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ALSA: hdac: Remove usage of struct hdac_ext_driver, use hdac_driver instead 

This patch removes the hdac_ext_driver structure. The legacy and
enhanced HDaudio capabilities can be handled in a backward-compatible
way without separate definitions.

Signed-off-by: Rakesh Ughreja <rakesh.a.ughreja@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Rakesh Ughreja 2018-06-01 22:53:51 -05:00 committed by Takashi Iwai
parent 76f56fae1c
commit e1df9317cb
4 changed files with 26 additions and 38 deletions
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5
include/sound/hdaudio.h
View File

@ -188,6 +188,11 @@ struct hdac_driver {
const struct hda_device_id *id_table;
int (*match)(struct hdac_device *dev, struct hdac_driver *drv);
void (*unsol_event)(struct hdac_device *dev, unsigned int event);
/* fields used by ext bus APIs */
int (*probe)(struct hdac_device *dev);
int (*remove)(struct hdac_device *dev);
void (*shutdown)(struct hdac_device *dev);
};
#define drv_to_hdac_driver(_drv) container_of(_drv, struct hdac_driver, driver)

17
include/sound/hdaudio_ext.h
View File

@ -160,20 +160,7 @@ struct hdac_ext_dma_params {
u8 stream_tag;
};
/*
* HD-audio codec base driver
*/
struct hdac_ext_driver {
struct hdac_driver hdac;
int (*probe)(struct hdac_device *dev);
int (*remove)(struct hdac_device *dev);
void (*shutdown)(struct hdac_device *dev);
};
int snd_hda_ext_driver_register(struct hdac_ext_driver *drv);
void snd_hda_ext_driver_unregister(struct hdac_ext_driver *drv);
#define to_ehdac_driver(_drv) container_of(_drv, struct hdac_ext_driver, hdac)
int snd_hda_ext_driver_register(struct hdac_driver *drv);
void snd_hda_ext_driver_unregister(struct hdac_driver *drv);
#endif /* __SOUND_HDAUDIO_EXT_H */

30
sound/hda/ext/hdac_ext_bus.c
View File

@ -200,12 +200,10 @@ EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_device_remove);
#define dev_to_hdac(dev) (container_of((dev), \
struct hdac_device, dev))
static inline struct hdac_ext_driver *get_edrv(struct device *dev)
static inline struct hdac_driver *get_hdrv(struct device *dev)
{
struct hdac_driver *hdrv = drv_to_hdac_driver(dev->driver);
struct hdac_ext_driver *edrv = to_ehdac_driver(hdrv);
return edrv;
return hdrv;
}
static inline struct hdac_device *get_hdev(struct device *dev)
@ -216,17 +214,17 @@ static inline struct hdac_device *get_hdev(struct device *dev)
static int hda_ext_drv_probe(struct device *dev)
{
return (get_edrv(dev))->probe(get_hdev(dev));
return (get_hdrv(dev))->probe(get_hdev(dev));
}
static int hdac_ext_drv_remove(struct device *dev)
{
return (get_edrv(dev))->remove(get_hdev(dev));
return (get_hdrv(dev))->remove(get_hdev(dev));
}
static void hdac_ext_drv_shutdown(struct device *dev)
{
return (get_edrv(dev))->shutdown(get_hdev(dev));
return (get_hdrv(dev))->shutdown(get_hdev(dev));
}
/**
@ -234,20 +232,20 @@ static void hdac_ext_drv_shutdown(struct device *dev)
*
* @drv: ext hda driver structure
*/
int snd_hda_ext_driver_register(struct hdac_ext_driver *drv)
int snd_hda_ext_driver_register(struct hdac_driver *drv)
{
drv->hdac.type = HDA_DEV_ASOC;
drv->hdac.driver.bus = &snd_hda_bus_type;
drv->type = HDA_DEV_ASOC;
drv->driver.bus = &snd_hda_bus_type;
/* we use default match */
if (drv->probe)
drv->hdac.driver.probe = hda_ext_drv_probe;
drv->driver.probe = hda_ext_drv_probe;
if (drv->remove)
drv->hdac.driver.remove = hdac_ext_drv_remove;
drv->driver.remove = hdac_ext_drv_remove;
if (drv->shutdown)
drv->hdac.driver.shutdown = hdac_ext_drv_shutdown;
drv->driver.shutdown = hdac_ext_drv_shutdown;
return driver_register(&drv->hdac.driver);
return driver_register(&drv->driver);
}
EXPORT_SYMBOL_GPL(snd_hda_ext_driver_register);
@ -256,8 +254,8 @@ EXPORT_SYMBOL_GPL(snd_hda_ext_driver_register);
*
* @drv: ext hda driver structure
*/
void snd_hda_ext_driver_unregister(struct hdac_ext_driver *drv)
void snd_hda_ext_driver_unregister(struct hdac_driver *drv)
{
driver_unregister(&drv->hdac.driver);
driver_unregister(&drv->driver);
}
EXPORT_SYMBOL_GPL(snd_hda_ext_driver_unregister);

12
sound/soc/codecs/hdac_hdmi.c
View File

@ -2186,14 +2186,12 @@ static const struct hda_device_id hdmi_list[] = {
MODULE_DEVICE_TABLE(hdaudio, hdmi_list);
static struct hdac_ext_driver hdmi_driver = {
. hdac = {
.driver = {
.name = "HDMI HDA Codec",
.pm = &hdac_hdmi_pm,
},
.id_table = hdmi_list,
static struct hdac_driver hdmi_driver = {
.driver = {
.name = "HDMI HDA Codec",
.pm = &hdac_hdmi_pm,
},
.id_table = hdmi_list,
.probe = hdac_hdmi_dev_probe,
.remove = hdac_hdmi_dev_remove,
};