commit 0edb555a65d1ef047a9805051c36922b52a38a9d
Author: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
AuthorDate: Mon Oct 9 12:37:26 2023 +0200
Commit: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
CommitDate: Mon May 27 10:34:35 2024 +0200
platform: Make platform_driver::remove() return void
struct platform_driver::remove returning an integer made driver authors
expect that returning an error code was proper error handling. However
the driver core ignores the error and continues to remove the device
because there is nothing the core could do anyhow and reentering the
remove callback again is only calling for trouble.
To prevent such wrong assumptions, change the return type of the remove
callback to void. This was prepared by introducing an alternative remove
callback returning void and converting all drivers to that. So .remove()
can be changed without further changes in drivers.
This corresponds to step b) of the plan outlined in commit
5c5a7680e67b ("platform: Provide a remove callback that returns no value").
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
commit b5a95c5bf6d6953d05b2c12acc8c07783232bea9
Author: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Mon Sep 11 23:47:09 2023 +0000
ASoC: simple_card_utils.h: convert not to use asoc_xxx()
ASoC is using 2 type of prefix (asoc_xxx() vs snd_soc_xxx()),
but these are unified into snd_soc_xxx().
simple_card / audio_graph drivers are historically using
asoc_xxx() prefix too. simple_card / audio_graph are not
ASoC framework, so let's use simple_card_xxx_() / audio_graph_xxx()
for global function prefix.
This patch has asoc_xxx() as define to keep compatible.
It will be removed if all drivers were switched to new style.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87edj4s26a.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
commit 1d5a2b5dd0a8d2b2b535b5266699429dbd48e62f
Author: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Mon Sep 11 23:47:02 2023 +0000
ASoC: soc.h: convert asoc_xxx() to snd_soc_xxx()
ASoC is using 2 type of prefix (asoc_xxx() vs snd_soc_xxx()), but there
is no particular reason about that [1].
To reduce confusing, standarding these to snd_soc_xxx() is sensible.
This patch adds asoc_xxx() macro to keep compatible for a while.
It will be removed if all drivers were switched to new style.
Link: https://lore.kernel.org/r/87h6td3hus.wl-kuninori.morimoto.gx@renesas.com [1]
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87fs3ks26i.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
commit 3c8b5861850c734add65233e538d4a8c2dff95d9
Author: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Tue Jun 20 02:14:11 2023 +0000
ASoC: soc-core.c: add index on snd_soc_of_get_dai_name()
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>
commit 99fddc1618ff64cc71bd51dbf83bd13e74778fe0
Merge: 72456c24c8357 1ea63f29c2771
Author: Mark Brown <broonie@kernel.org>
Date: Wed Apr 5 16:35:09 2023 +0100
ASoC: clarify Codec2Codec params
Merge series from Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>:
ASoC is supporting Codec2Codec, but its parameter name is
"params" and "num_params" which are very unclear naming.
This patch-set clarifies it by replacing to c2c_params / num_c2c_params.
commit 1ea63f29c27712d6b9c45af67cd71299d849c5e3
Author: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Sun Apr 2 23:00:17 2023 +0000
ASoC: soc.h: remove unused params/num_params
No drivers are using params/num_params any more.
Let's remove these.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87iledc2ke.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
commit e7a73b05542d82e209af450dd90b730255f6e775
Author: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Sun Apr 2 23:00:07 2023 +0000
ASoC: samsung: switch to use c2c_params instead of params
ASoC is now using c2c_params instead of params. This patch replace it.
num_c2c_params (was num_params) was not mandatory before,
but let's set it by this patch.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87jzytc2kp.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
commit 433f4a1697fae78c34377de1ef3abd26aec8214e
Author: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Sun Apr 2 22:59:57 2023 +0000
ASoC: meson: switch to use c2c_params instead of params
ASoC is now using c2c_params instead of params. This patch replace it.
num_c2c_params (was num_params) was not mandatory before,
but let's set it by this patch.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87lej9c2ky.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
commit 7ddc7f91beb285246e926e3adf0b292b071aea33
Author: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Sun Apr 2 22:59:35 2023 +0000
ASoC: soc.h: clarify Codec2Codec params
snd_soc_dai_link has params/num_params, but it is unclear that
params for what. This patch clarify it is params for Codec2Codec.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87o7o5c2lk.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
commit 3653480c68120dc16ebfeb80e529200dbbd98f92
Author: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Tue Jan 31 02:02:04 2023 +0000
ASoC: soc-dai.h: cleanup Playback/Capture data for snd_soc_dai
Current snd_soc_dai has data for Playback/Capture, but it is very
random. Someone is array (A), someone is playback/capture (B),
and someone is tx/rx (C);
struct snd_soc_dai {
...
