diff options
| author | Rakesh Ughreja | 2018-08-22 15:25:03 -0500 |
|---|---|---|
| committer | Mark Brown | 2018-08-28 20:18:13 +0100 |
| commit | 6bae5ea9498926440ffc883f3dbceb0adc65e492 (patch) | |
| tree | 28f83dda3f2da9a5ff333fbd1675dbd5f186ba88 /sound/pci | |
| parent | 00deadb5d86a3c1e691aaa073a8852a198595099 (diff) | |
ASoC: hdac_hda: add asoc extension for legacy HDA codec drivers
This patch adds a kernel module which is used by the legacy HDA
codec drivers as library. This implements hdac_ext_bus_ops to enable
the reuse of legacy HDA codec drivers with ASoC platform drivers.
Signed-off-by: Rakesh Ughreja <rakesh.a.ughreja@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/hda/hda_bind.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_bind.c b/sound/pci/hda/hda_bind.c index 2222b47d4ec4..9174f1b3a987 100644 --- a/sound/pci/hda/hda_bind.c +++ b/sound/pci/hda/hda_bind.c @@ -81,6 +81,12 @@ static int hda_codec_driver_probe(struct device *dev) hda_codec_patch_t patch; int err; + if (codec->bus->core.ext_ops) { + if (WARN_ON(!codec->bus->core.ext_ops->hdev_attach)) + return -EINVAL; + return codec->bus->core.ext_ops->hdev_attach(&codec->core); + } + if (WARN_ON(!codec->preset)) return -EINVAL; @@ -134,6 +140,12 @@ static int hda_codec_driver_remove(struct device *dev) { struct hda_codec *codec = dev_to_hda_codec(dev); + if (codec->bus->core.ext_ops) { + if (WARN_ON(!codec->bus->core.ext_ops->hdev_detach)) + return -EINVAL; + return codec->bus->core.ext_ops->hdev_detach(&codec->core); + } + if (codec->patch_ops.free) codec->patch_ops.free(codec); snd_hda_codec_cleanup_for_unbind(codec); |