diff options
| author | Bing Song <bing.song@nxp.com> | 2020-08-10 11:12:44 +0800 |
|---|---|---|
| committer | Bing Song <bing.song@nxp.com> | 2020-08-14 16:48:38 +0800 |
| commit | 0581bdbb6d8db8c9a40d0ef9b5f524bf97c13e38 (patch) | |
| tree | 4dacefa5af2fa0665ee03f498305500dad93b288 /sound/soc/fsl/fsl_dsp_proxy.c | |
| parent | ccc0ba865eec878b201a0da50c240c793e01bb08 (diff) | |
MLK-24501-3 dsp: interrupt suspend when lpa.
Input buffer maybe return when suspending. Interrupt suspend if
MU from DSP to ARM core.
Signed-off-by: Bing Song <bing.song@nxp.com>
Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Diffstat (limited to 'sound/soc/fsl/fsl_dsp_proxy.c')
| -rw-r--r-- | sound/soc/fsl/fsl_dsp_proxy.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/fsl/fsl_dsp_proxy.c b/sound/soc/fsl/fsl_dsp_proxy.c index 46b65cb200b9..84271e0a17a5 100644 --- a/sound/soc/fsl/fsl_dsp_proxy.c +++ b/sound/soc/fsl/fsl_dsp_proxy.c @@ -5,6 +5,7 @@ // Copyright 2018 NXP // Copyright (C) 2017 Cadence Design Systems, Inc. +#include <linux/suspend.h> #include "fsl_dsp_proxy.h" #include "fsl_dsp.h" @@ -233,6 +234,9 @@ irqreturn_t fsl_dsp_mu_isr(int irq, void *dev_id) MU_ReceiveMsg(dsp_priv->mu_base_virtaddr, 0, ®); msghdr = (union icm_header_t)reg; + if (dsp_priv->dsp_is_lpa) + pm_system_wakeup(); + if (msghdr.intr == 1) { dev_dbg(dev, "INTR: Received ICM intr, msg 0x%08x\n", msghdr.allbits); |