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asoc: sa8155: support SSR handling for snd card status

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

Change-Id: Ie753a0edc59ca10da8d9c23f9e6c7c6244a8e8a6
Signed-off-by: Rahul Sharma <rahsha@codeaurora.org>
This commit is contained in:
Rahul Sharma
2019-02-26 16:51:30 +05:30
committed by Gerrit - the friendly Code Review server
parent 8766446f90
commit 3c95e9c53b
1 changed files with 24 additions and 1 deletions
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25
asoc/sa8155.c
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@@ -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 SOC_ENUM_SINGLE_EXT_DECL(aux_pcm_tx_format, bit_format_text);
static bool is_initial_boot = true; static bool is_initial_boot = true;
static struct platform_device *spdev;
static struct afe_clk_set mi2s_clk[MI2S_MAX] = { 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; goto err;
} }
dev_info(&pdev->dev, "Sound card %s registered\n", card->name); dev_info(&pdev->dev, "Sound card %s registered\n", card->name);
spdev = pdev;
/* Parse pinctrl info from devicetree */ /* Parse pinctrl info from devicetree */
ret = msm_get_pinctrl(pdev); 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, static int sa8155_notifier_service_cb(struct notifier_block *this,
unsigned long opcode, void *ptr) unsigned long opcode, void *ptr)
{ {
struct snd_soc_card *card = NULL;
pr_debug("%s: Service opcode 0x%lx\n", __func__, opcode); pr_debug("%s: Service opcode 0x%lx\n", __func__, opcode);
switch (opcode) { switch (opcode) {
case AUDIO_NOTIFIER_SERVICE_DOWN: 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; break;
case AUDIO_NOTIFIER_SERVICE_UP: case AUDIO_NOTIFIER_SERVICE_UP:
if (is_initial_boot) { 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); platform_device_register(&sa8155_dummy_asoc_machine_device);
is_initial_boot = false; 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; break;
default: default:
break; break;
} }
return NOTIFY_OK; return NOTIFY_OK;
} }