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2022-06-27ASoC: stm32: Migrate to new style legacy DAI naming flagCharles Keepax4-0/+4
Change the legacy DAI naming flag from opting in to the new scheme (non_legacy_dai_naming), to opting out of it (legacy_dai_naming). These drivers appear to be on the CPU side of the DAI link and currently uses the legacy naming, so add the new flag. Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com> Link: https://lore.kernel.org/r/20220623125250.2355471-9-ckeepax@opensource.cirrus.com Signed-off-by: Mark Brown <broonie@kernel.org>
2022-06-09Specify clock provider directly to CPU DAIsMark Brown2-8/+8
Merge series from Charles Keepax <ckeepax@opensource.cirrus.com>: Currently the set_fmt callback always passes clock provider/consumer with respect to the CODEC. This made sense when the framework was directly broken down into platforms and CODECs. However, as things are now broken down into components which can be connected as either the CPU or CODEC side of a DAI link it simplifies things if each side of the link is just told if it is provider or consumer of the clocks. Making this change allows us to remove one of the last parts of the ASoC core that needs to know if a driver is a CODEC driver, where it flips the clock format specifier if a CODEC driver is used on the CPU side of a DAI link, as well as just being conceptually more consistent with componentisation. The basic idea of this patch chain is to change the set_fmt callback from specifying if the CODEC is provider/consumer into directly specifying if the component is provider/consumer. To do this we add some new defines, and then to preserve bisectability, the migration is done by adding a new callback, converting over all existing CPU side drivers, converting the core, and then finally reverting back to the old callback. Converting the platform drivers makes sense as the existing defines are from the perspective of the CODEC and there are more CODEC drivers than platform drivers. Obviously a fair amount of this patch chain I was only able to build test, so any testing that can be done would be greatly appreciated.
2022-06-06ASoC: stm32: dfsdm: fix typo in commentJulia Lawall1-1/+1
Spelling mistake (triple letters) in comment. Detected with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> Link: https://lore.kernel.org/r/20220521111145.81697-76-Julia.Lawall@inria.fr Signed-off-by: Mark Brown <broonie@kernel.org>
2022-06-06ASoC: stm32: sai: Remove useless defineTang Bin1-2/+0
STM_SAI_IS_SUB_B(x) and STM_SAI_BLOCK_NAME(x) are not being used, so remove them. Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com> Acked-by: Olivier Moysan <olivier.moysan@st.com> Link: https://lore.kernel.org/r/20220525135023.6792-1-tangbin@cmss.chinamobile.com Signed-off-by: Mark Brown <broonie@kernel.org>
2022-06-06ASoC: stm: Rename set_fmt_new back to set_fmtCharles Keepax2-2/+2
Now the core has been migrated across to the new direct clock specification we can move the drivers back to the normal set_fmt callback. Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com> Link: https://lore.kernel.org/r/20220519154318.2153729-49-ckeepax@opensource.cirrus.com Signed-off-by: Mark Brown <broonie@kernel.org>
2022-06-06ASoC: stm: Update to use set_fmt_new callbackCharles Keepax2-10/+10
As part of updating the core to directly tell drivers if they are clock provider or consumer update these CPU side drivers to use the new direct callback. Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com> Link: https://lore.kernel.org/r/20220519154318.2153729-22-ckeepax@opensource.cirrus.com Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-20ASoC: stm: Use dev_err_probe() helperKuninori Morimoto4-111/+57
Use the dev_err_probe() helper, instead of open-coding the same operation. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/20211214020843.2225831-22-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-01Merge branch 'for-5.16' of ↵Mark Brown1-1/+1
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-5.17 so we can apply new Tegra work
2021-11-22ASoC: stm32: spdifrx: add pm_runtime supportOlivier Moysan1-0/+4
Enable support of pm_runtime on STM32 SPDIFRX driver to allow SPDIFRX power state monitoring. Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com> Link: https://lore.kernel.org/r/20211119104752.13564-4-olivier.moysan@foss.st.com Signed-off-by: Mark Brown <broonie@kernel.org>
