From cb04ba33187ca571142b67c2fb60d0a8c24994c8 Mon Sep 17 00:00:00 2001
From: Rakesh Ughreja <rakesh.a.ughreja@intel.com>
Date: Fri, 1 Jun 2018 22:53:58 -0500
Subject: [PATCH] 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>
---
include/sound/hdaudio.h | 9 +++++++++
include/sound/hdaudio_ext.h | 3 ++-
sound/hda/ext/hdac_ext_bus.c | 4 +++-
sound/soc/intel/skylake/skl.c | 2 +-
4 files changed, 15 insertions(+), 3 deletions(-)
diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
index 59ffe63cf1942..f1baaa88e766d 100644
--- a/include/sound/hdaudio.h
+++ b/include/sound/hdaudio.h
@@ -213,6 +213,14 @@ struct hdac_bus_ops {
int (*link_power)(struct hdac_bus *bus, bool enable);
};
+/*
+ * 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
*/
@@ -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 c188b801239f9..f34aced69ca80 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 1eb58244688e7..9c37d9af3023f 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 3a7f5eb4902b5..00e051467a40e 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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