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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.
simple_util_remove() returned zero unconditionally. Make it return void
instead and convert all users to struct platform_device::remove_new().
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Herve Codina <herve.codina@bootlin.com>
Link: https://lore.kernel.org/r/20231013221945.1489203-13-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
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The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it was merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. They also include platform_device.h
and of.h. As a result, there's a pretty much random mix of those include
files used throughout the tree. In order to detangle these headers and
replace the implicit includes with struct declarations, users need to
explicitly include the correct includes.
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@tuxon.dev> # for at91
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20231006-dt-asoc-header-cleanups-v3-1-13a4f0f7fee6@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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For the benefit of CI.
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ASoC is now unified asoc_xxx() into snd_soc_xxx().
This patch convert asoc_xxx() to snd_soc_xxx().
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87h6o0qnho.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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asoc_simple_probe() is used for both "DT probe" (A) and "platform probe"
(B). It uses "goto err" when error case, but it is not needed for
"platform probe" case (B). Thus it is using "return" directly there.
static int asoc_simple_probe(...)
{
^ if (...) {
| ...
(A) if (ret < 0)
| goto err;
v } else {
^ ...
| if (ret < 0)
(B) return -Exxx;
v }
...
^ if (ret < 0)
(C) goto err;
v ...
err:
(D) simple_util_clean_reference(card);
return ret;
}
Both case are using (C) part, and it calls (D) when err case.
But (D) will do nothing for (B) case.
Because of these behavior, current code itself is not wrong,
but is confusable, and more, static analyzing tool will warning on
(B) part (should use goto err).
To avoid static analyzing tool warning, this patch uses "goto err"
on (B) part.
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87o7hy7mlh.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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If CPU/Codec driver keeps its DAI node, we can directly identify actual
DAI by using snd_soc_get_dai_via_args().
This means we can use multi Component.
This patch enables multi Component support for Simple Card
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/878rboo943.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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An additional-devs subnode can be present in the simple-card top node.
This subnode is used to declared some "virtual" additional devices.
Create related devices from this subnode and avoid this subnode presence
to interfere with the already supported subnodes analysis.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/20230623085830.749991-14-herve.codina@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Current ASoC has snd_soc_{of_}get_dai_name() to get DAI name
for dlc (snd_soc_dai_link_component).
But we now can use snd_soc_{of_}get_dlc() for it. Let's use it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87fs6mdgmc.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Current snd_soc_of_get_dai_name() doesn't accept index
for #sound-dai-cells. It is not useful for user.
This patch adds it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87pm5qdgng.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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In the error path, a of_node_put() for platform is missing.
Just add it.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/20230523151223.109551-9-herve.codina@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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It is missing of_node_put() for platform.
This patch fixup it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87ilerjcvr.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Basically CPU and Platform are different Component, but if CPU is using
soc-generic-dmaengine-pcm, same dev will be shared between CPU and
Platform, and Simple Card had been supporting it.
When we focus to clean up Simple Card driver, we tend to remove platforms
if no Platform was selected, but it is wrong because of above reasons.
This patch adds comment why we shouldn't remove platforms.
In case of CPU is not using soc-generic-dmaengine-pcm, CPU and Platform
will be duplicated, but it will be ignored by snd_soc_rtd_add_component().
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/875yattwqv.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add a generic way to create jack inputs for auxiliary jack detection
drivers (e.g. via i2c, spi), which are not part of any real codec.
The simple-card can be used as combining card driver to add the jacks,
no new one is required.
Create a jack (for input-events) for jack devices in the auxiliary
device list (aux_devs). A device which returns a valid value on
get_jack_type counts as jack device; set_jack is required
to add the jack to the device.
Signed-off-by: Astrid Rost <astrid.rost@axis.com>
Link: https://lore.kernel.org/r/20230123135913.2720991-3-astrid.rost@axis.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The "convert-xxx" properties only have an effect for DPCM DAI links.
A DAI link is only created as DPCM if the device tree requires it;
part of this involves checking for the use of "convert-xxx" properties.
When the convert-sample-format property was added, the checks got out
of sync. A DAI link that specified only convert-sample-format but did
not pass any of the other DPCM checks would not go into DPCM mode and
the convert-sample-format property would be silently ignored.
Fix this by adding a function to do the "convert-xxx" property checks,
instead of open-coding it in simple-card and audio-graph-card. And add
"convert-sample-format" to the check function so that DAI links using
it will be initialized correctly.
Fixes: 047a05366f4b ("ASoC: simple-card-utils: Fixup DAI sample format")
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@gmail.com>
Acked-by: Sameer Pujar <spujar@nvidia.com>
Link: https://lore.kernel.org/r/20221019012302.633830-1-aidanmacdonald.0x0@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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A previous change to simple-card resulted in asoc_simple_parse_dai
attempting to retrieve the dai_name for platform components, which are
unlikely to have a valid DAI name. This caused simple-card to fail to
probe when using the xlnx_formatter_pcm as the platform component, since
it does not register any DAI components.