2021-11-22ASoC: stm32: dfsdm: add pm_runtime support for audioOlivier Moysan1-1/+4
Enable support of pm_runtime on STM32 DFSDM audio driver to allow power state monitoring. Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com> Link: https://lore.kernel.org/r/20211119104752.13564-3-olivier.moysan@foss.st.com Signed-off-by: Mark Brown <broonie@kernel.org>
2021-11-22ASoC: stm32: i2s: add pm_runtime supportOlivier Moysan1-0/+4
Enable support of pm_runtime on STM32 I2S driver to allow I2S power state monitoring. Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com> Link: https://lore.kernel.org/r/20211119104752.13564-2-olivier.moysan@foss.st.com Signed-off-by: Mark Brown <broonie@kernel.org>
2021-11-17ASoC: stm32: sai: increase channels_max limitOlivier Moysan1-2/+2
The SAI peripheral supports up to 16 channels in TDM mode (8L+8R). The driver currently supports TDM over two channels. Increase SAI DAI playback/record channels_max, to also allow up to 16 channels in TDM mode. Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Link: https://lore.kernel.org/r/20211117110031.19345-1-olivier.moysan@foss.st.com Signed-off-by: Mark Brown <broonie@kernel.org>
2021-11-17ASoC: stm32: i2s: fix 32 bits channel length without mclkOlivier Moysan1-1/+1
Fix divider calculation in the case of 32 bits channel configuration, when no master clock is used. Fixes: e4e6ec7b127c ("ASoC: stm32: Add I2S driver") Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com> Link: https://lore.kernel.org/r/20211117104404.3832-1-olivier.moysan@foss.st.com Signed-off-by: Mark Brown <broonie@kernel.org>
2021-06-17ASoC: stm32: spdifrx: Use devm_platform_get_and_ioremap_resource()Yang Yingliang1-2/+1
Use devm_platform_get_and_ioremap_resource() to simplify code. Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Link: https://lore.kernel.org/r/20210617043847.1113092-4-yangyingliang@huawei.com Signed-off-by: Mark Brown <broonie@kernel.org>
2021-06-17ASoC: stm32: sai: Use devm_platform_get_and_ioremap_resource()Yang Yingliang1-2/+1
Use devm_platform_get_and_ioremap_resource() to simplify code. Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Link: https://lore.kernel.org/r/20210617043847.1113092-3-yangyingliang@huawei.com Signed-off-by: Mark Brown <broonie@kernel.org>
2021-06-17ASoC: stm32: i2s: Use devm_platform_get_and_ioremap_resource()Yang Yingliang1-2/+1
Use devm_platform_get_and_ioremap_resource() to simplify code. Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Link: https://lore.kernel.org/r/20210617043847.1113092-2-yangyingliang@huawei.com Signed-off-by: Mark Brown <broonie@kernel.org>
2021-04-28ASoC: stm32: do not request a new clock consummer referenceJerome Brunet1-4/+1
This reverts commit 65d1cce726d4912793d0a84c55ecdb0ef5832130. There is problem with clk_hw_get_hw(). Using it pins the clock provider to itself, making it impossible to remove the module. Revert commit 65d1cce726d4 ("ASoC: stm32: properly get clk from the provider") until this gets sorted out. Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> Link: https://lore.kernel.org/r/20210428122632.46244-2-jbrunet@baylibre.com Signed-off-by: Mark Brown <broonie@kernel.org>
2021-04-23ASoC: stm32: properly get clk from the providerJerome Brunet1-1/+4
Instead of using the clk embedded in the clk_hw (which is meant to go away), a clock provider which need to interact with its own clock should request clk reference through the clock provider API. Reviewed-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> Link: https://lore.kernel.org/r/20210421120512.413057-2-jbrunet@baylibre.com Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-31ASoC: stm: stm32_adfsdm: fix snprintf format stringPierre-Louis Bossart1-1/+1
cppcheck warning: sound/soc/stm/stm32_adfsdm.c:120:2: warning: %d in format string (no. 1) requires 'int' but the argument type is 'unsigned int'. [invalidPrintfArgType_sint] snprintf(str_freq, sizeof(str_freq), "%d\n", freq); ^ Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20210326215927.936377-11-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
2021-02-05ASoC: stm32: i2s: add master clock providerOlivier Moysan1-44/+266