(A) unsigned int stream_active[SNDRV_PCM_STREAM_LAST + 1];
(B) struct snd_soc_dapm_widget *playback_widget;
(B) struct snd_soc_dapm_widget *capture_widget;
(B) void *playback_dma_data;
(B) void *capture_dma_data;
...
(C) unsigned int tx_mask;
(C) unsigned int rx_mask;
};
Because of it, the code was very complicated.
This patch creates new data structure to merge these into one,
and tidyup the code.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/87cz6vea1v.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
commit 28086d05ada6d03daa886aad0e469854b811311c
Author: Charles Keepax <ckeepax@opensource.cirrus.com>
Date: Thu May 19 16:43:18 2022 +0100
ASoC: simple-card-utils: Move snd_soc_component_is_codec to be local
The helper function snd_soc_component_is_codec is based off the
presence of the non_legacy_dai_naming flag. This isn't super robust
as CPU side components may also specify this flag, and indeed the
kernel already contains a couple that do. After componentisation there
isn't really a totally robust solution to identifying what is a CODEC
driver, without introducing a flag specifically for that purpose, and
really the desirable direction to move in is that the distinction
doesn't matter.
This patch does two things to try to mitigate these problems. Firstly,
now that all the other users of the helper function have been removed,
it makes the helper function local to the driver rather, than being
part of the core. This should help to discourage any new code from
being created that depends on the CODEC driver distinction. Secondly,
it updates the helper function itself to use the endianness flag
rather than the non_legacy_dai_naming flag. The endianness flag is
definitely invalid on a CPU side component, so it a more reliable
indicator that the device is definitely a CODEC. The vast majority of
buses require the CODEC to set the endianness flag, so the number of
corner cases should be fairly minimal. It is worth noting that CODECs
sending audio over SPI, or built into the CPU CODECs are potential
corner cases, however the hope is that in most cases those types of
devices do not consitute a simple audio card.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220519154318.2153729-57-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
commit e6f08af6340eaf88e9eeff71bd4533eee9a04119
Author: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Date: Sun Jun 5 17:35:37 2022 +0200
ASoC: simple-card-utils: Make asoc_simple_clean_reference() return void
asoc_simple_clean_reference() returns zero unconditionally. Letting it
return void instead makes it easier to see in the caller that there is no
error to handle.
This is a preparation for making platform remove callbacks return void.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20220605153537.26591-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
commit c826ec0391c83f06354a4ebb25c7b2480c18f33a
Author: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Mon Apr 12 08:52:45 2021 +0900
ASoC: simple-card-utils: multi support at 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.
The idea is the same as the previous attempt: calls ac101_trigger() just
before set_clock(1).
https://github.com/respeaker/seeed-voicecard/issues/290
6mics / linear 4 mics: fails to record against v5.10 kernel
https://github.com/raspberrypi/linux/issues/4279
[regression] alsa system call blocks on record between 5.4.83 and 5.5.19
In v5.5,
commit 4378f1fbe924054a09ff0d4e39e1a581b9245252
Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
Date: Fri Sep 27 10:16:46 2019 +0300
ASoC: soc-pcm: Use different sequence for start/stop trigger
On stream stop currently we stop the DMA first followed by the CPU DAI.
This can cause underflow (playback) or overflow (capture) on the DAI side
as the DMA is no longer feeding data while the DAI is still active.
It can be observed easily if the DAI side does not have FIFO (or it is
disabled) to survive the time while the DMA is stopped, but still can
happen on relatively slow CPUs when relatively high sampling rate is used:
the FIFO is drained between the time the DMA is stopped and the DAI is
stopped.
It can only fixed by using different sequence within trigger for 'stop' and
'start':
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
Trigger order: dai_link, DMA, CPU DAI then the codec
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
Trigger order: codec, CPU DAI, DMA then dai_link
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20190927071646.22319-1-peter.ujfalusi@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Need to revisit, and do in a different way.
https://github.com/respeaker/seeed-voicecard/issues/290
6mics / linear 4 mics: fails to record against v5.10 kernel
https://github.com/raspberrypi/linux/issues/4279
[regression] alsa system call blocks on record between 5.4.83 and 5.5.19
In v5.5,
commit 4378f1fbe924054a09ff0d4e39e1a581b9245252
Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
Date: Fri Sep 27 10:16:46 2019 +0300
ASoC: soc-pcm: Use different sequence for start/stop trigger
On stream stop currently we stop the DMA first followed by the CPU DAI.
This can cause underflow (playback) or overflow (capture) on the DAI side
as the DMA is no longer feeding data while the DAI is still active.
It can be observed easily if the DAI side does not have FIFO (or it is
disabled) to survive the time while the DMA is stopped, but still can
happen on relatively slow CPUs when relatively high sampling rate is used:
the FIFO is drained between the time the DMA is stopped and the DAI is
stopped.