Since the dai_name is not used for platform components, just skip trying
to retrieve it for those.
Fixes: f107294c6422 ("ASoC: simple-card: support snd_soc_dai_link_component style for cpu")
Signed-off-by: Robert Hancock <robert.hancock@calian.com>
Link: https://lore.kernel.org/r/20220107214711.1100162-6-robert.hancock@calian.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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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/20211214020843.2225831-15-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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alsa-ucm groups by driver name so fill that in as well. Otherwise the
presented information is redundant and doesn't reflect the used
driver. We can't just use 'asoc-simple-card' since the driver name is
restricted to 15 characters.
Before:
# cat /proc/asound/cards
0 [Devkit ]: Librem_5_Devkit - Librem 5 Devkit
Librem 5 Devkit
After:
0 [Devkit ]: simple-card - Librem 5 Devkit
Librem 5 Devkit
Signed-off-by: Guido Günther <agx@sigxcpu.org>
Link: https://lore.kernel.org/r/YNGe3akAntQi8qJD@qwark.sigxcpu.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Original commit 434392271afcff350fe ("ASoC: simple-card: add
simple_link_init()") are rejected, and this is remake version of it.
This patch adds simple_link_init() and share dai_link setting code.
Reported-by: "kernelci.org bot" <bot@kernelci.org>
Fixes: 25c4a9b614f101bb9f3 ("ASoC: simple-card: Fix breakage on kontron-sl28-var3-ads2")
Fixes: 434392271afcff350fe ("ASoC: simple-card: add simple_link_init()")
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Michael Walle <michael@walle.cc>
Link: https://lore.kernel.org/r/87fsyuax1g.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Original commit 59c35c44a9cf89a83a9 ("ASoC: simple-card: add
simple_parse_node()") was reverted, and this is remake version.
Parse dai/tdm/clk are common for both CPU/Codec node.
This patch creates simple_parse_node() for it and share the code.
Reported-by: "kernelci.org bot" <bot@kernelci.org>
Fixes: 25c4a9b614f101bb9f3 ("ASoC: simple-card: Fix breakage on kontron-sl28-var3-ads2")
Fixes: 59c35c44a9cf89a83a9 ("ASoC: simple-card: add simple_parse_node()")
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Michael Walle <michael@walle.cc>
Link: https://lore.kernel.org/r/87h7jaax2k.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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A KernelCI bisection identified 59c35c44a9cf89 "ASoC: simple-card: add
simple_parse_node()" as causing simple-card to fail to instantiate on
kontron-sl28-var3-ads2 systems. Since the merge window is expected to
open over the weekend drop that commit and subsequent ones which depend
on it for now in case other systems are affected too.
The boot log showed the error as:
<4>[ 9.948821] sysfs: cannot create duplicate filename '/devices/platform/sound/(null)-wm8904-hifi'
(backtrace)
<3>[ 10.191982] kobject_add_internal failed for (null)-wm8904-hifi with -EEXIST, don't try to register things with the same name in the same directory.
The dropped commits are:
73371bacf0475a20ab6 "ASoC: audio-graph: tidyup graph_dai_link_of_dpcm()"
434392271afcff350fe "ASoC: simple-card: add simple_link_init()"
59c35c44a9cf89a83a9 "ASoC: simple-card: add simple_parse_node()"
Reported-by: Guillaume Tucker <guillaume.tucker@collabora.com>
Reported-by: "kernelci.org bot" <bot@kernelci.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This patch adds simple_link_init() and share dai_link setting code.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87bla8i41b.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Parse dai/tdm/clk are common for both CPU/Codec node.
This patch creates simple_parse_node() for it and share the code.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87czuoi41f.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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audio-graph-card2 can reuse audio_graph_remove() / asoc_simple_remove().
This patch moves it to simple-card-utils.c.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87y2df3uby.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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struct link_info can grow fairly large and may cause the stack frame
size to be exceeded when allocated on the stack. Some architectures
such as 32-bit ARM, RISC-V or PowerPC have small stack frames where
this causes a compiler warning, so allocate these structures on the
heap instead of the stack.
Fixes: 343e55e71877 ("ASoC: simple-card-utils: Increase maximum number of links to 128")
Reported-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/20210419164117.1422242-1-thierry.reding@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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On Tegra186 and later, the number of links can go up to 72, so bump the
maximum number of links to the next power of two (128).
Fixes: f2138aed231c ("ASoC: simple-card-utils: enable flexible CPU/Codec/Platform")
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20210416071147.2149109-2-thierry.reding@gmail.com
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The DAI counting code doesn't propagate errors when the number of
maximum links is exceeded, which causes subsequent initialization code
to continue to run and that eventually leads to memory corruption with
the code trying to access memory that is out of bounds.
