diff options
| -rw-r--r-- | include/sound/hdaudio.h | 1 | ||||
| -rw-r--r-- | sound/hda/hdac_stream.c | 19 | ||||
| -rw-r--r-- | sound/pci/hda/patch_hdmi.c | 5 |
3 files changed, 18 insertions, 7 deletions
diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h index b260c5fd2337..e05b95e83d5a 100644 --- a/include/sound/hdaudio.h +++ b/include/sound/hdaudio.h @@ -493,6 +493,7 @@ struct hdac_stream { bool prepared:1; bool no_period_wakeup:1; bool locked:1; + bool stripe:1; /* apply stripe control */ /* timestamp */ unsigned long start_wallclk; /* start + minimum wallclk */ diff --git a/sound/hda/hdac_stream.c b/sound/hda/hdac_stream.c index d8fe7ff0cd58..f9707fb05efe 100644 --- a/sound/hda/hdac_stream.c +++ b/sound/hda/hdac_stream.c @@ -96,12 +96,14 @@ void snd_hdac_stream_start(struct hdac_stream *azx_dev, bool fresh_start) 1 << azx_dev->index, 1 << azx_dev->index); /* set stripe control */ - if (azx_dev->substream) - stripe_ctl = snd_hdac_get_stream_stripe_ctl(bus, azx_dev->substream); - else - stripe_ctl = 0; - snd_hdac_stream_updateb(azx_dev, SD_CTL_3B, SD_CTL_STRIPE_MASK, - stripe_ctl); + if (azx_dev->stripe) { + if (azx_dev->substream) + stripe_ctl = snd_hdac_get_stream_stripe_ctl(bus, azx_dev->substream); + else + stripe_ctl = 0; + snd_hdac_stream_updateb(azx_dev, SD_CTL_3B, SD_CTL_STRIPE_MASK, + stripe_ctl); + } /* set DMA start and interrupt mask */ snd_hdac_stream_updateb(azx_dev, SD_CTL, 0, SD_CTL_DMA_START | SD_INT_MASK); @@ -118,7 +120,10 @@ void snd_hdac_stream_clear(struct hdac_stream *azx_dev) snd_hdac_stream_updateb(azx_dev, SD_CTL, SD_CTL_DMA_START | SD_INT_MASK, 0); snd_hdac_stream_writeb(azx_dev, SD_STS, SD_INT_MASK); /* to be sure */ - snd_hdac_stream_updateb(azx_dev, SD_CTL_3B, SD_CTL_STRIPE_MASK, 0); + if (azx_dev->stripe) { + snd_hdac_stream_updateb(azx_dev, SD_CTL_3B, SD_CTL_STRIPE_MASK, 0); + azx_dev->stripe = 0; + } azx_dev->running = false; } EXPORT_SYMBOL_GPL(snd_hdac_stream_clear); diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 0032bba8cc9d..ed4e98a1057a 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -32,6 +32,7 @@ #include <sound/hda_codec.h> #include "hda_local.h" #include "hda_jack.h" +#include "hda_controller.h" static bool static_hdmi_pcm; module_param(static_hdmi_pcm, bool, 0644); @@ -1249,6 +1250,10 @@ static int hdmi_pcm_open(struct hda_pcm_stream *hinfo, per_pin->cvt_nid = per_cvt->cvt_nid; hinfo->nid = per_cvt->cvt_nid; + /* flip stripe flag for the assigned stream if supported */ + if (get_wcaps(codec, per_cvt->cvt_nid) & AC_WCAP_STRIPE) + azx_stream(get_azx_dev(substream))->stripe = 1; + snd_hda_set_dev_select(codec, per_pin->pin_nid, per_pin->dev_id); snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0, AC_VERB_SET_CONNECT_SEL, |