Add master clock generation support in STM32 I2S driver. The master clock provided by I2S can be used to feed a codec. Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com> Link: https://lore.kernel.org/r/20210205104404.18786-3-olivier.moysan@foss.st.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-12-15Merge tag 'staging-5.11-rc1' of ↵Linus Torvalds1-1/+11
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging / IIO driver updates from Greg KH: "Here is the big staging and IIO driver pull request for 5.11-rc1 Lots of different things in here: - loads of driver updates - so many coding style cleanups - new IIO drivers - Android ION code is finally removed from the tree - wimax drivers are moved to staging on their way out of the kernel Nothing really exciting, just the constant grind of kernel development :) All have been in linux-next for a while with no reported issues" * tag 'staging-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (341 commits) staging: olpc_dcon: Do not call platform_device_unregister() in dcon_probe() staging: most: Fix spelling mistake "tranceiver" -> "transceiver" staging: qlge: remove duplicate word in comment staging: comedi: mf6x4: Fix AI end-of-conversion detection staging: greybus: Add TODO item about modernizing the pwm code pinctrl: ralink: add a pinctrl driver for the rt2880 family dt-bindings: pinctrl: rt2880: add binding document staging: rtl8723bs: remove ELEMENT_ID enum staging: rtl8723bs: remove unused macros staging: rtl8723bs: replace EID_EXTCapability staging: rtl8723bs: replace EID_BSSIntolerantChlReport staging: rtl8723bs: replace EID_BSSCoexistence staging: rtl8723bs: replace _MME_IE_ staging: rtl8723bs: replace _WAPI_IE_ staging: rtl8723bs: replace _EXT_SUPPORTEDRATES_IE_ staging: rtl8723bs: replace _ERPINFO_IE_ staging: rtl8723bs: replace _CHLGETXT_IE_ staging: rtl8723bs: replace _COUNTRY_IE_ staging: rtl8723bs: replace _IBSS_PARA_IE_ staging: rtl8723bs: replace _TIM_IE_ ...
2020-12-03ASoC: stm32: dfsdm: add stm32_adfsdm_dummy_cb() callbackOlivier Moysan1-1/+11
Adapt STM32 DFSDM driver to a change in iio_channel_get_all_cb() API. The callback pointer becomes a requested parameter of this API, so add a dummy callback to be given as parameter of this function. However, the stm32_dfsdm_get_buff_cb() API is still used instead, to optimize DMA transfers. Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Signed-off-by: Nuno Sá <nuno.sa@analog.com> Acked-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20201121161457.957-2-nuno.sa@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-11-23ASoC: stm: depend on COMMON_CLK to fix compile testsKrzysztof Kozlowski1-0/+1
The STM32 I2S drivers use Common Clock Framework thus they cannot be built on platforms without it (e.g. compile test on MIPS with RALINK and SOC_RT305X): /usr/bin/mips-linux-gnu-ld: sound/soc/stm/stm32_i2s.o: in function `stm32_i2s_hw_params': stm32_i2s.c:(.text+0x1870): undefined reference to `clk_set_parent' Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20201116175133.402553-3-krzk@kernel.org Signed-off-by: Mark Brown <broonie@kernel.org>
2020-10-08ASoC: stm32: dfsdm: change rate limitsOlivier Moysan1-5/+3
The DFSDM can support a larger rate range than currently supported in driver. Increase rate upper limit to 48kHz and allow all rates in the range 8kHz to 48kHz. Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Link: https://lore.kernel.org/r/20201007153459.22155-2-olivier.moysan@st.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-09-11ASoC: stm32: sai: add pm_runtime supportOlivier Moysan1-2/+8
Enable support of pm_runtime on STM32 SAI driver to allow SAI power state monitoring. pm_runtime_put_autosuspend() is called from ASoC framework on pcm device close. The pmdown_time delay is available in runtime context, and may be set in SAI driver to take into account shutdown delay on playback. However, this shutdown delay is already handled in the DAPMs of the audio codec linked to SAI CPU DAI. So, the choice is made, not to support this delay on CPU DAI side. Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Link: https://lore.kernel.org/r/20200911081507.7276-1-olivier.moysan@st.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-07-31ASoC: core: Two step component registrationCezary Rojewski1-2/+7
