From f44ac8378d3d84b912b34f08afaff64182ee1b41 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 30 Jul 2008 15:01:45 +0200 Subject: [PATCH] ALSA: hda - Allocate name string of each codec Allocate dynamically the name string of each codec instead of pointing to a static string. Signed-off-by: Takashi Iwai --- sound/pci/hda/hda_codec.c | 37 +++++++++++++++++++++++++------------ sound/pci/hda/hda_codec.h | 2 ++ sound/pci/hda/hda_proc.c | 5 ++--- 3 files changed, 29 insertions(+), 15 deletions(-) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 39a49d4a864a..53e36495fae5 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -446,7 +446,7 @@ int __devinit snd_hda_bus_new(struct snd_card *card, #ifdef CONFIG_SND_HDA_GENERIC #define is_generic_config(codec) \ - (codec->bus->modelname && !strcmp(codec->bus->modelname, "generic")) + (codec->modelname && !strcmp(codec->modelname, "generic")) #else #define is_generic_config(codec) 0 #endif @@ -481,15 +481,14 @@ find_codec_preset(struct hda_codec *codec) } /* - * snd_hda_get_codec_name - store the codec name + * get_codec_name - store the codec name */ -void snd_hda_get_codec_name(struct hda_codec *codec, - char *name, int namelen) +static int get_codec_name(struct hda_codec *codec) { const struct hda_vendor_id *c; const char *vendor = NULL; u16 vendor_id = codec->vendor_id >> 16; - char tmp[16]; + char tmp[16], name[32]; for (c = hda_vendor_ids; c->id; c++) { if (c->id == vendor_id) { @@ -502,10 +501,15 @@ void snd_hda_get_codec_name(struct hda_codec *codec, vendor = tmp; } if (codec->preset && codec->preset->name) - snprintf(name, namelen, "%s %s", vendor, codec->preset->name); + snprintf(name, sizeof(name), "%s %s", vendor, + codec->preset->name); else - snprintf(name, namelen, "%s ID %x", vendor, + snprintf(name, sizeof(name), "%s ID %x", vendor, codec->vendor_id & 0xffff); + codec->name = kstrdup(name, GFP_KERNEL); + if (!codec->name) + return -ENOMEM; + return 0; } /* @@ -575,6 +579,8 @@ static void snd_hda_codec_free(struct hda_codec *codec) codec->patch_ops.free(codec); free_hda_cache(&codec->amp_cache); free_hda_cache(&codec->cmd_cache); + kfree(codec->name); + kfree(codec->modelname); kfree(codec->wcaps); kfree(codec); } @@ -661,12 +667,19 @@ int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_SUBSYSTEM_ID, 0); } + if (bus->modelname) + codec->modelname = kstrdup(bus->modelname, GFP_KERNEL); codec->preset = find_codec_preset(codec); + if (!codec->name) { + err = get_codec_name(codec); + if (err < 0) + return err; + } /* audio codec should override the mixer name */ - if (codec->afg || !*bus->card->mixername) - snd_hda_get_codec_name(codec, bus->card->mixername, - sizeof(bus->card->mixername)); + if (codec->afg || !*codec->bus->card->mixername) + strlcpy(codec->bus->card->mixername, codec->name, + sizeof(codec->bus->card->mixername)); if (is_generic_config(codec)) { err = snd_hda_parse_generic_codec(codec); @@ -2370,11 +2383,11 @@ 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) { + if (codec->modelname && models) { int i; for (i = 0; i < num_configs; i++) { if (models[i] && - !strcmp(codec->bus->modelname, models[i])) { + !strcmp(codec->modelname, models[i])) { snd_printd(KERN_INFO "hda_codec: model '%s' is " "selected\n", models[i]); return i; diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index 77064b0cb821..53f3b08b24cd 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -719,6 +719,8 @@ struct hda_codec { /* detected preset */ const struct hda_codec_preset *preset; + const char *name; /* codec name */ + const char *modelname; /* model name for preset */ /* set by patch */ struct hda_codec_ops patch_ops; diff --git a/sound/pci/hda/hda_proc.c b/sound/pci/hda/hda_proc.c index 743d77922bce..64ab19f14f79 100644 --- a/sound/pci/hda/hda_proc.c +++ b/sound/pci/hda/hda_proc.c @@ -511,12 +511,11 @@ static void print_codec_info(struct snd_info_entry *entry, struct snd_info_buffer *buffer) { struct hda_codec *codec = entry->private_data; - char buf[32]; hda_nid_t nid; int i, nodes; - snd_hda_get_codec_name(codec, buf, sizeof(buf)); - snd_iprintf(buffer, "Codec: %s\n", buf); + snd_iprintf(buffer, "Codec: %s\n", + codec->name ? codec->name : "Not Set"); snd_iprintf(buffer, "Address: %d\n", codec->addr); snd_iprintf(buffer, "Vendor Id: 0x%x\n", codec->vendor_id); snd_iprintf(buffer, "Subsystem Id: 0x%x\n", codec->subsystem_id); -- 2.39.5