW_PARAM_FORMAT)); + hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_RATE)->min = rate; + hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_RATE)->max = rate; + hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_CHANNELS)->min = channels; + hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_CHANNELS)->max = channels; + params_set_format(¶ms, fmt); + + got_bclk = snd_soc_params_to_bclk(¶ms); + pr_debug("%s: r=%u sb=%u ch=%u expected=%u got=%d\n", + __func__, + rate, params_width(¶ms), channels, expected_bclk, got_bclk); + KUNIT_ASSERT_EQ(test, expected_bclk, (unsigned int)got_bclk); +} + +static void test_snd_soc_params_to_bclk(struct kunit *test) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(tdm_params_to_bclk_cases); ++i) { + /* + * snd_soc_params_to_bclk() is all the test cases where + * snd_pcm_hw_params values are not overridden. + */ + if (tdm_params_to_bclk_cases[i].tdm_width | + tdm_params_to_bclk_cases[i].tdm_slots | + tdm_params_to_bclk_cases[i].slot_multiple) + continue; + + test_snd_soc_params_to_bclk_one(test, + tdm_params_to_bclk_cases[i].rate, + tdm_params_to_bclk_cases[i].fmt, + tdm_params_to_bclk_cases[i].channels, + tdm_params_to_bclk_cases[i].bclk); + } +} + static struct kunit_case soc_utils_test_cases[] = { KUNIT_CASE(test_tdm_params_to_bclk), + KUNIT_CASE(test_snd_soc_params_to_bclk), {} }; -- cgit v1.2.3