diff options
| author | Ingo Molnar <[email protected]> | 2020-02-24 11:36:09 +0100 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2020-02-24 11:36:09 +0100 |
| commit | 546121b65f47384e11ec1fa2e55449fc9f4846b2 (patch) | |
| tree | 8f18470ec7c0c77b0f48eb1b2338e591b0b0aaff /sound/hda/ext/hdac_ext_controller.c | |
| parent | 000619680c3714020ce9db17eef6a4a7ce2dc28b (diff) | |
| parent | f8788d86ab28f61f7b46eb6be375f8a726783636 (diff) | |
Merge tag 'v5.6-rc3' into sched/core, to pick up fixes and dependent patches
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'sound/hda/ext/hdac_ext_controller.c')
| -rw-r--r-- | sound/hda/ext/hdac_ext_controller.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/sound/hda/ext/hdac_ext_controller.c b/sound/hda/ext/hdac_ext_controller.c index cfab60d88c92..4d060d5b1db6 100644 --- a/sound/hda/ext/hdac_ext_controller.c +++ b/sound/hda/ext/hdac_ext_controller.c @@ -28,7 +28,7 @@ /** * snd_hdac_ext_bus_ppcap_enable - enable/disable processing pipe capability - * @ebus: HD-audio extended core bus + * @bus: the pointer to HDAC bus object * @enable: flag to turn on/off the capability */ void snd_hdac_ext_bus_ppcap_enable(struct hdac_bus *bus, bool enable) @@ -50,7 +50,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_ppcap_enable); /** * snd_hdac_ext_bus_ppcap_int_enable - ppcap interrupt enable/disable - * @ebus: HD-audio extended core bus + * @bus: the pointer to HDAC bus object * @enable: flag to enable/disable interrupt */ void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_bus *bus, bool enable) @@ -77,7 +77,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_ppcap_int_enable); /** * snd_hdac_ext_bus_get_ml_capabilities - get multilink capability - * @ebus: HD-audio extended core bus + * @bus: the pointer to HDAC bus object * * This will parse all links and read the mlink capabilities and add them * in hlink_list of extended hdac bus @@ -117,7 +117,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_get_ml_capabilities); /** * snd_hdac_link_free_all- free hdac extended link objects * - * @ebus: HD-audio ext core bus + * @bus: the pointer to HDAC bus object */ void snd_hdac_link_free_all(struct hdac_bus *bus) @@ -134,7 +134,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_link_free_all); /** * snd_hdac_ext_bus_get_link_index - get link based on codec name - * @ebus: HD-audio extended core bus + * @bus: the pointer to HDAC bus object * @codec_name: codec name */ struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_bus *bus, @@ -211,7 +211,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_link_power_down); /** * snd_hdac_ext_bus_link_power_up_all -power up all hda link - * @ebus: HD-audio extended bus + * @bus: the pointer to HDAC bus object */ int snd_hdac_ext_bus_link_power_up_all(struct hdac_bus *bus) { @@ -232,7 +232,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_link_power_up_all); /** * snd_hdac_ext_bus_link_power_down_all -power down all hda link - * @ebus: HD-audio extended bus + * @bus: the pointer to HDAC bus object */ int snd_hdac_ext_bus_link_power_down_all(struct hdac_bus *bus) { @@ -254,6 +254,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_link_power_down_all); int snd_hdac_ext_bus_link_get(struct hdac_bus *bus, struct hdac_ext_link *link) { + unsigned long codec_mask; int ret = 0; mutex_lock(&bus->lock); @@ -280,9 +281,11 @@ int snd_hdac_ext_bus_link_get(struct hdac_bus *bus, * HDA spec section 4.3 - Codec Discovery */ udelay(521); - bus->codec_mask = snd_hdac_chip_readw(bus, STATESTS); - dev_dbg(bus->dev, "codec_mask = 0x%lx\n", bus->codec_mask); - snd_hdac_chip_writew(bus, STATESTS, bus->codec_mask); + codec_mask = snd_hdac_chip_readw(bus, STATESTS); + dev_dbg(bus->dev, "codec_mask = 0x%lx\n", codec_mask); + snd_hdac_chip_writew(bus, STATESTS, codec_mask); + if (!bus->codec_mask) + bus->codec_mask = codec_mask; } mutex_unlock(&bus->lock); |