diff options
Diffstat (limited to 'sound/hda/hdac_device.c')
| -rw-r--r-- | sound/hda/hdac_device.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/sound/hda/hdac_device.c b/sound/hda/hdac_device.c index 9f3e37511408..9a526aeef8da 100644 --- a/sound/hda/hdac_device.c +++ b/sound/hda/hdac_device.c @@ -57,6 +57,7 @@ int snd_hdac_device_init(struct hdac_device *codec, struct hdac_bus *bus, codec->addr = addr; codec->type = HDA_DEV_CORE; mutex_init(&codec->widget_lock); + mutex_init(&codec->regmap_lock); pm_runtime_set_active(&codec->dev); pm_runtime_get_noresume(&codec->dev); atomic_set(&codec->in_pm, 0); @@ -134,7 +135,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_device_exit); /** * snd_hdac_device_register - register the hd-audio codec base device - * codec: the device to register + * @codec: the device to register */ int snd_hdac_device_register(struct hdac_device *codec) { @@ -157,7 +158,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_device_register); /** * snd_hdac_device_unregister - unregister the hd-audio codec base device - * codec: the device to unregister + * @codec: the device to unregister */ void snd_hdac_device_unregister(struct hdac_device *codec) { @@ -280,6 +281,10 @@ EXPORT_SYMBOL_GPL(snd_hdac_read); /** * _snd_hdac_read_parm - read a parmeter + * @codec: the codec object + * @nid: NID to read a parameter + * @parm: parameter to read + * @res: pointer to store the read value * * This function returns zero or an error unlike snd_hdac_read_parm(). */ @@ -637,7 +642,7 @@ struct hda_vendor_id { const char *name; }; -static struct hda_vendor_id hda_vendor_ids[] = { +static const struct hda_vendor_id hda_vendor_ids[] = { { 0x1002, "ATI" }, { 0x1013, "Cirrus Logic" }, { 0x1057, "Motorola" }, @@ -692,7 +697,7 @@ struct hda_rate_tbl { (AC_FMT_BASE_##base##K | (((mult) - 1) << AC_FMT_MULT_SHIFT) | \ (((div) - 1) << AC_FMT_DIV_SHIFT)) -static struct hda_rate_tbl rate_bits[] = { +static const struct hda_rate_tbl rate_bits[] = { /* rate in Hz, ALSA rate bitmask, HDA format value */ /* autodetected value used in snd_hda_query_supported_pcm */ @@ -1061,9 +1066,9 @@ EXPORT_SYMBOL_GPL(snd_hdac_check_power_state); * snd_hdac_sync_power_state - wait until actual power state matches * with the target state * - * @hdac: the HDAC device + * @codec: the HDAC device * @nid: NID to send the command - * @target_state: target state to check for + * @power_state: target power state to wait for * * Return power state or PS_ERROR if codec rejects GET verb. */ |