ALSA: hda - Add codec->pcm_format_first flag

Introduced a new flag to set up the PCM stream format at first before
the stream_id and channel tag.  Some codecs (e.g. CA0132) seem
preferring this over stream_id -> format order.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 88a9c20..598b9e2 100644 (file)
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -1386,6 +1386,44 @@ int snd_hda_codec_configure(struct hda_codec *codec)
 }
 EXPORT_SYMBOL_HDA(snd_hda_codec_configure);
 
+/* update the stream-id if changed */
+static void update_pcm_stream_id(struct hda_codec *codec,
+                                struct hda_cvt_setup *p, hda_nid_t nid,
+                                u32 stream_tag, int channel_id)
+{
+       unsigned int oldval, newval;
+
+       if (p->stream_tag != stream_tag || p->channel_id != channel_id) {
+               oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
+               newval = (stream_tag << 4) | channel_id;
+               if (oldval != newval)
+                       snd_hda_codec_write(codec, nid, 0,
+                                           AC_VERB_SET_CHANNEL_STREAMID,
+                                           newval);
+               p->stream_tag = stream_tag;
+               p->channel_id = channel_id;
+       }
+}
+
+/* update the format-id if changed */
+static void update_pcm_format(struct hda_codec *codec, struct hda_cvt_setup *p,
+                             hda_nid_t nid, int format)
+{
+       unsigned int oldval;
+
+       if (p->format_id != format) {
+               oldval = snd_hda_codec_read(codec, nid, 0,
+                                           AC_VERB_GET_STREAM_FORMAT, 0);
+               if (oldval != format) {
+                       msleep(1);
+                       snd_hda_codec_write(codec, nid, 0,
+                                           AC_VERB_SET_STREAM_FORMAT,
+                                           format);
+               }
+               p->format_id = format;
+       }
+}
+
 /**
  * snd_hda_codec_setup_stream - set up the codec for streaming
  * @codec: the CODEC to set up
@@ -1400,7 +1438,6 @@ void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
 {
        struct hda_codec *c;
        struct hda_cvt_setup *p;
-       unsigned int oldval, newval;
        int type;
        int i;
 
@@ -1413,29 +1450,13 @@ void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
        p = get_hda_cvt_setup(codec, nid);
        if (!p)
                return;
-       /* update the stream-id if changed */
-       if (p->stream_tag != stream_tag || p->channel_id != channel_id) {
-               oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
-               newval = (stream_tag << 4) | channel_id;
-               if (oldval != newval)
-                       snd_hda_codec_write(codec, nid, 0,
-                                           AC_VERB_SET_CHANNEL_STREAMID,
-                                           newval);
-               p->stream_tag = stream_tag;
-               p->channel_id = channel_id;
-       }
-       /* update the format-id if changed */
-       if (p->format_id != format) {
-               oldval = snd_hda_codec_read(codec, nid, 0,
-                                           AC_VERB_GET_STREAM_FORMAT, 0);
-               if (oldval != format) {
-                       msleep(1);
-                       snd_hda_codec_write(codec, nid, 0,
-                                           AC_VERB_SET_STREAM_FORMAT,
-                                           format);
-               }
-               p->format_id = format;
-       }
+
+       if (codec->pcm_format_first)
+               update_pcm_format(codec, p, nid, format);
+       update_pcm_stream_id(codec, p, nid, stream_tag, channel_id);
+       if (!codec->pcm_format_first)
+               update_pcm_format(codec, p, nid, format);
+
        p->active = 1;
        p->dirty = 0;
 

diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index c422d33..7fbc1bc 100644 (file)
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -861,6 +861,7 @@ struct hda_codec {
        unsigned int no_trigger_sense:1; /* don't trigger at pin-sensing */
        unsigned int ignore_misc_bit:1; /* ignore MISC_NO_PRESENCE bit */
        unsigned int no_jack_detect:1;  /* Machine has no jack-detection */
+       unsigned int pcm_format_first:1; /* PCM format must be set first */
 #ifdef CONFIG_SND_HDA_POWER_SAVE
        unsigned int power_on :1;       /* current (global) power-state */
        int power_transition;   /* power-state in transition */