It can only fixed by using different sequence within trigger for 'stop' and
'start':
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
Trigger order: dai_link, DMA, CPU DAI then the codec
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
Trigger order: codec, CPU DAI, DMA then dai_link
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20190927071646.22319-1-peter.ujfalusi@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
commit fe7ed4dec2e6289eab81dd18c0d613c0851d85a1
Author: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Mon Jan 21 16:40:59 2019 +0900
ASoC: simple-card: rename to asoc_simple_card_canonicalize_platform()
Current simple-card is using asoc_simple_card_canonicalize_dailink().
Its naming is "dailink", but is for "platform".
We already have asoc_simple_card_canonicalize_cpu() for "cpu",
let's follow same naming rule.
It never return error, so, void function is better idea.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
commit 95cfc0a0aaf575207152dd7601e782702565a6f1
Author: Samuel Holland <samuel@sholland.org>
Date: Wed Mar 4 23:11:43 2020 -0600
ASoC: simple-card: Add support for codec2codec DAI links
Following the example in cb2cf0de1174 ("ASoC: soc-core: care Codec <->
Codec case by non_legacy_dai_naming"), determine if a DAI link contains
only codec DAIs by examining the non_legacy_dai_naming flag in each
DAI's component.
For now, we assume there is only one or a small set of valid PCM stream
parameters, so num_params == 1 is good enough. We also assume that the
same params are valid for all supported streams. params is set to the
subset of parameters common among all DAIs, and then the existing code
automatically chooses the highest quality of the remaining values when
the link is brought up.
commit 0580dde59438686d60762b6da9229ebec693b94f
Author: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Wed Mar 20 13:54:42 2019 +0900
ASoC: simple-card-utils: add asoc_simple_debug_info()
Current simple-card-utils has dev_dbg(), but people want to
add #define DEBUG at simple-card/audio-graph, not simple-card-utils.
And, people want to get all information.
This patch adds new asoc_simple_debug_info() to indicates information.
See, for example,
commit b78b30e32a19f1ac79c26e0a3e9f7bc7385a02a2
Author: j-schambacher <joerg@i2audio.com>
Date: Tue May 19 13:56:17 2020 +0200
Switch to snd_soc_dai_set_bclk_ratio
Replaces obsolete function snd_soc_dai_set_tdm_slot
The "sysclk = 24000000" value is supposed to come from the "clock-frequency"
field of ac108_mclk / ac10x_mclk, but somehow it isn't on 5.4 (vs 4.19). This
is a temporary work-around. For some strange unknown reasons, this affects
only the square 4-mic device, but not the linear 4-mic nor the 6-mics device.
The other two devices have two ac108's, and seem to work fine without it.
In v4.19:
seeed_voice_card_probe [snd_soc_seeed_voicecard]
-> devm_snd_soc_register_card [snd_soc_core]
-> snd_soc_register_card [snd_soc_core]
-> seeed_voice_card_dai_init [snd_soc_seeed_voicecard]
-> asoc_simple_card_init_dai [snd_soc_simple_card_utils]
-> snd_soc_dai_set_sysclk [snd_soc_core]
-> ac108_set_sysclk [snd_soc_ac108]
In 5.4:
seeed_voice_card_probe [snd_soc_seeed_voicecard]
-> devm_snd_soc_register_card [snd_soc_core]
-> snd_soc_register_card [snd_soc_core]
-> snd_soc_instantiate_card [snd_soc_core]
-> seeed_voice_card_dai_init [snd_soc_seeed_voicecard]
-> asoc_simple_init_dai.part.0 [snd_soc_seeed_voicecard]
-> snd_soc_dai_set_sysclk [snd_soc_core]
-> ac108_set_sysclk [snd_soc_ac108]
Which results in the "ac108_set_sysclk :24000000" kernel message.
Note the extra snd_soc_instantiate_card(), and the copied/renamed
asoc_simple_init_dai() - it became static and not-available to other drivers
in v5.x.
See https://github.com/respeaker/seeed-voicecard/issues/246
It was made private in v5.2:
commit ad934ca8010843482d61fda46786449a9bc99e10
Author: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Wed Mar 20 13:55:52 2019 +0900
ASoC: simple-card-utils: share asoc_simple_dai_init()
The init code was extracted into asoc_simple_card_init_priv(), with
additional comments.
commit 65a5056b21202eff7f54243e587183f4bb6ed352
Author: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Wed Mar 20 13:56:26 2019 +0900
ASoC: simple-card-utils: share asoc_simple_card_init_priv()
The difference between simple-card / audio-graph are just using
OF graph style, or not. In other words, other things should be same.
