diff options
Diffstat (limited to 'meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0022-ASoC-Modify-check-condition-of-multiple-bindings-of-.patch')
| -rw-r--r-- | meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0022-ASoC-Modify-check-condition-of-multiple-bindings-of-.patch | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0022-ASoC-Modify-check-condition-of-multiple-bindings-of-.patch b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0022-ASoC-Modify-check-condition-of-multiple-bindings-of-.patch new file mode 100644 index 0000000..73e2150 --- /dev/null +++ b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0022-ASoC-Modify-check-condition-of-multiple-bindings-of-.patch @@ -0,0 +1,88 @@ +From 2fc4f16b075264fae016ea3db1f1f81d30cb0ab6 Mon Sep 17 00:00:00 2001 +From: Andrey Gusakov <andrey.gusakov@cogentembedded.com> +Date: Tue, 13 Dec 2016 18:08:39 +0300 +Subject: [PATCH] ASoC: Modify check condition of multiple bindings of + components + +https://patchwork.kernel.org/patch/7385501/ +...and some more hacks to bind one component (with several DAIs) +to more than one sound card. + +KF has 4 sound cards (pcm3168a, ak4613, radio, wl18xx) and just one +compinent ec500000.sound that can not be bound to all 4 cards. +This is a lack of current implementation of sound/soc/sh/rcar/* ASoC stack +The ec500000.sound resources (PCM/DMA, dais) needs to be shared between +all 4 sound cards if we want all cards work runtime. +Or we have to enable only one of them in dts file as it is designed. + +Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> +--- + sound/soc/soc-core.c | 6 ++++-- + sound/soc/soc-pcm.c | 9 +++++++++ + 2 files changed, 13 insertions(+), 2 deletions(-) + +diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c +index 16369ca..899d013 100644 +--- a/sound/soc/soc-core.c ++++ b/sound/soc/soc-core.c +@@ -1373,7 +1373,8 @@ static int soc_probe_component(struct snd_soc_card *card, + return 0; + + if (component->card) { +- if (component->card != card) { ++ if (component->card != card && ++ component->registered_as_component) { + dev_err(component->dev, + "Trying to bind component to card \"%s\" but is already bound to card \"%s\"\n", + card->name, component->card->name); +@@ -3049,7 +3050,8 @@ int snd_soc_register_component(struct device *dev, + goto err_free; + + cmpnt->ignore_pmdown_time = true; +- cmpnt->registered_as_component = true; ++ if (num_dai == 1) ++ cmpnt->registered_as_component = true; + + ret = snd_soc_register_dais(cmpnt, dai_drv, num_dai, true); + if (ret < 0) { +diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c +index f6667e4..719c866 100644 +--- a/sound/soc/soc-pcm.c ++++ b/sound/soc/soc-pcm.c +@@ -2632,11 +2632,16 @@ static void soc_pcm_free(struct snd_pcm *pcm) + { + struct snd_soc_pcm_runtime *rtd = pcm->private_data; + struct snd_soc_component *component; ++ struct snd_soc_platform *platform = rtd->platform; + + list_for_each_entry(component, &rtd->card->component_dev_list, + card_list) { ++ if (!component->registered_as_component) ++ component = &platform->component; + if (component->pcm_free) + component->pcm_free(pcm); ++ if (!component->registered_as_component) ++ break; + } + } + +@@ -2756,6 +2761,8 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num) + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &rtd->ops); + + list_for_each_entry(component, &rtd->card->component_dev_list, card_list) { ++ if (!component->registered_as_component) ++ component = &platform->component; + if (component->pcm_new) { + ret = component->pcm_new(rtd); + if (ret < 0) { +@@ -2765,6 +2772,8 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num) + return ret; + } + } ++ if (!component->registered_as_component) ++ break; + } + pcm->private_free = soc_pcm_free; + out: +-- +1.7.10.4 |