diff options
| author | Mark Brown <broonie@kernel.org> | 2020-02-11 16:18:04 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-02-11 16:18:04 +0000 |
| commit | 7b94ace7ec5e81f3bb79c48d306e79eae4fce4a4 (patch) | |
| tree | 630564db58e408983c2f6c3dcd039e50401c2dac /sound/hda | |
| parent | 9d789dc047e32fb0f85ff192f883a534017512a2 (diff) | |
| parent | af7aae1b1f6306a1cda4da393e920a1334eaa3d4 (diff) | |
Merge branch 'for-5.6' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-5.7
Diffstat (limited to 'sound/hda')
| -rw-r--r-- | sound/hda/ext/hdac_ext_controller.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sound/hda/ext/hdac_ext_controller.c b/sound/hda/ext/hdac_ext_controller.c index a684f0520b4b..4d060d5b1db6 100644 --- a/sound/hda/ext/hdac_ext_controller.c +++ b/sound/hda/ext/hdac_ext_controller.c @@ -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); |