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authorTakashi Iwai <tiwai@suse.de>2006-11-24 17:07:44 +0100
committerJaroslav Kysela <perex@suse.cz>2007-02-09 09:02:04 +0100
commitf5fcc13c2fc62da6f75d80189a51c2492afb39c0 (patch)
treea08340173113cd5f64653b81b656f58ecb27a091 /sound/pci/hda/hda_codec.c
parent0b830bac35dd6e3996bee675c3893857da8a4d0a (diff)
[ALSA] hda-codec - Use snd_pci_quirk_lookup() for board config lookup
Use snd_pci_quirk_lookup() for looking up a board config table. The config table is sorted in numerical order of PCI SSIDs. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/pci/hda/hda_codec.c')
-rw-r--r--sound/pci/hda/hda_codec.c57
1 files changed, 35 insertions, 22 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 18bbc87e376..c07d5db6b05 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -1714,6 +1714,8 @@ EXPORT_SYMBOL(snd_hda_build_pcms);
/**
* snd_hda_check_board_config - compare the current codec with the config table
* @codec: the HDA codec
+ * @num_configs: number of config enums
+ * @models: array of model name strings
* @tbl: configuration table, terminated by null entries
*
* Compares the modelname or PCI subsystem id of the current codec with the
@@ -1722,33 +1724,44 @@ EXPORT_SYMBOL(snd_hda_build_pcms);
*
* If no entries are matching, the function returns a negative value.
*/
-int snd_hda_check_board_config(struct hda_codec *codec, const struct hda_board_config *tbl)
-{
- const struct hda_board_config *c;
-
- if (codec->bus->modelname) {
- for (c = tbl; c->modelname || c->pci_subvendor; c++) {
- if (c->modelname &&
- ! strcmp(codec->bus->modelname, c->modelname)) {
- snd_printd(KERN_INFO "hda_codec: model '%s' is selected\n", c->modelname);
- return c->config;
+int snd_hda_check_board_config(struct hda_codec *codec,
+ int num_configs, const char **models,
+ const struct snd_pci_quirk *tbl)
+{
+ if (codec->bus->modelname && models) {
+ int i;
+ for (i = 0; i < num_configs; i++) {
+ if (models[i] &&
+ !strcmp(codec->bus->modelname, models[i])) {
+ snd_printd(KERN_INFO "hda_codec: model '%s' is "
+ "selected\n", models[i]);
+ return i;
}
}
}
- if (codec->bus->pci) {
- u16 subsystem_vendor, subsystem_device;
- pci_read_config_word(codec->bus->pci, PCI_SUBSYSTEM_VENDOR_ID, &subsystem_vendor);
- pci_read_config_word(codec->bus->pci, PCI_SUBSYSTEM_ID, &subsystem_device);
- for (c = tbl; c->modelname || c->pci_subvendor; c++) {
- if (c->pci_subvendor == subsystem_vendor &&
- (! c->pci_subdevice /* all match */||
- (c->pci_subdevice == subsystem_device))) {
- snd_printdd(KERN_INFO "hda_codec: PCI %x:%x, codec config %d is selected\n",
- subsystem_vendor, subsystem_device, c->config);
- return c->config;
- }
+ if (!codec->bus->pci || !tbl)
+ return -1;
+
+ tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl);
+ if (!tbl)
+ return -1;
+ if (tbl->value >= 0 && tbl->value < num_configs) {
+#ifdef CONFIG_SND_DEBUG_DETECT
+ char tmp[10];
+ const char *model = NULL;
+ if (models)
+ model = models[tbl->value];
+ if (!model) {
+ sprintf(tmp, "#%d", tbl->value);
+ model = tmp;
}
+ snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
+ "for config %x:%x (%s)\n",
+ model, tbl->subvendor, tbl->subdevice,
+ (tbl->name ? tbl->name : "Unknown device"));
+#endif
+ return tbl->value;
}
return -1;
}