diff options
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/hda/patch_nvhdmi.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/sound/pci/hda/patch_nvhdmi.c b/sound/pci/hda/patch_nvhdmi.c index ac4bff538c44..6776573d8124 100644 --- a/sound/pci/hda/patch_nvhdmi.c +++ b/sound/pci/hda/patch_nvhdmi.c @@ -161,6 +161,35 @@ static void nvhdmi_free(struct hda_codec *codec) kfree(spec); } +static void nvhdmi_unsol_event(struct hda_codec *codec, unsigned int res) +{ + struct hdmi_spec *spec = codec->spec; + int tag = res >> AC_UNSOL_RES_TAG_SHIFT; + int index = hda_node_index(spec->pin, tag); + int sink_state_old = spec->sink_eld[index].monitor_present & + spec->sink_eld[index].eld_valid; + int sink_state_new; + struct snd_pcm_substream *s; + + hdmi_unsol_event(codec, res); + sink_state_new = spec->sink_eld[index].monitor_present & + spec->sink_eld[index].eld_valid; + + if (sink_state_old == sink_state_new) + return; + + if (!codec->pcm_info || !codec->pcm_info->pcm) + return; + + s = codec->pcm_info->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; + if (s && s->runtime) { + if (snd_pcm_running(s)) { + snd_pcm_stop(s, SNDRV_PCM_STATE_XRUN); + snd_pcm_start(s); + } + } +} + static void nvhdmi_shutup(struct hda_codec *codec) { nv_tegra_enable_hda_clks(true); @@ -463,7 +492,7 @@ static struct hda_codec_ops nvhdmi_patch_ops_8ch_89 = { .build_pcms = nvhdmi_build_pcms_8ch_89, .init = nvhdmi_init, .free = nvhdmi_free, - .unsol_event = hdmi_unsol_event, + .unsol_event = nvhdmi_unsol_event, .reboot_notify = nvhdmi_shutup, }; |