Modify snd_soc_add_component so it calls snd_soc_component_initialize no longer and thus providing true two-step registration. Drivers may choose to change component's fields before actually adding it to ASoC subsystem. Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com> Link: https://lore.kernel.org/r/20200731144146.6678-4-cezary.rojewski@intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-07-23ASoC: stm: use asoc_substream_to_rtd()Kuninori Morimoto2-7/+7
Now we can use asoc_substream_to_rtd() macro, let's use it. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/87pn8r0yus.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-04-17ASoC: stm32: sai: fix sai probeOlivier Moysan1-7/+5
pcm config must be set before snd_dmaengine_pcm_register() call. Fixes: 0d6defc7e0e4 ("ASoC: stm32: sai: manage rebind issue") Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Link: https://lore.kernel.org/r/20200417142122.10212-1-olivier.moysan@st.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-04-14soc/stm/stm32_sub_sai: Add missing '\n' in log messagesSebastian Fricke1-1/+1
Message logged by 'dev_xxx()' or 'pr_xxx()' should end with a '\n'. Fixes: 3e086ed("ASoC: stm32: add SAI drivers") Signed-off-by: Sebastian Fricke <sebastian.fricke.linux@gmail.com> Link: https://lore.kernel.org/r/20200413042952.7675-1-sebastian.fricke.linux@gmail.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-04-06ASoC: stm32: sai: Add missing cleanupJulia Lawall1-1/+3
The commit 0d6defc7e0e4 ("ASoC: stm32: sai: manage rebind issue") converts some function calls to their non-devm equivalents. The appropriate cleanup code was added to the remove function, but not to the probe function. Add a call to snd_dmaengine_pcm_unregister to compensate for the call to snd_dmaengine_pcm_register in case of subsequent failure. Fixes: commit 0d6defc7e0e4 ("ASoC: stm32: sai: manage rebind issue") Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> Acked-by: Olivier Moysan <olivier.moysan@st.com> Link: https://lore.kernel.org/r/1586099028-5104-1-git-send-email-Julia.Lawall@inria.fr Signed-off-by: Mark Brown <broonie@kernel.org>
2020-03-27Merge branch 'for-5.6' of ↵Mark Brown1-0/+2
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-5.7
2020-03-27ASoC: stm: use asoc_rtd_to_cpu() / asoc_rtd_to_codec() macro for DAI pointerKuninori Morimoto2-7/+7
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/87a747ir4b.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-03-18ASoC: stm32: i2s: manage rebind issueOlivier Moysan1-11/+29
The commit e894efef9ac7 ("ASoC: core: add support to card rebind") allows to rebind the sound card after a rebind of one of its component. With this commit, the sound card is actually rebound, but may be no more functional. Corrections: - Call snd_dmaengine_pcm_register() before snd_soc_register_component(). - Call snd_dmaengine_pcm_unregister() and snd_soc_unregister_component() explicitly from I2S driver. Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Link: https://lore.kernel.org/r/20200318144125.9163-4-olivier.moysan@st.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-03-18ASoC: stm32: spdifrx: manage rebind issueOlivier Moysan1-30/+32
The commit e894efef9ac7 ("ASoC: core: add support to card rebind") allows to rebind the sound card after a rebind of one of its component. With this commit, the sound card is actually rebound, but may be no more functional. Corrections: - Call snd_dmaengine_pcm_register() before snd_soc_register_component(). - Call snd_dmaengine_pcm_unregister() and snd_soc_unregister_component() explicitly from SPDFIRX driver. Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Link: https://lore.kernel.org/r/20200318144125.9163-3-olivier.moysan@st.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-03-18ASoC: stm32: spdifrx: fix regmap status checkOlivier Moysan1-0/+2
Release resources when exiting on error. Fixes: 1a5c0b28fc56 ("ASoC: stm32: spdifrx: manage identification registers") Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Link: https://lore.kernel.org/r/20200318144125.9163-2-olivier.moysan@st.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-03-04Merge branch 'for-5.6' of ↵Mark Brown1-9/+11
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-5.7
2020-03-04ASoC: stm32: sai: manage rebind issueOlivier Moysan1-8/+10
