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ALSA: hdac: add extended ops in the hdac_bus

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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>
This commit is contained in:
Rakesh Ughreja
2018-06-01 22:53:58 -05:00
committed by Takashi Iwai
parent 6298542fa3
commit cb04ba3318
4 changed files with 15 additions and 3 deletions
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9
include/sound/hdaudio.h
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@@ -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;