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Commit e0705ab0 authored by Meng Wang's avatar Meng Wang
Browse files

asoc: pcm-noirq: set substream state to disconnect when ssr happens 



When SSR happens, set substream state to SNDRV_PCM_STATE_DISCONNECTED
to avoid userspace keeping waiting for substream state and causing
deadlock.

Change-Id: Iaa4d76101204652742c55d13da5c770c418a16bc
Signed-off-by: default avatarMeng Wang <mengw@codeaurora.org>
parent 78fff069

asoc/msm-pcm-q6-noirq.c

+14 −0
Original line number Diff line number Diff line
@@ -153,6 +153,8 @@ static const struct soc_enum msm_pcm_fe_topology_enum[] = { 
static void event_handler(uint32_t opcode,

		uint32_t token, uint32_t *payload, void *priv)

{

	struct msm_audio *prtd = priv;

	struct snd_pcm_substream *substream;

	uint32_t *ptrmem = (uint32_t *)payload;



	switch (opcode) {
@@ -171,6 +173,18 @@ static void event_handler(uint32_t opcode, 
			break;

		}

		break;

	case RESET_EVENTS:

		if (!prtd || !prtd->substream) {

			pr_err("%s: prtd or substream is NULL\n", __func__);

			return;

		}

		substream = prtd->substream;

		if (!substream->runtime || !substream->runtime->status) {

			pr_err("%s: runtime or runtime->status is NULL\n", __func__);

			return;

		}

		substream->runtime->status->state = SNDRV_PCM_STATE_DISCONNECTED;

		break;

	default:

		pr_debug("Not Supported Event opcode[0x%x]\n", opcode);

		break;