The commit e894efef9ac7 ("ASoC: core: add support to card rebind") allows to rebind the sound card after a rebind of one of its component. With this commit, the sound card is actually rebound, but may be no more functional. The following problems have been seen with STM32 SAI driver. 1) DMA channel is not requested: With the sound card rebind the simplified call sequence is: stm32_sai_sub_probe snd_soc_register_component snd_soc_try_rebind_card snd_soc_instantiate_card devm_snd_dmaengine_pcm_register The problem occurs because the pcm must be registered, before snd_soc_instantiate_card() is called. Modify SAI driver, to change the call sequence as follows: stm32_sai_sub_probe devm_snd_dmaengine_pcm_register snd_soc_register_component snd_soc_try_rebind_card 2) DMA channel is not released: dma_release_channel() is not called when devm_dmaengine_pcm_release() is executed. This occurs because SND_DMAENGINE_PCM_DRV_NAME component, has already been released through devm_component_release(). devm_dmaengine_pcm_release() should be called before devm_component_release() to avoid this problem. Call snd_dmaengine_pcm_unregister() and snd_soc_unregister_component() explicitly from SAI driver, to have the right sequence. Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Message-Id: <20200304102406.8093-1-olivier.moysan@st.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2020-02-11ASoC: stm32: i2s: improve error management on probe deferralOlivier Moysan1-6/+19
Do not print an error trace when deferring probe for I2S driver. Signed-off-by: Etienne Carriere <etienne.carriere@st.com> Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Link: https://lore.kernel.org/r/20200203100814.22944-7-olivier.moysan@st.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-02-11ASoC: stm32: spdifrx: improve error management on probe deferralOlivier Moysan1-4/+11
Do not print an error trace when deferring probe for SPDIFRX driver. Signed-off-by: Etienne Carriere <etienne.carriere@st.com> Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Link: https://lore.kernel.org/r/20200203100814.22944-6-olivier.moysan@st.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-02-11ASoC: stm32: sai: improve error management on probe deferralOlivier Moysan2-6/+17
Do not print an error trace when deferring probe for SAI driver. Signed-off-by: Etienne Carriere <etienne.carriere@st.com> Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Link: https://lore.kernel.org/r/20200203100814.22944-5-olivier.moysan@st.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-02-11ASoC: stm32: i2s: manage error when getting reset controllerOlivier Moysan1-5/+9
Return an error when the i2s driver fails to get a reset controller. Also add an error trace, except on probe defer status. Signed-off-by: Etienne Carriere <etienne.carriere@st.com> Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Link: https://lore.kernel.org/r/20200203100814.22944-4-olivier.moysan@st.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-02-11ASoC: stm32: spdifrx: manage error when getting reset controllerOlivier Moysan1-5/+9
Return an error when the SPDIFRX driver fails to get a reset controller. Also add an error trace, except on probe defer status. Signed-off-by: Etienne Carriere <etienne.carriere@st.com> Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Link: https://lore.kernel.org/r/20200203100814.22944-3-olivier.moysan@st.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-02-11ASoC: stm32: sai: manage error when getting reset controllerOlivier Moysan1-5/+9
Return an error when the SAI driver fails to get a reset controller. Also add an error trace, except on probe defer status. Signed-off-by: Etienne Carriere <etienne.carriere@st.com> Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Link: https://lore.kernel.org/r/20200203100814.22944-2-olivier.moysan@st.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-01-17Merge tag 'asoc-fix-v5.5-rc6' into asoc-5.6Mark Brown1-6/+6
ASoC: Fixes for v5.5 This is mostly driver specific fixes, plus an error handling fix in the core. There is a rather large diffstat for the stm32 SAI driver, this is a very large but mostly mechanical update which wraps every register access in the driver to allow a fix to the locking which avoids circular locks, the active change is much smaller and more reasonably sized.
