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| author | Takashi Iwai <tiwai@suse.de> | 2015-10-01 17:59:43 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2015-10-15 14:05:28 +0200 |
| commit | ded255be2276d365a91af2de7c7f8e2c233d4fa2 (patch) | |
| tree | 4b12a3214ae05ccc3b1b31367c9cec53771cc251 /sound/pci/hda/hda_bind.c | |
| parent | 3e19fec33a5493f8a627a96ad3494d6c6dc2a624 (diff) | |
| download | linux-stable-ded255be2276d365a91af2de7c7f8e2c233d4fa2.tar.gz linux-stable-ded255be2276d365a91af2de7c7f8e2c233d4fa2.tar.bz2 linux-stable-ded255be2276d365a91af2de7c7f8e2c233d4fa2.zip | |
ALSA: hda - consolidate chip rename functions
A few multiple codec drivers do renaming the chip_name string but all
these are open-coded and some of them have even no error check. Let's
make common helpers to do it properly.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda/hda_bind.c')
| -rw-r--r-- | sound/pci/hda/hda_bind.c | 35 |
1 files changed, 23 insertions, 12 deletions
diff --git a/sound/pci/hda/hda_bind.c b/sound/pci/hda/hda_bind.c index d5ac25cc7fee..ef6b8f836a87 100644 --- a/sound/pci/hda/hda_bind.c +++ b/sound/pci/hda/hda_bind.c @@ -45,15 +45,31 @@ static void hda_codec_unsol_event(struct hdac_device *dev, unsigned int ev) codec->patch_ops.unsol_event(codec, ev); } -/* reset the codec name from the preset */ -static int codec_refresh_name(struct hda_codec *codec, const char *name) +/** + * snd_hda_codec_set_name - set the codec name + * @codec: the HDA codec + * @name: name string to set + */ +int snd_hda_codec_set_name(struct hda_codec *codec, const char *name) { - if (name) { - kfree(codec->core.chip_name); - codec->core.chip_name = kstrdup(name, GFP_KERNEL); + int err; + + if (!name) + return 0; + err = snd_hdac_device_set_chip_name(&codec->core, name); + if (err < 0) + return err; + + /* update the mixer name */ + if (!*codec->card->mixername) { + snprintf(codec->card->mixername, + sizeof(codec->card->mixername), "%s %s", + codec->core.vendor_name, codec->core.chip_name); } - return codec->core.chip_name ? 0 : -ENOMEM; + + return 0; } +EXPORT_SYMBOL_GPL(snd_hda_codec_set_name); static int hda_codec_driver_probe(struct device *dev) { @@ -64,7 +80,7 @@ static int hda_codec_driver_probe(struct device *dev) if (WARN_ON(!codec->preset)) return -EINVAL; - err = codec_refresh_name(codec, codec->preset->name); + err = snd_hda_codec_set_name(codec, codec->preset->name); if (err < 0) goto error; err = snd_hdac_regmap_init(&codec->core); @@ -251,11 +267,6 @@ int snd_hda_codec_configure(struct hda_codec *codec) } } - /* audio codec should override the mixer name */ - if (codec->core.afg || !*codec->card->mixername) - snprintf(codec->card->mixername, - sizeof(codec->card->mixername), "%s %s", - codec->core.vendor_name, codec->core.chip_name); return 0; error: |