The patch
ASoC: soc-core: remove DAI suspend/resume
has been applied to the asoc tree at
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.6
All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted.
You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed.
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Thanks, Mark
From 450312b640f9c6caeeaf4bd8d4130f86ea27f456 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com Date: Mon, 20 Jan 2020 10:05:03 +0900 Subject: [PATCH] ASoC: soc-core: remove DAI suspend/resume
Historically, CPU and Codec were implemented different, but now it is merged as Component. ALSA SoC is supporting suspend/resume at DAI and Component level. The method is like below.
1) Suspend/Resume all CPU DAI if bus-control was 0 2) Suspend/Resume all Component 3) Suspend/Resume all CPU DAI if bus-control was 1
Historically 2) was Codec special operation. Because CPU and Codec were merged into Component, CPU suspend/resume has 3 chance to suspend(= 1/2/3), but Codec suspend/resume has 1 chance (= 2).
Here, DAI side suspend/resume is caring bus-control, but no driver which is supporting suspend/resume is setting bus-control. This means 3) was never used.
Here, used parameter for suspend/resume component->dev and dai->dev are same pointer. For that reason, we can merge DAI and Component suspend/resume. One note is that we should use 2), because it is caring BIAS level.
This patch removes 1) and 3).
Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com Link: https://lore.kernel.org/r/87r1zvx7i8.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown broonie@kernel.org --- include/sound/soc-dai.h | 2 -- sound/soc/soc-core.c | 41 ----------------------------------------- sound/soc/soc-dai.c | 12 ------------ 3 files changed, 55 deletions(-)
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index 939c73db6a03..2ccecf3e03d5 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h @@ -286,8 +286,6 @@ struct snd_soc_dai_driver { /* DAI driver callbacks */ int (*probe)(struct snd_soc_dai *dai); int (*remove)(struct snd_soc_dai *dai); - int (*suspend)(struct snd_soc_dai *dai); - int (*resume)(struct snd_soc_dai *dai); /* compress dai */ int (*compress_new)(struct snd_soc_pcm_runtime *rtd, int num); /* Optional Callback used at pcm creation*/ diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index acf6f141fd2d..b0ec3233125a 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -558,16 +558,6 @@ int snd_soc_suspend(struct device *dev) if (card->suspend_pre) card->suspend_pre(card);
- for_each_card_rtds(card, rtd) { - struct snd_soc_dai *cpu_dai = rtd->cpu_dai; - - if (rtd->dai_link->ignore_suspend) - continue; - - if (!cpu_dai->driver->bus_control) - snd_soc_dai_suspend(cpu_dai); - } - /* close any waiting streams */ snd_soc_flush_all_delayed_work(card);
@@ -639,16 +629,6 @@ int snd_soc_suspend(struct device *dev) } }
- for_each_card_rtds(card, rtd) { - struct snd_soc_dai *cpu_dai = rtd->cpu_dai; - - if (rtd->dai_link->ignore_suspend) - continue; - - if (cpu_dai->driver->bus_control) - snd_soc_dai_suspend(cpu_dai); - } - if (card->suspend_post) card->suspend_post(card);
@@ -682,17 +662,6 @@ static void soc_resume_deferred(struct work_struct *work) if (card->resume_pre) card->resume_pre(card);
- /* resume control bus DAIs */ - for_each_card_rtds(card, rtd) { - struct snd_soc_dai *cpu_dai = rtd->cpu_dai; - - if (rtd->dai_link->ignore_suspend) - continue; - - if (cpu_dai->driver->bus_control) - snd_soc_dai_resume(cpu_dai); - } - for_each_card_components(card, component) { if (snd_soc_component_is_suspended(component)) snd_soc_component_resume(component); @@ -726,16 +695,6 @@ static void soc_resume_deferred(struct work_struct *work) } }
- for_each_card_rtds(card, rtd) { - struct snd_soc_dai *cpu_dai = rtd->cpu_dai; - - if (rtd->dai_link->ignore_suspend) - continue; - - if (!cpu_dai->driver->bus_control) - snd_soc_dai_resume(cpu_dai); - } - if (card->resume_post) card->resume_post(card);
diff --git a/sound/soc/soc-dai.c b/sound/soc/soc-dai.c index 1c7f63871c1d..51031e330179 100644 --- a/sound/soc/soc-dai.c +++ b/sound/soc/soc-dai.c @@ -354,18 +354,6 @@ snd_pcm_sframes_t snd_soc_dai_delay(struct snd_soc_dai *dai, return delay; }
-void snd_soc_dai_suspend(struct snd_soc_dai *dai) -{ - if (dai->driver->suspend) - dai->driver->suspend(dai); -} - -void snd_soc_dai_resume(struct snd_soc_dai *dai) -{ - if (dai->driver->resume) - dai->driver->resume(dai); -} - int snd_soc_dai_probe(struct snd_soc_dai *dai) { if (dai->driver->probe)