X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=sound%2Fpci%2Fhda%2Fpatch_hdmi.c;h=a5876773672749d05ac9672b9ba59b8acb0fc903;hb=638691a7a46a4ae9a7b56c603299e42d7f6e722e;hp=f29b97b5de8f36e53fc459e90cc8cc41870e54f5;hpb=65e5d002b5ad220db2bf9557f53de5a98f7dab86;p=mv-sheeva.git

diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index f29b97b5de8..a5876773672 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);