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-rw-r--r--include/uapi/sound/sof/tokens.h2
-rw-r--r--sound/soc/sof/intel/hda-pcm.c15
-rw-r--r--sound/soc/sof/sof-audio.h1
-rw-r--r--sound/soc/sof/topology.c4
4 files changed, 22 insertions, 0 deletions
diff --git a/include/uapi/sound/sof/tokens.h b/include/uapi/sound/sof/tokens.h
index 0a246bc218d3..c28c766270de 100644
--- a/include/uapi/sound/sof/tokens.h
+++ b/include/uapi/sound/sof/tokens.h
@@ -153,6 +153,8 @@
/* Stream */
#define SOF_TKN_STREAM_PLAYBACK_COMPATIBLE_D0I3 1200
#define SOF_TKN_STREAM_CAPTURE_COMPATIBLE_D0I3 1201
+#define SOF_TKN_STREAM_PLAYBACK_PAUSE_SUPPORTED 1202
+#define SOF_TKN_STREAM_CAPTURE_PAUSE_SUPPORTED 1203
/* Led control for mute switches */
#define SOF_TKN_MUTE_LED_USE 1300
diff --git a/sound/soc/sof/intel/hda-pcm.c b/sound/soc/sof/intel/hda-pcm.c
index 5b5e484f9acf..1dd8d2092c3b 100644
--- a/sound/soc/sof/intel/hda-pcm.c
+++ b/sound/soc/sof/intel/hda-pcm.c
@@ -37,6 +37,11 @@ static bool hda_disable_rewinds;
module_param_named(disable_rewinds, hda_disable_rewinds, bool, 0444);
MODULE_PARM_DESC(disable_rewinds, "SOF HDA disable rewinds");
+static int hda_force_pause_support = -1;
+module_param_named(force_pause_support, hda_force_pause_support, int, 0444);
+MODULE_PARM_DESC(force_pause_support,
+ "Pause support: -1: Use default, 0: Disable, 1: Enable (default -1)");
+
u32 hda_dsp_get_mult_div(struct snd_sof_dev *sdev, int rate)
{
switch (rate) {
@@ -240,6 +245,16 @@ int hda_dsp_pcm_open(struct snd_sof_dev *sdev,
if (hda_always_enable_dmi_l1 && direction == SNDRV_PCM_STREAM_CAPTURE)
runtime->hw.info &= ~SNDRV_PCM_INFO_PAUSE;
+ /*
+ * Do not advertise the PAUSE support if it is forced to be disabled via
+ * module parameter or if the pause_supported is false for the PCM
+ * device
+ */
+ if (hda_force_pause_support == 0 ||
+ (hda_force_pause_support == -1 &&
+ !spcm->stream[substream->stream].pause_supported))
+ runtime->hw.info &= ~SNDRV_PCM_INFO_PAUSE;
+
if (hda_always_enable_dmi_l1 ||
direction == SNDRV_PCM_STREAM_PLAYBACK ||
spcm->stream[substream->stream].d0i3_compatible)
diff --git a/sound/soc/sof/sof-audio.h b/sound/soc/sof/sof-audio.h
index 01b819dd8498..62f3c11a9216 100644
--- a/sound/soc/sof/sof-audio.h
+++ b/sound/soc/sof/sof-audio.h
@@ -332,6 +332,7 @@ struct snd_sof_pcm_stream {
struct work_struct period_elapsed_work;
struct snd_soc_dapm_widget_list *list; /* list of connected DAPM widgets */
bool d0i3_compatible; /* DSP can be in D0I3 when this pcm is opened */
+ bool pause_supported; /* PCM device supports PAUSE operation */
unsigned int dsp_max_burst_size_in_ms; /* The maximum size of the host DMA burst in ms */
/*
* flag to indicate that the DSP pipelines should be kept
diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c
index b3fca5fd87d6..688cc7ac1714 100644
--- a/sound/soc/sof/topology.c
+++ b/sound/soc/sof/topology.c
@@ -407,6 +407,10 @@ static const struct sof_topology_token stream_tokens[] = {
offsetof(struct snd_sof_pcm, stream[0].d0i3_compatible)},
{SOF_TKN_STREAM_CAPTURE_COMPATIBLE_D0I3, SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16,
offsetof(struct snd_sof_pcm, stream[1].d0i3_compatible)},
+ {SOF_TKN_STREAM_PLAYBACK_PAUSE_SUPPORTED, SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16,
+ offsetof(struct snd_sof_pcm, stream[0].pause_supported)},
+ {SOF_TKN_STREAM_CAPTURE_PAUSE_SUPPORTED, SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16,
+ offsetof(struct snd_sof_pcm, stream[1].pause_supported)},
};
/* Leds */