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Commit 3c95e9c5 authored by Rahul Sharma's avatar Rahul Sharma Committed by Gerrit - the friendly Code Review server
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asoc: sa8155: support SSR handling for snd card status 



Add support for handling snd card status upon
SERVICE_DOWN and SERVICE_UP callback for ADSP SSR.

Change-Id: Ie753a0edc59ca10da8d9c23f9e6c7c6244a8e8a6
Signed-off-by: default avatarRahul Sharma <rahsha@codeaurora.org>
parent 8766446f

asoc/sa8155.c

+24 −1
Original line number Diff line number Diff line
@@ -691,6 +691,7 @@ static SOC_ENUM_SINGLE_EXT_DECL(aux_pcm_rx_format, bit_format_text); 
static SOC_ENUM_SINGLE_EXT_DECL(aux_pcm_tx_format, bit_format_text);



static bool is_initial_boot = true;

static struct platform_device *spdev;



static struct afe_clk_set mi2s_clk[MI2S_MAX] = {

	{
@@ -7099,6 +7100,7 @@ static int msm_asoc_machine_probe(struct platform_device *pdev) 
		goto err;

	}

	dev_info(&pdev->dev, "Sound card %s registered\n", card->name);

	spdev = pdev;



	/* Parse pinctrl info from devicetree */

	ret = msm_get_pinctrl(pdev);
@@ -7165,10 +7167,22 @@ static struct platform_driver sa8155_dummy_asoc_machine_driver = { 
static int sa8155_notifier_service_cb(struct notifier_block *this,

					 unsigned long opcode, void *ptr)

{

	struct snd_soc_card *card = NULL;



	pr_debug("%s: Service opcode 0x%lx\n", __func__, opcode);



	switch (opcode) {

	case AUDIO_NOTIFIER_SERVICE_DOWN:

		if (!spdev)

			return -EINVAL;

		card = platform_get_drvdata(spdev);

		if (card == NULL){

			pr_err("%s: card is NULL\n",__func__);

			return -EINVAL;

		} else {

			pr_debug("%s: setting snd_card to OFFLINE\n", __func__);

			snd_soc_card_change_online_state(card, 0);

		}

		break;

	case AUDIO_NOTIFIER_SERVICE_UP:

		if (is_initial_boot) {
@@ -7176,11 +7190,20 @@ static int sa8155_notifier_service_cb(struct notifier_block *this, 
			platform_device_register(&sa8155_dummy_asoc_machine_device);

			is_initial_boot = false;

		}

		if (!spdev)

			return -EINVAL;

		card = platform_get_drvdata(spdev);

		if (card == NULL){

			pr_err("%s: card is NULL\n",__func__);

			return -EINVAL;

		} else {

			pr_debug("%s: setting snd_card to ONLINE\n", __func__);

			snd_soc_card_change_online_state(card, 1);

		}

		break;

	default:

		break;

	}



	return NOTIFY_OK;

}