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| author | Takashi Iwai <tiwai@suse.de> | 2005-11-21 16:33:51 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-01-03 12:29:28 +0100 |
| commit | d25695056ff2e1e048cfc8d7dbafaf80c3c46d5d (patch) | |
| tree | d639f0a40b176de26140428c1d4107c4546911f3 /sound/pci/hda | |
| parent | 54d174031576a2855c49611d83d4946bde81b504 (diff) | |
| download | op-kernel-dev-d25695056ff2e1e048cfc8d7dbafaf80c3c46d5d.zip op-kernel-dev-d25695056ff2e1e048cfc8d7dbafaf80c3c46d5d.tar.gz | |
[ALSA] hda-codec - Allocate connection lists dynamically in generic parser
Modules: HDA generic driver
Allocate connection lists dynamically in generic parser.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda')
| -rw-r--r-- | sound/pci/hda/hda_generic.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index 863e8c6..39edfcf 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -32,7 +32,8 @@ struct hda_gnode { hda_nid_t nid; /* NID of this widget */ unsigned short nconns; /* number of input connections */ - hda_nid_t conn_list[HDA_MAX_CONNECTIONS]; /* input connections */ + hda_nid_t *conn_list; + hda_nid_t slist[2]; /* temporay list */ unsigned int wid_caps; /* widget capabilities */ unsigned char type; /* widget type */ unsigned char pin_ctl; /* pin controls */ @@ -84,6 +85,8 @@ static void snd_hda_generic_free(struct hda_codec *codec) /* free all widgets */ list_for_each_safe(p, n, &spec->nid_list) { struct hda_gnode *node = list_entry(p, struct hda_gnode, list); + if (node->conn_list != node->slist) + kfree(node->conn_list); kfree(node); } kfree(spec); @@ -97,18 +100,32 @@ static int add_new_node(struct hda_codec *codec, struct hda_gspec *spec, hda_nid { struct hda_gnode *node; int nconns; + hda_nid_t conn_list[HDA_MAX_CONNECTIONS]; node = kzalloc(sizeof(*node), GFP_KERNEL); if (node == NULL) return -ENOMEM; node->nid = nid; - nconns = snd_hda_get_connections(codec, nid, node->conn_list, HDA_MAX_CONNECTIONS); + nconns = snd_hda_get_connections(codec, nid, conn_list, + HDA_MAX_CONNECTIONS); if (nconns < 0) { kfree(node); return nconns; } + if (nconns <= ARRAY_SIZE(node->slist)) + node->conn_list = node->slist; + else { + node->conn_list = kmalloc(sizeof(hda_nid_t) * nconns, + GFP_KERNEL); + if (! node->conn_list) { + snd_printk(KERN_ERR "hda-generic: cannot malloc\n"); + kfree(node); + return -ENOMEM; + } + } + memcpy(node->conn_list, conn_list, nconns); node->nconns = nconns; - node->wid_caps = snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP); + node->wid_caps = get_wcaps(codec, nid); node->type = (node->wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT; if (node->type == AC_WID_PIN) { |
