diff options
Diffstat (limited to 'sound/hda')
| -rw-r--r-- | sound/hda/hdac_device.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/sound/hda/hdac_device.c b/sound/hda/hdac_device.c index 1470ecc354db..aaece36247e7 100644 --- a/sound/hda/hdac_device.c +++ b/sound/hda/hdac_device.c @@ -194,6 +194,28 @@ unsigned int snd_hdac_make_cmd(struct hdac_device *codec, hda_nid_t nid, EXPORT_SYMBOL_GPL(snd_hdac_make_cmd); /** + * snd_hdac_exec_verb - execute an encoded verb + * @codec: the codec object + * @cmd: encoded verb to execute + * @flags: optional flags, pass zero for default + * @res: the pointer to store the result, NULL if running async + * + * Returns zero if successful, or a negative error code. + * + * This calls the exec_verb op when set in hdac_codec. If not, + * call the default snd_hdac_bus_exec_verb(). + */ +int snd_hdac_exec_verb(struct hdac_device *codec, unsigned int cmd, + unsigned int flags, unsigned int *res) +{ + if (codec->exec_verb) + return codec->exec_verb(codec, cmd, flags, res); + return snd_hdac_bus_exec_verb(codec->bus, codec->addr, cmd, res); +} +EXPORT_SYMBOL_GPL(snd_hdac_exec_verb); + + +/** * snd_hdac_read - execute a verb * @codec: the codec object * @nid: NID to execute a verb @@ -208,7 +230,7 @@ int snd_hdac_read(struct hdac_device *codec, hda_nid_t nid, { unsigned int cmd = snd_hdac_make_cmd(codec, nid, verb, parm); - return snd_hdac_bus_exec_verb(codec->bus, codec->addr, cmd, res); + return snd_hdac_exec_verb(codec, cmd, 0, res); } EXPORT_SYMBOL_GPL(snd_hdac_read); |