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alistair23-linux/sound/soc
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Peter Ujfalusi 72b745e3ad
ASoC: core: Move pcm_mutex up to card level from snd_soc_pcm_runtime 
The pcm_mutex is used to prevent concurrent execution of snd_pcm_ops
callbacks. This works fine most of the cases but it can not handle setups
when the same DAI is used by different rtd, for example:
pcm3168a have two DAIs: one for Playback and one for Capture.
If the codec is connected to a single CPU DAI we need to have two dai_link
to support both playback and capture.

In this case the snd_pcm_ops callbacks can be executed in parallel causing
unexpected races in DAI drivers.

By moving the pcm_mutex up to card level this can be solved
while - hopefully - not breaking other setups.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20190813104532.16669-1-peter.ujfalusi@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
 		2019-08-15 15:07:43 +01:00
..
adi treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 177 2019-05-30 11:29:19 -07:00
amd Linux 5.2-rc6 2019-06-26 12:39:34 +01:00
atmel ASoC: Remove dev_err() usage after platform_get_irq() 2019-08-02 12:12:31 +01:00
au1x ASoC: au1x: psc-i2s: use devm_platform_ioremap_resource() to simplify code 2019-07-31 12:12:25 +01:00
bcm ASoC: Remove dev_err() usage after platform_get_irq() 2019-08-02 12:12:31 +01:00
cirrus ASoC: ep93xx-i2s: use devm_platform_ioremap_resource() to simplify code 2019-07-31 12:04:11 +01:00
codecs ASoC: 88pm860x: remove unused variables 'pcm_switch_controls' and 'aif1_mux' 2019-08-15 15:07:25 +01:00
dwc treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
fsl ASoC: fsl_esai: Add compatible string for imx6ull 2019-08-12 14:01:10 +01:00
generic ASoC: simple-card: use snd_soc_dai_link_component for aux_dev 2019-08-09 18:12:28 +01:00
hisilicon treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 340 2019-06-05 17:37:07 +02:00
img treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 422 2019-06-05 17:37:15 +02:00
intel ASoC: Intel: Skylake: Print constant literals from format specifier 2019-08-15 15:04:23 +01:00
jz4740 Linux 5.2-rc6 2019-06-26 12:39:34 +01:00
kirkwood ASoC: Remove dev_err() usage after platform_get_irq() 2019-08-02 12:12:31 +01:00
mediatek ASoC: mediatek: mt8183-mt6358-ts3a227-max98357: remove unused variables 2019-08-15 15:03:55 +01:00
meson ASoC: soc-core: add for_each_xxx macro for aux_dev 2019-08-09 18:13:58 +01:00
mxs ASoC: Remove dev_err() usage after platform_get_irq() 2019-08-02 12:12:31 +01:00
pxa ASoC: mmp-sspa: use devm_platform_ioremap_resource() to simplify code 2019-07-31 12:10:54 +01:00
qcom ASoC: Remove dev_err() usage after platform_get_irq() 2019-08-02 12:12:31 +01:00
rockchip ASoC: rockchip: rockchip_max98090: use snd_soc_dai_link_component for aux_dev 2019-08-09 18:12:32 +01:00
samsung ASoC: samsung: tm2_wm5110: use snd_soc_dai_link_component for aux_dev 2019-08-09 18:12:35 +01:00
sh ASoC: rsnd: Support hw_free() callback at DAI level 2019-07-23 18:14:13 +01:00
sirf ASoC: sirf: use devm_platform_ioremap_resource() to simplify code 2019-07-31 12:05:39 +01:00
sof ASoC: SOF: fix HDA direct MMIO access 2019-08-13 12:41:04 +01:00
spear ASoC: spear: use devm_platform_ioremap_resource() to simplify code 2019-07-31 12:06:18 +01:00
sprd ASoC: Remove dev_err() usage after platform_get_irq() 2019-08-02 12:12:31 +01:00
sti ASoC: Remove dev_err() usage after platform_get_irq() 2019-08-02 12:12:31 +01:00
stm ASoC: Remove dev_err() usage after platform_get_irq() 2019-08-02 12:12:31 +01:00
sunxi ASoC: sunxi: sun4i-codec: use snd_soc_dai_link_component for aux_dev 2019-08-09 18:12:35 +01:00
tegra ASoC: tegra: use devm_platform_ioremap_resource() to simplify code 2019-07-31 12:03:41 +01:00
ti ASoC: ti: Fix typos in ti/Kconfig 2019-08-13 12:40:33 +01:00
txx9 Linux 5.2-rc6 2019-06-26 12:39:34 +01:00
uniphier ASoC: Remove dev_err() usage after platform_get_irq() 2019-08-02 12:12:31 +01:00
ux500 ASoC: ux500: mop500: consider CPU-Platform possibility 2019-06-28 15:19:55 +01:00
xilinx ASoC: Remove dev_err() usage after platform_get_irq() 2019-08-02 12:12:31 +01:00
xtensa ASoC: Remove dev_err() usage after platform_get_irq() 2019-08-02 12:12:31 +01:00
zte ASoC: zx-tdm: remove redundant assignment to ts_width on error return path 2019-08-01 13:56:26 +01:00
Kconfig ASoC: remove w90x900/nuc900 platform drivers 2019-08-12 14:00:29 +01:00
Makefile ASoC: remove w90x900/nuc900 platform drivers 2019-08-12 14:00:29 +01:00
soc-ac97.c ASoC: ac97: convert to SPDX identifiers 2018-07-02 10:56:09 +01:00
soc-acpi.c ASoC: soc-acpi: fix implicit header use of module.h/export.h 2019-05-08 18:06:28 +09:00
soc-component.c ASoC: soc-component: add snd_soc_pcm_component_pcm_free() 2019-08-05 16:27:16 +01:00
soc-compress.c ASoC: core: Move pcm_mutex up to card level from snd_soc_pcm_runtime 2019-08-15 15:07:43 +01:00
soc-core.c ASoC: core: Move pcm_mutex up to card level from snd_soc_pcm_runtime 2019-08-15 15:07:43 +01:00
soc-dai.c ASoC: soc-dai: move snd_soc_dai_stream_valid() to soc-dai.c 2019-07-23 18:14:26 +01:00
soc-dapm.c ASoC: dapm: Invalidate only paths reachable for a given stream 2019-08-12 14:01:59 +01:00
soc-devres.c ASoC: soc-devres.c: convert to SPDX identifiers 2018-07-02 10:55:22 +01:00
soc-generic-dmaengine-pcm.c ASoC: More changes for v5.1 2019-02-28 13:30:55 +01:00
soc-io.c ASoC: soc-io.c: convert to SPDX identifiers 2018-07-02 10:53:55 +01:00
soc-jack.c ASoC: add soc-component.c 2019-08-05 16:16:19 +01:00
soc-ops.c ASoC: Fix UBSAN warning at snd_soc_get/put_volsw_sx() 2018-09-11 11:58:52 +01:00
soc-pcm.c ASoC: core: Move pcm_mutex up to card level from snd_soc_pcm_runtime 2019-08-15 15:07:43 +01:00
soc-topology.c ASoC: topology: fix memory leaks on sm, se and sbe 2019-06-28 15:08:49 +01:00
soc-utils.c ASoC: add soc-component.c 2019-08-05 16:16:19 +01:00