ALSA: hda - Fix channel maps for Nvidia 7x 8ch HDMI codecs
Some old Nvidia HDMI codecs with 8ch support only 2/8 or
2/6/8 channels and with the fixed CLFE-first map.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 4a5d24f..2c53ea8 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -2155,6 +2155,43 @@
return 0;
}
+static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec = codec->spec;
+ int err = simple_playback_build_pcms(codec);
+ spec->pcm_rec[0].own_chmap = true;
+ return err;
+}
+
+static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec = codec->spec;
+ struct snd_pcm_chmap *chmap;
+ int err;
+
+ err = simple_playback_build_controls(codec);
+ if (err < 0)
+ return err;
+
+ /* add channel maps */
+ err = snd_pcm_add_chmap_ctls(spec->pcm_rec[0].pcm,
+ SNDRV_PCM_STREAM_PLAYBACK,
+ snd_pcm_alt_chmaps, 8, 0, &chmap);
+ if (err < 0)
+ return err;
+ switch (codec->preset->id) {
+ case 0x10de0002:
+ case 0x10de0003:
+ case 0x10de0005:
+ case 0x10de0006:
+ chmap->channel_mask = (1U << 2) | (1U << 8);
+ break;
+ case 0x10de0007:
+ chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8);
+ }
+ return 0;
+}
+
static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
{
struct hdmi_spec *spec;
@@ -2165,6 +2202,8 @@
spec->multiout.max_channels = 8;
spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x;
codec->patch_ops.init = nvhdmi_7x_init_8ch;
+ codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms;
+ codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls;
/* Initialize the audio infoframe channel mask and checksum to something
* valid */