diff options
| -rw-r--r-- | sound/soc/codecs/hdac_hdmi.c | 48 |
1 files changed, 35 insertions, 13 deletions
diff --git a/sound/soc/codecs/hdac_hdmi.c b/sound/soc/codecs/hdac_hdmi.c index d2a2e1882fdd..f12af62a2084 100644 --- a/sound/soc/codecs/hdac_hdmi.c +++ b/sound/soc/codecs/hdac_hdmi.c @@ -398,10 +398,20 @@ static int hdac_hdmi_set_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hparams, struct snd_soc_dai *dai) { struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); + struct hdac_hdmi_priv *hdmi = hdac->private_data; + struct hdac_hdmi_dai_pin_map *dai_map; + struct hdac_hdmi_pin *pin; struct hdac_ext_dma_params *dd; - if (dai->id > 0) { - dev_err(&hdac->hdac.dev, "Only one dai supported as of now\n"); + dai_map = &hdmi->dai_map[dai->id]; + pin = dai_map->pin; + + if (!pin) + return -ENODEV; + + if ((!pin->eld.monitor_present) || (!pin->eld.eld_valid)) { + dev_err(&hdac->hdac.dev, "device is not configured for this pin: %d\n", + pin->nid); return -ENODEV; } @@ -431,11 +441,6 @@ static int hdac_hdmi_playback_cleanup(struct snd_pcm_substream *substream, dai_map = &hdmi->dai_map[dai->id]; - snd_hdac_codec_write(&edev->hdac, dai_map->cvt->nid, 0, - AC_VERB_SET_CHANNEL_STREAMID, 0); - snd_hdac_codec_write(&edev->hdac, dai_map->cvt->nid, 0, - AC_VERB_SET_STREAM_FORMAT, 0); - dd = (struct hdac_ext_dma_params *)snd_soc_dai_get_dma_data(dai, substream); if (dd) { @@ -536,6 +541,11 @@ static struct hdac_hdmi_pin *hdac_hdmi_get_pin_from_cvt( return NULL; } +/* + * This tries to get a valid pin and set the HW constraints based on the + * ELD. Even if a valid pin is not found return success so that device open + * doesn't fail. + */ static int hdac_hdmi_pcm_open(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { @@ -550,17 +560,22 @@ static int hdac_hdmi_pcm_open(struct snd_pcm_substream *substream, cvt = dai_map->cvt; pin = hdac_hdmi_get_pin_from_cvt(hdac, hdmi, cvt); + + /* + * To make PA and other userland happy. + * userland scans devices so returning error does not help. + */ if (!pin) - return -EIO; + return 0; if ((!pin->eld.monitor_present) || (!pin->eld.eld_valid)) { - dev_err(&hdac->hdac.dev, + dev_warn(&hdac->hdac.dev, "Failed: montior present? %d ELD valid?: %d for pin: %d\n", pin->eld.monitor_present, pin->eld.eld_valid, pin->nid); - return -ENODEV; + return 0; } dai_map->pin = pin; @@ -587,12 +602,19 @@ static void hdac_hdmi_pcm_close(struct snd_pcm_substream *substream, dai_map = &hdmi->dai_map[dai->id]; - hdac_hdmi_set_power_state(hdac, dai_map, AC_PWRST_D3); + if (dai_map->pin) { + snd_hdac_codec_write(&hdac->hdac, dai_map->cvt->nid, 0, + AC_VERB_SET_CHANNEL_STREAMID, 0); + snd_hdac_codec_write(&hdac->hdac, dai_map->cvt->nid, 0, + AC_VERB_SET_STREAM_FORMAT, 0); + + hdac_hdmi_set_power_state(hdac, dai_map, AC_PWRST_D3); - snd_hdac_codec_write(&hdac->hdac, dai_map->pin->nid, 0, + snd_hdac_codec_write(&hdac->hdac, dai_map->pin->nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); - dai_map->pin = NULL; + dai_map->pin = NULL; + } } static int |