aboutsummaryrefslogtreecommitdiffstats
path: root/sound/pci/hda/patch_hdmi.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/pci/hda/patch_hdmi.c')
-rw-r--r--sound/pci/hda/patch_hdmi.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index f29b97b..a587677 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -642,6 +642,7 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, hda_nid_t nid,
hdmi_ai->ver = 0x01;
hdmi_ai->len = 0x0a;
hdmi_ai->CC02_CT47 = channels - 1;
+ hdmi_ai->CA = ca;
hdmi_checksum_audio_infoframe(hdmi_ai);
} else if (spec->sink_eld[i].conn_type == 1) { /* DisplayPort */
struct dp_audio_infoframe *dp_ai;
@@ -651,6 +652,7 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, hda_nid_t nid,
dp_ai->len = 0x1b;
dp_ai->ver = 0x11 << 2;
dp_ai->CC02_CT47 = channels - 1;
+ dp_ai->CA = ca;
} else {
snd_printd("HDMI: unknown connection type at pin %d\n",
pin_nid);
@@ -817,6 +819,7 @@ static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
struct hdmi_spec *spec = codec->spec;
struct hdmi_eld *eld;
struct hda_pcm_stream *codec_pars;
+ struct snd_pcm_runtime *runtime = substream->runtime;
unsigned int idx;
for (idx = 0; idx < spec->num_cvts; idx++)
@@ -844,6 +847,14 @@ static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
hinfo->formats = codec_pars->formats;
hinfo->maxbps = codec_pars->maxbps;
}
+ /* store the updated parameters */
+ runtime->hw.channels_min = hinfo->channels_min;
+ runtime->hw.channels_max = hinfo->channels_max;
+ runtime->hw.formats = hinfo->formats;
+ runtime->hw.rates = hinfo->rates;
+
+ snd_pcm_hw_constraint_step(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_CHANNELS, 2);
return 0;
}
@@ -1238,6 +1249,9 @@ static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
snd_pcm_hw_constraint_list(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_CHANNELS,
hw_constraints_channels);
+ } else {
+ snd_pcm_hw_constraint_step(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_CHANNELS, 2);
}
return snd_hda_multi_out_dig_open(codec, &spec->multiout);