[ALSA] hda-codec - Assign audio PCMS first

HDA Codec driver,HDA Intel driver,HDA generic driver
Assign audio PCMs first before modem PCMs.
The modem stream is assigned up to device #6, to be consistent over
different models.

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

1 files changed, 26 insertions, 3 deletions

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 96f9e872919..2098de7c567 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -164,7 +164,9 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
 /* max buffer size - no h/w limit, you can increase as you like */
 #define AZX_MAX_BUF_SIZE        (1024*1024*1024)
 /* max number of PCM devics per card */
-#define AZX_MAX_PCMS            8
+#define AZX_MAX_AUDIO_PCMS      6
+#define AZX_MAX_MODEM_PCMS      2
+#define AZX_MAX_PCMS            (AZX_MAX_AUDIO_PCMS + AZX_MAX_MODEM_PCMS)
 
 /* RIRB int mask: overrun[2], response[0] */
 #define RIRB_INT_RESPONSE       0x01
@@ -1225,12 +1227,33 @@ static int __devinit azx_pcm_create(azx_t *chip)
         if ((err = snd_hda_build_pcms(chip->bus)) < 0)
                 return err;
 
+        /* create audio PCMs */
         pcm_dev = 0;
         list_for_each(p, &chip->bus->codec_list) {
                 codec = list_entry(p, struct hda_codec, list);
                 for (c = 0; c < codec->num_pcms; c++) {
-                        if (pcm_dev >= AZX_MAX_PCMS) {
-                                snd_printk(KERN_ERR SFX "Too many PCMs\n");
+                        if (codec->pcm_info[c].is_modem)
+                                continue; /* create later */
+                        if (pcm_dev >= AZX_MAX_AUDIO_PCMS) {
+                                snd_printk(KERN_ERR SFX "Too many audio PCMs\n");
+                                return -EINVAL;
+                        }
+                        err = create_codec_pcm(chip, codec, &codec->pcm_info[c], pcm_dev);
+                        if (err < 0)
+                                return err;
+                        pcm_dev++;
+                }
+        }
+
+        /* create modem PCMs */
+        pcm_dev = AZX_MAX_AUDIO_PCMS;
+        list_for_each(p, &chip->bus->codec_list) {
+                codec = list_entry(p, struct hda_codec, list);
+                for (c = 0; c < codec->num_pcms; c++) {
+                        if (! codec->pcm_info[c].is_modem)
+                                continue; /* already created */
+                        if (pcm_dev >= AZX_MAX_MODEM_PCMS) {
+                                snd_printk(KERN_ERR SFX "Too many modem PCMs\n");
                                 return -EINVAL;
                         }
                         err = create_codec_pcm(chip, codec, &codec->pcm_info[c], pcm_dev);