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Commit 743a507e authored by Karthikeyan Mani's avatar Karthikeyan Mani Committed by Gerrit - the friendly Code Review server
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asoc: msm: add workqueue to handle SSR/PDR UP notification 



Use workqueue in machine driver to handle sending AFE
configuration to DSP during SSR/PDR UP notification,
so that the response to the notification is not delayed
because of AVS not up or sound card not up.

Change-Id: If537d214cfbbe7f85b66425cbd6a762f383c05ab
Signed-off-by: default avatarKarthikeyan Mani <kmani@codeaurora.org>
parent 45e64b92

asoc/sm8150.c

+21 −7
Original line number Diff line number Diff line
@@ -167,6 +167,8 @@ struct msm_asoc_mach_data { 
	struct device_node *hph_en1_gpio_p; /* used by pinctrl API */

	struct device_node *hph_en0_gpio_p; /* used by pinctrl API */

	struct device_node *fsa_handle;

	struct snd_soc_codec *codec;

	struct work_struct adsp_power_up_work;

};



struct msm_asoc_wcd93xx_codec {
@@ -3878,6 +3880,19 @@ static int msm_adsp_power_up_config(struct snd_soc_codec *codec, 
	return ret;

}



static void msm_adsp_power_up_config_work(struct work_struct *work)

{

	struct msm_asoc_mach_data *pdata;

	struct snd_soc_codec *codec;

	struct snd_card *card;



	pdata = container_of(work, struct msm_asoc_mach_data,

			     adsp_power_up_work);

	codec = pdata->codec;

	card = codec->component.card->snd_card;

	msm_adsp_power_up_config(codec, card);

}



static int sm8150_notifier_service_cb(struct notifier_block *this,

					 unsigned long opcode, void *ptr)

{
@@ -3886,6 +3901,7 @@ static int sm8150_notifier_service_cb(struct notifier_block *this, 
	const char *be_dl_name = LPASS_BE_SLIMBUS_0_RX;

	struct snd_soc_pcm_runtime *rtd;

	struct snd_soc_codec *codec;

	struct msm_asoc_mach_data *pdata;



	pr_debug("%s: Service opcode 0x%lx\n", __func__, opcode);
@@ -3920,13 +3936,9 @@ static int sm8150_notifier_service_cb(struct notifier_block *this, 
		}

		codec = rtd->codec;



		ret = msm_adsp_power_up_config(codec, card->snd_card);

		if (ret < 0) {

			dev_err(card->dev,

				"%s: msm_adsp_power_up_config failed ret = %d!\n",

				__func__, ret);

			goto err;

		}

		pdata = snd_soc_card_get_drvdata(card);

		pdata->codec = codec;

		schedule_work(&pdata->adsp_power_up_work);

		break;

	default:

		break;
@@ -7414,6 +7426,8 @@ static int msm_asoc_machine_probe(struct platform_device *pdev) 
	dev_info(&pdev->dev, "Sound card %s registered\n", card->name);

	spdev = pdev;



	INIT_WORK(&pdata->adsp_power_up_work, msm_adsp_power_up_config_work);



	ret = of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev);

	if (ret) {

		dev_dbg(&pdev->dev, "%s: failed to add child nodes, ret=%d\n",