summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorRakesh Ughreja2018-06-02 05:53:58 +0200
committerTakashi Iwai2018-06-28 07:33:29 +0200
commitcb04ba33187ca571142b67c2fb60d0a8c24994c8 (patch)
treea5c64763d618a40bc3a5ccf8b7337698efa55f91
parentALSA: hdac: remove memory allocation from snd_hdac_ext_bus_device_init (diff)
downloadkernel-qcow2-linux-cb04ba33187ca571142b67c2fb60d0a8c24994c8.tar.gz
kernel-qcow2-linux-cb04ba33187ca571142b67c2fb60d0a8c24994c8.tar.xz
kernel-qcow2-linux-cb04ba33187ca571142b67c2fb60d0a8c24994c8.zip
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 59ffe63cf194..f1baaa88e766 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 c188b801239f..f34aced69ca8 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 1eb58244688e..9c37d9af3023 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 3a7f5eb4902b..00e051467a40 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);