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ASoC: madera: report QDSP/LPASS SSR to soundcard

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Cirrus madera codecs don't have a mechanism to report QDSP/LPASS SSR
to AP over soundcard status change. Add logic to reflect LPASS status
to soundcard, so AudioHAL can monitor and trigger necessary code on SSR.

Change-Id: I93de60b97b8baea0dc6b7cea0fee1f7a4f9219d1
Signed-off-by: Yoon (Seungyoon) Lee <w22905@motorola.com>
Reviewed-on: https://gerrit.mot.com/1219154
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Rav(CR) Vembu <raviv@motorola.com>
Submit-Approved: Jira Key
Reviewed-by: Konstantin Makariev <kmakariev@motorola.com>
This commit is contained in:
Yoon (Seungyoon) Lee 2018-08-01 11:08:41 -05:00 • committed by Seungyoon Lee
commit c8073dc181
1 changed files with 43 additions and 0 deletions
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43
sound/soc/codecs/madera-slimbus.c
View file

@ -315,6 +315,15 @@ int madera_set_channel_map(struct snd_soc_dai *dai,
return -EINVAL;
}
/*
* same reason with stashed_slim_dev, there is no clever way to link
* codec and slimbus driver on madera based platform. whenever codec
* calls slimbus driver, it will keep its client codec pointer and use
* it as a bridge to call codec related functions.
*/
if (dai->codec != NULL)
slim_set_clientdata(stashed_slim_dev, dai->codec);
if (!priv->slim_logic_addr) {
madera_slim_get_la(stashed_slim_dev, &laddr);
priv->slim_logic_addr = laddr;
@ -468,6 +477,38 @@ static int madera_slim_audio_probe(struct slim_device *slim)
return 0;
}
static int madera_slim_device_reset(struct slim_device *slim)
{
struct snd_soc_codec *codec;
if (slim == NULL)
return -EINVAL;
codec = slim_get_devicedata(slim);
if (codec != NULL) {
dev_info(&slim->dev, "%s handle SLIM RESET\n", __func__);
snd_soc_card_change_online_state(codec->component.card, 1);
}
return 0;
}
static int madera_slim_device_down(struct slim_device *slim)
{
struct snd_soc_codec *codec;
if (slim == NULL)
return -EINVAL;
codec = slim_get_devicedata(slim);
if (codec != NULL) {
dev_info(&slim->dev, "%s handle SLIM DOWN\n", __func__);
snd_soc_card_change_online_state(codec->component.card, 0);
}
return 0;
}
static struct slim_driver madera_slim_audio = {
.driver = {
.name = "madera-slim-audio",
@ -475,6 +516,8 @@ static struct slim_driver madera_slim_audio = {
},
.probe = madera_slim_audio_probe,
.id_table = madera_slim_id,
.reset_device = madera_slim_device_reset,
.device_down = madera_slim_device_down,
};
static int __init madera_slim_audio_init(void)