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authorDave Airlie <airlied@redhat.com>2024-04-22 14:35:22 +1000
committerDave Airlie <airlied@redhat.com>2024-04-22 14:35:52 +1000
commit0208ca55aa9c9b997da1f5bc45c4e98916323f08 (patch)
treee3130b2116f7738ac7cd79ad71698f545bb7db69 /sound/soc/sof/intel/hda-dai-ops.c
parent2871ec40994912ce4f2e2d5072a428eb84c77d3c (diff)
parented30a4a51bb196781c8058073ea720133a65596f (diff)
Backmerge tag 'v6.9-rc5' into drm-next
Linux 6.9-rc5 I've had a persistent msm failure on clang, and the fix is in fixes so just pull it back to fix that. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'sound/soc/sof/intel/hda-dai-ops.c')
-rw-r--r--sound/soc/sof/intel/hda-dai-ops.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/sound/soc/sof/intel/hda-dai-ops.c b/sound/soc/sof/intel/hda-dai-ops.c
index c50ca9e72d37..b073720b4cf4 100644
--- a/sound/soc/sof/intel/hda-dai-ops.c
+++ b/sound/soc/sof/intel/hda-dai-ops.c
@@ -7,6 +7,7 @@
#include <sound/pcm_params.h>
#include <sound/hdaudio_ext.h>
+#include <sound/hda_register.h>
#include <sound/hda-mlink.h>
#include <sound/sof/ipc4/header.h>
#include <uapi/sound/sof/header.h>
@@ -362,6 +363,16 @@ static int hda_trigger(struct snd_sof_dev *sdev, struct snd_soc_dai *cpu_dai,
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
snd_hdac_ext_stream_clear(hext_stream);
+
+ /*
+ * Save the LLP registers in case the stream is
+ * restarting due PAUSE_RELEASE, or START without a pcm
+ * close/open since in this case the LLP register is not reset
+ * to 0 and the delay calculation will return with invalid
+ * results.
+ */
+ hext_stream->pplcllpl = readl(hext_stream->pplc_addr + AZX_REG_PPLCLLPL);
+ hext_stream->pplcllpu = readl(hext_stream->pplc_addr + AZX_REG_PPLCLLPU);
break;
default:
dev_err(sdev->dev, "unknown trigger command %d\n", cmd);