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>
2020-01-10Merge branch 'for-5.5' of ↵Mark Brown1-54/+140
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-5.6
2020-01-09ASoC: stm32: sai: fix possible circular lockingOlivier Moysan1-54/+140
In current driver, locks can be taken as follows: - Register access: take a lock on regmap config and then on clock. - Master clock provider: take a lock on clock and then on regmap config. This can lead to the circular locking summarized below. Remove peripheral clock management through regmap framework, and manage peripheral clock in driver instead. On register access, lock on clock is taken first, which allows to avoid possible locking issue. [ 6696.561513] ====================================================== [ 6696.567670] WARNING: possible circular locking dependency detected [ 6696.573842] 4.19.49 #866 Not tainted [ 6696.577397] ------------------------------------------------------ [ 6696.583566] pulseaudio/6439 is trying to acquire lock: [ 6696.588697] 87b0a25b (enable_lock){..-.}, at: clk_enable_lock+0x64/0x128 [ 6696.595377] [ 6696.595377] but task is already holding lock: [ 6696.601197] d858f825 (stm32_sai_sub:1342:(sai->regmap_config)->lock){....} ... [ 6696.812513] Possible unsafe locking scenario: [ 6696.812513] [ 6696.818418] CPU0 CPU1 [ 6696.822935] ---- ---- [ 6696.827451] lock(stm32_sai_sub:1342:(sai->regmap_config)->lock); [ 6696.833618] lock(enable_lock); [ 6696.839350] lock(stm32_sai_sub:1342: (sai->regmap_config)->lock); [ 6696.848035] lock(enable_lock); Fixes: 03e78a242a15 ("ASoC: stm32: sai: add h7 support") Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Link: https://lore.kernel.org/r/20200109083254.478-1-olivier.moysan@st.com Signed-off-by: Mark Brown <broonie@kernel.org>
2019-12-25Merge branch 'for-5.5' of ↵Mark Brown1-14/+26
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-5.6
2019-12-24ASoC: stm32: spdifrx: fix input pin state managementOlivier Moysan1-4/+0
Changing input state in iec capture control is not safe, as the pin state may be changed concurrently by ASoC framework. Remove pin state handling in iec capture control. Note: This introduces a restriction on capture control, when pin sleep state is defined in device tree. In this case channel status can be captured only when an audio stream capture is active. Fixes: f68c2a682d44 ("ASoC: stm32: spdifrx: add power management") Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Link: https://lore.kernel.org/r/20191204154333.7152-4-olivier.moysan@st.com Signed-off-by: Mark Brown <broonie@kernel.org>
2019-12-24ASoC: stm32: spdifrx: fix race condition in irq handlerOlivier Moysan1-5/+19
When snd_pcm_stop() is called in interrupt routine, substream context may have already been released. Add protection on substream context. Fixes: 03e4d5d56fa5 ("ASoC: stm32: Add SPDIFRX support") Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Link: https://lore.kernel.org/r/20191204154333.7152-3-olivier.moysan@st.com Signed-off-by: Mark Brown <broonie@kernel.org>
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