diff options
Diffstat (limited to 'sound/hda/ext/hdac_ext_controller.c')
| -rw-r--r-- | sound/hda/ext/hdac_ext_controller.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/sound/hda/ext/hdac_ext_controller.c b/sound/hda/ext/hdac_ext_controller.c index c0b801fa93c0..08d3313f2df7 100644 --- a/sound/hda/ext/hdac_ext_controller.c +++ b/sound/hda/ext/hdac_ext_controller.c @@ -253,6 +253,30 @@ int snd_hdac_ext_bus_link_power_down_all(struct hdac_bus *bus) } EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_link_power_down_all); +/** + * snd_hdac_ext_bus_link_set_stream_id - maps stream id to link output + * @link: HD-audio ext link to set up + * @stream: stream id + */ +void snd_hdac_ext_bus_link_set_stream_id(struct hdac_ext_link *link, + int stream) +{ + snd_hdac_updatew(link->ml_addr, AZX_REG_ML_LOSIDV, (1 << stream), 1 << stream); +} +EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_link_set_stream_id); + +/** + * snd_hdac_ext_bus_link_clear_stream_id - maps stream id to link output + * @link: HD-audio ext link to set up + * @stream: stream id + */ +void snd_hdac_ext_bus_link_clear_stream_id(struct hdac_ext_link *link, + int stream) +{ + snd_hdac_updatew(link->ml_addr, AZX_REG_ML_LOSIDV, (1 << stream), 0); +} +EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_link_clear_stream_id); + int snd_hdac_ext_bus_link_get(struct hdac_bus *bus, struct hdac_ext_link *hlink) { |