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2020-01-10ASoC: stm32: dfsdm: fix 16 bits recordOlivier Moysan1-6/+6
In stm32_afsdm_pcm_cb function, the transfer size is provided in bytes. However, samples are copied as 16 bits words from iio buffer. Divide by two the transfer size, to copy the right number of samples. Fixes: 1e7f6e1c69f0 ("ASoC: stm32: dfsdm: add 16 bits audio record support") Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Link: https://lore.kernel.org/r/20200110131131.3191-1-olivier.moysan@st.com Signed-off-by: Mark Brown <broonie@kernel.org>
2019-10-08ASoC: stm: stm32_adfsdm: remove snd_pcm_opsKuninori Morimoto1-19/+23
snd_pcm_ops is no longer needed. Let's use component driver callback. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/875zl7af0h.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
2019-06-20ASoC: stm32: dfsdm: add 16 bits audio record supportOlivier Moysan1-10/+39
Add support of audio 16 bits format record to STM32 DFSDM driver. Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2019-04-04Merge branch 'asoc-5.1' into asoc-5.2Mark Brown1-4/+34
2019-03-20ASoC: stm32: dfsdm: add mmap supportOlivier Moysan1-1/+1
Enable direct access (mmap) support. Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2019-03-20ASoC: stm32: dfsdm: fix debugfs warnings on entry creationOlivier Moysan1-3/+18
Register platform component with a prefix, to avoid warnings on debugfs entries creation, due to component name redundancy. Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2019-03-20ASoC: stm32: dfsdm: manage multiple prepareOlivier Moysan1-1/+16
The DFSDM must be stopped when a new setting is applied. restart systematically DFSDM on multiple prepare calls, to apply changes. Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2019-02-06ASoC: stm: Drop superfluous PCM preallocation error checksTakashi Iwai1-2/+3
snd_pcm_lib_preallocate_pages() and co always succeed, so the error check is simply redundant. Drop it. Reviewed-by: Jaroslav Kysela <perex@perex.cz> Acked-by: Mark Brown <broonie@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-08-01ASoC: stm32: remove redundant pointers 'priv' and 'rtd'Colin Ian King1-7/+1
Pointer 'priv' is assigned and not used, removing this allows the removal of pointer 'rtd'. Cleans up clang warning: warning: variable 'priv' set but not used [-Wunused-but-set-variable] Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2018-07-09ASoC: stm32: replace "%p" with "%pK"benjamin.gaignard@linaro.org1-1/+1
The format specifier "%p" can leak kernel addresses. Use "%pK" instead. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2018-02-12ASoC: stm: stm32_adfsdm: replace platform to componentKuninori Morimoto1-3/+4
Now platform can be replaced to component, let's do it. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2018-01-11ASoC: stm32: fix a typo in stm32_adfsdm_probe()Wei Yongjun1-1/+1
Fix a typo, we should return PTR_ERR(priv->iio_cb) instead of PTR_ERR(priv->iio_ch). Fixes: 55da094824c4 ("ASoC: stm32: add DFSDM DAI support") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2018-01-10ASoC: stm32: add DFSDM DAI supportArnaud Pouliquen1-0/+347
Add driver to handle DAI interface for PDM microphones connected to Digital Filter for Sigma Delta Modulators IP. Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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