This means, simple-card/audio-graph common functions should be
implemented at simple-card-utils, and its own functions should be
implemented at each files.
Current simple-card / audio-graph are initializing each priv,
but it is same operation.
This patch adds new asoc_simple_card_init_priv() and initialize
priv by same operation.
commit f107294c6422e772773b53dbf802186175b6289e
Author: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Thu Jun 6 13:07:35 2019 +0900
ASoC: simple-card: support snd_soc_dai_link_component style for cpu
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.
commit 910fdcabedd2354d161b1beab6ad7dc7e859651d
Author: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Mon Jan 21 09:32:32 2019 +0900
ASoC: soc-core: add .num_platform for dai_link
Current snd_soc_dai_link is starting to use snd_soc_dai_link_component
(= modern) style for Platform, but it is still assuming single Platform
so far. We will need to have multi Platform support in the not far
future.
Currently only simple card is using it as sound card driver,
and other drivers are converted to it from legacy style by
snd_soc_init_platform().
To avoid future problem of multi Platform support, let's add
num_platforms before it is too late.
In the same time, to make it same naming mothed, "platform" should
be "platforms". This patch fixup it too.
commit e58f41e41185c6906bd11c73c4e76aa5fc3ea685
Author: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Fri Aug 31 03:10:33 2018 +0000
ASoC: simple-card: support snd_soc_dai_link_component style for platform
Current ASoC is supporting snd_soc_dai_link_component for binding,
it is more useful than current legacy style.
Currently only codec is supporting it as multicodec (= codecs).
CPU will support multi style in the future.
We want to have it on Platform too in the future.
If all Codec/CPU/Platform are replaced into snd_soc_dai_link_component
style, we can remove legacy complex style.
This patch supports snd_soc_dai_link_component style
for simple-card for platform.
commit 710af9196ce614ee02185c2ec55e617a71843183
Author: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Fri Aug 31 03:08:24 2018 +0000
ASoC: simple-card: support snd_soc_dai_link_component style for codec
Current ASoC is supporting snd_soc_dai_link_component for binding,
it is more useful than current legacy style.
Currently only codec is supporting it as multicodec (= codecs).
CPU will support multi style in the future.
We want to have it on Platform too in the future.
If all Codec/CPU/Platform are replaced into snd_soc_dai_link_component
style, we can remove legacy complex style.
This patch supports snd_soc_dai_link_component style
for simple-card for codec.
It was made private in v5.2:
commit ad934ca8010843482d61fda46786449a9bc99e10
Author: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Wed Mar 20 13:55:52 2019 +0900
ASoC: simple-card-utils: share asoc_simple_dai_init()
The init code was extracted into asoc_simple_card_init_priv(), with
additional comments.
commit 65a5056b21202eff7f54243e587183f4bb6ed352
Author: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Wed Mar 20 13:56:26 2019 +0900
ASoC: simple-card-utils: share asoc_simple_card_init_priv()
The difference between simple-card / audio-graph are just using
OF graph style, or not. In other words, other things should be same.
This means, simple-card/audio-graph common functions should be
implemented at simple-card-utils, and its own functions should be
implemented at each files.
Current simple-card / audio-graph are initializing each priv,
but it is same operation.
This patch adds new asoc_simple_card_init_priv() and initialize
priv by same operation.
commit f107294c6422e772773b53dbf802186175b6289e
Author: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Thu Jun 6 13:07:35 2019 +0900
ASoC: simple-card: support snd_soc_dai_link_component style for cpu
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.
commit 910fdcabedd2354d161b1beab6ad7dc7e859651d
Author: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Mon Jan 21 09:32:32 2019 +0900
ASoC: soc-core: add .num_platform for dai_link
Current snd_soc_dai_link is starting to use snd_soc_dai_link_component
(= modern) style for Platform, but it is still assuming single Platform
so far. We will need to have multi Platform support in the not far
future.
Currently only simple card is using it as sound card driver,
and other drivers are converted to it from legacy style by
snd_soc_init_platform().
To avoid future problem of multi Platform support, let's add
num_platforms before it is too late.
In the same time, to make it same naming mothed, "platform" should
be "platforms". This patch fixup it too.
commit e58f41e41185c6906bd11c73c4e76aa5fc3ea685
Author: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Fri Aug 31 03:10:33 2018 +0000
ASoC: simple-card: support snd_soc_dai_link_component style for platform
Current ASoC is supporting snd_soc_dai_link_component for binding,
it is more useful than current legacy style.
Currently only codec is supporting it as multicodec (= codecs).
CPU will support multi style in the future.
We want to have it on Platform too in the future.
If all Codec/CPU/Platform are replaced into snd_soc_dai_link_component
style, we can remove legacy complex style.
This patch supports snd_soc_dai_link_component style
for simple-card for platform.
