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authorRakesh Ughreja <rakesh.a.ughreja@intel.com>2018-06-01 22:53:58 -0500
committerTakashi Iwai <tiwai@suse.de>2018-06-28 07:33:29 +0200
commitcb04ba33187ca571142b67c2fb60d0a8c24994c8 (patch)
treea5c64763d618a40bc3a5ccf8b7337698efa55f91
parent6298542fa33b6ba0e3effbace5b99b70b93ed9ae (diff)
downloadop-kernel-dev-cb04ba33187ca571142b67c2fb60d0a8c24994c8.zip
op-kernel-dev-cb04ba33187ca571142b67c2fb60d0a8c24994c8.tar.gz
ALSA: hdac: add extended ops in the hdac_bus
Add extended ops in the hdac_bus to allow calling the ASoC HDAC library ops to reuse the legacy HDA codec drivers with ASoC framework. Extended ops are used by the legacy codec drivers to call into hdac_hda library, in the subsequent patches.. 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: Takashi Iwai <tiwai@suse.de>
-rw-r--r--include/sound/hdaudio.h9
-rw-r--r--include/sound/hdaudio_ext.h3
-rw-r--r--sound/hda/ext/hdac_ext_bus.c4
-rw-r--r--sound/soc/intel/skylake/skl.c2
4 files changed, 15 insertions, 3 deletions
diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
index 59ffe63..f1baaa8 100644
--- a/include/sound/hdaudio.h
+++ b/include/sound/hdaudio.h
@@ -214,6 +214,14 @@ struct hdac_bus_ops {
};
/*
+ * ops used for ASoC HDA codec drivers
+ */
+struct hdac_ext_bus_ops {
+ int (*hdev_attach)(struct hdac_device *hdev);
+ int (*hdev_detach)(struct hdac_device *hdev);
+};
+
+/*
* Lowlevel I/O operators
*/
struct hdac_io_ops {
@@ -265,6 +273,7 @@ struct hdac_bus {
struct device *dev;
const struct hdac_bus_ops *ops;
const struct hdac_io_ops *io_ops;
+ const struct hdac_ext_bus_ops *ext_ops;
/* h/w resources */
unsigned long addr;
diff --git a/include/sound/hdaudio_ext.h b/include/sound/hdaudio_ext.h
index c188b80..f34aced 100644
--- a/include/sound/hdaudio_ext.h
+++ b/include/sound/hdaudio_ext.h
@@ -6,7 +6,8 @@
int snd_hdac_ext_bus_init(struct hdac_bus *bus, struct device *dev,
const struct hdac_bus_ops *ops,
- const struct hdac_io_ops *io_ops);
+ const struct hdac_io_ops *io_ops,
+ const struct hdac_ext_bus_ops *ext_ops);
void snd_hdac_ext_bus_exit(struct hdac_bus *bus);
int snd_hdac_ext_bus_device_init(struct hdac_bus *bus, int addr,
diff --git a/sound/hda/ext/hdac_ext_bus.c b/sound/hda/ext/hdac_ext_bus.c
index 1eb5824..9c37d9a 100644
--- a/sound/hda/ext/hdac_ext_bus.c
+++ b/sound/hda/ext/hdac_ext_bus.c
@@ -89,7 +89,8 @@ static const struct hdac_io_ops hdac_ext_default_io = {
*/
int snd_hdac_ext_bus_init(struct hdac_bus *bus, struct device *dev,
const struct hdac_bus_ops *ops,
- const struct hdac_io_ops *io_ops)
+ const struct hdac_io_ops *io_ops,
+ const struct hdac_ext_bus_ops *ext_ops)
{
int ret;
static int idx;
@@ -102,6 +103,7 @@ int snd_hdac_ext_bus_init(struct hdac_bus *bus, struct device *dev,
if (ret < 0)
return ret;
+ bus->ext_ops = ext_ops;
INIT_LIST_HEAD(&bus->hlink_list);
bus->idx = idx++;
diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c
index 3a7f5eb..00e0514 100644
--- a/sound/soc/intel/skylake/skl.c
+++ b/sound/soc/intel/skylake/skl.c
@@ -803,7 +803,7 @@ static int skl_create(struct pci_dev *pci,
}
bus = skl_to_bus(skl);
- snd_hdac_ext_bus_init(bus, &pci->dev, &bus_core_ops, io_ops);
+ snd_hdac_ext_bus_init(bus, &pci->dev, &bus_core_ops, io_ops, NULL);
bus->use_posbuf = 1;
skl->pci = pci;
INIT_WORK(&skl->probe_work, skl_probe_work);
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