Commit 83926099 authored by Sascha Hauer's avatar Sascha Hauer Committed by Mark Brown

ASoC: imx-ssi: do not call hrtimer_disable in trigger function

Doing so causes a deadlock, so just signal the timer to stop
using an atomic variable.
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
Acked-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 565a79f7
......@@ -41,6 +41,7 @@ struct imx_pcm_runtime_data {
struct hrtimer hrt;
int poll_time_ns;
struct snd_pcm_substream *substream;
atomic_t running;
};
static enum hrtimer_restart snd_hrtimer_callback(struct hrtimer *hrt)
......@@ -52,6 +53,9 @@ static enum hrtimer_restart snd_hrtimer_callback(struct hrtimer *hrt)
struct pt_regs regs;
unsigned long delta;
if (!atomic_read(&iprtd->running))
return HRTIMER_NORESTART;
get_fiq_regs(&regs);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
......@@ -129,6 +133,7 @@ static int snd_imx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
atomic_set(&iprtd->running, 1);
hrtimer_start(&iprtd->hrt, ns_to_ktime(iprtd->poll_time_ns),
HRTIMER_MODE_REL);
if (++fiq_enable == 1)
......@@ -139,11 +144,11 @@ static int snd_imx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
hrtimer_cancel(&iprtd->hrt);
atomic_set(&iprtd->running, 0);
if (--fiq_enable == 0)
disable_fiq(imx_pcm_fiq);
break;
default:
return -EINVAL;
......@@ -190,6 +195,7 @@ static int snd_imx_open(struct snd_pcm_substream *substream)
iprtd->substream = substream;
atomic_set(&iprtd->running, 0);
hrtimer_init(&iprtd->hrt, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
iprtd->hrt.function = snd_hrtimer_callback;
......
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