Fix this by propagating errors when the maximum number of links is
reached, which ensures that the driver fails to load and prevents the
memory corruption.
Fixes: f2138aed231c ("ASoC: simple-card-utils: enable flexible CPU/Codec/Platform")
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20210416071147.2149109-1-thierry.reding@gmail.com
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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We shouldn't use dai_props->cpus/codecs directly,
because these are array now to supporting multi CPU/Codec/Platform.
This patch uses simple_props_to_xxx() macro for it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87mtu1zs9i.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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We shouldn't use dai_link->cpus/codecs/platforms directly,
because these are array now to supporting multi CPU/Codec/Platform.
This patch uses asoc_link_to_xxx() macro for it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87o8ehzs9n.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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commit d9ffff696c5b4 ("ASoC: simple-card: Use snd_soc_of_parse_aux_devs()")
switched to use snd_soc_of_parse_aux_devs() on simple_parse_of().
Thus noone is using *top anymore. Let's cleanup unused variable.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87pmyxzs9w.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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dev is not used. This patch removes it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87eefgwf8j.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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asoc_simple_canonicalize_cpu/platform()
Current asoc_simple_canonicalize_cpu/platform() is assuming single CPU,
single Platform, but we want to support Multi support.
This patch is prepare for it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87im4swf8y.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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ASoC is now supporting multi DAI, but, current
simple-card / audio-graph are assuming fixed single DAI.
Now, asoc_simple_parse_xxx() macro is assuming single DAI.
To support multi-CPU/Codec, this patch unpack asoc_simple_parse_xxx()
macro, and uses "&dai_link->cpus[i]" instead of "dai_link->cpus".
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87pmz0wf9u.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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li->dais is same as number of CPU + Codec,
li->conf is same as number of Codec when dummy-Codec.
li->dais/li->conf are no longer needed.
This patch removes these.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87sg3wwfa3.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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We couldn't setup dai_props cpu_dai/codec_dai at the initial timing,
because "counting DAIs loop" and "detecting DAIs loop" were different.
But we can do it now, because these are using same loops.
This patch setups dai_props cpu_dai/codec_dai at the initial timing.
It can removes triky code from simple-card / audio-graph.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87tuocwfa8.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Current simple-card / audio-graph creates 1xCPU + 1xCodec + 1xPlatform
for all dai_link, but some of them is not needed.
For example Platform is not needed for DPCM BE case.
Moreover, we can share snd-soc-dummy DAI for CPU-dummy / dummy-Codec
in DPCM.
This patch adds dummy DAI and share it when DPCM case,
I beliave it can contribute to reduce memory.
By this patch, CPU-dummy / dummy-CPU are set at asoc_simple_init_priv(),
thus, its settings are no longer needed at DPCM detecting timing
on simple-card / audio-graph.
Moreover, we can remove triky Platform settings code for DPCM BE,
because un-needed Platform is not created.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87tuoqod22.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Current simple-card / audio-graph are assuming fixed
single-CPU/Codec/Platform.
This patch prepares multi-CPU/Codec/Platform support.
Note is that it is not yet full-multi-support.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87v996od2c.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The 'single_cpu' local variable is assigned by asoc_simple_parse_dai()
and later used in a asoc_simple_canonicalize_cpu() call, assuming the
entire function did not exit on errors.
However the first function returns 0 if passed device_node is NULL,
thus leaving the variable uninitialized and reporting success.
Addresses-Coverity: Uninitialized scalar variable
Fixes: 8f7f298a3337 ("ASoC: simple-card-utils: separate asoc_simple_card_parse_dai()")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Sameer Pujar <spujar@nvidia.com>
Link: https://lore.kernel.org/r/20210407092027.60769-1-krzysztof.kozlowski@canonical.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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simple-card checks DT links 2 times. 1st is for counting DAIs / links
to allocating memory, 2nd is for detecting DAIs.
To detecting DAIs as CPU-dummy -> dummy-Codec order when DPCM case,
it uses loops 2 times.
Because of this kind of complex background, it needs to use local
varuable for it, and each call-back functions need to care about it.
Now, 1st and 2nd DT link check are using same order,
thus we can share same code. This patch do it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/875z1e1tov.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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simple-card checks DT links 2 times. 1st is for counting DAIs / links
to allocating memory, 2nd is for detecting DAIs.
To detecting DAIs as CPU-dummy -> dummy-Codec order when DPCM case,
it uses loops 2 times at 2nd DT link check.
But it doesn't do it at 1st DT link check.
for (li.cpu = 1; li.cpu >= 0; li.cpu--) {
/*
* Detect all CPU first, and Detect all Codec 2n
*
* In Normal sound case, all DAIs are detected
* as "CPU-Codec".
*
* In DPCM sound case,
* all CPUs are detected as "CPU-dummy", and
* all Codecs are detected as "dummy-Codec".
* To avoid random sub-device numbering,
* detect "dummy-Codec" in last;
*/
ret = simple_for_each_link(...);
...
}
To prepare supporting multi-CPU/Codec, and code cleanup,
this patch use same loop for 1st DT link check, too.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/877dlu1tp2.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use the new common snd_soc_of_parse_aux_devs() helper function
to parse auxiliary devices from the device tree. The code is slightly
different but the binding that is parsed is exactly the same.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Link: https://lore.kernel.org/r/20200801100257.22658-2-stephan@gerhold.net
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add a helper to walk through all the DAIs and set dpcm_playback and
dpcm_capture flags based on the DAIs capabilities, and use this helper
to avoid setting these flags arbitrarily in generic cards.
The commit referenced in the Fixes tag did not introduce the
configuration issue but will prevent the card from probing when
detecting invalid configurations.
Fixes: b73287f0b0745 ('ASoC: soc-pcm: dpcm: fix playback/capture checks')
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Link: https://lore.kernel.org/r/20200707210439.115300-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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In normal sound case all DAIs are detected as CPU-Codec.
simple_dai_link_of supports the presence of a platform but it counts
it as a CPU DAI resulting in the creation of an extra link.
Adding a platform property to a link description like:
simple-audio-card,dai-link {
cpu {
sound-dai = <&sai1>;
};
plat {
sound-dai = <&dsp>;
};
codec {
sound-dai = <&wm8960>;
}
will result in the creation of two links:
* sai1 <-> wm8960
* dsp <-> wm8960
which is obviously not what we want. We just want one single link
with:
* sai1 <-> wm8960 (and platform set to dsp).
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/20191209135353.17427-1-daniel.baluta@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The comment is wrong.
This patch fixup it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Link: https://lore.kernel.org/r/87ftju67pi.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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ALSA SoC try to rebind Sound Card if Card/CPU/Codec/Platform
were unbinded and re-binded again.
But, Simple Card might can't rebind again if user do for example
unbind CPU or Codec driver
bind CPU or Codec driver
Because Simple Card is still pointing old/unbinded
CPU or Codec driver's DAI name at dlc->dai_name.
To avoid this issue, it needs to alloc memory and keep DAI name
even though if CPU or Codec driver was unbinded.
Or, always do unbind/bind at Sound Card.
For now, this patch indicates this issue as FIXME.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87tv9tu75x.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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We can use snd_soc_dai_link_component to specify aux_dev.
Let's use it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87wofo6wc1.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The codec variable is still being used after the of_node_put() call,
which may result in use-after-free.
Fixes: d947cdfd4be2 ("ASoC: simple-card: cleanup DAI link loop method - step1")
Link: https://lore.kernel.org/r/1562743509-30496-3-git-send-email-wen.yang99@zte.com.cn
Signed-off-by: Wen Yang <wen.yang99@zte.com.cn>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The node variable is still being used after the of_node_put() call,
which may result in use-after-free.
Fixes: cfc652a73331 ("ASoC: simple-card: tidyup prefix for snd_soc_codec_conf")
Link: https://lore.kernel.org/r/1562743509-30496-2-git-send-email-wen.yang99@zte.com.cn
Signed-off-by: Wen Yang <wen.yang99@zte.com.cn>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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ASoC supports modern style dai_link (= snd_soc_dai_link_component) for
CPU. legacy style dai_link (= cpu_dai_name, cpu_name, cpu_of_node) are
no longer needed.
This patch switches to modern style.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Revert commit 069d037aea98 ("ASoC: simple-card: Fix configuration of
DAI format"). During further review, it turns out that the actual issue
was caused by an incorrectly formatted device-tree node describing the
soundcard.
The following is incorrect because the simple-audio-card
'bitclock-master' and 'frame-master' properties should not reference the
actual codec phandle ...
sound {
compatible = "simple-audio-card";
...
=> simple-audio-card,bitclock-master = <&codec>;
=> simple-audio-card,frame-master = <&codec>;
...
simple-audio-card,cpu {
sound-dai = <&xxx>;
};
simple-audio-card,codec {
=> sound-dai = <&codec>;
};
};
Rather, these properties should reference the phandle to the
'simple-audio-card,codec' property as shown below ...
sound {
compatible = "simple-audio-card";
...
=> simple-audio-card,bitclock-master = <&codec>;
=> simple-audio-card,frame-master = <&codec>;
...
simple-audio-card,cpu {
sound-dai = <&xxx>;
};
=> codec: simple-audio-card,codec { /* simple-card wants here */
sound-dai = <&xxx>; /* not here */
};
};
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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