/**
* snd_hdac_acomp_exit - Finalize audio component
* @bus: HDA core bus
*
* This function is supposed to be used only by a HD-audio controller
* driver that needs the interaction with graphics driver.
*
* This function releases the audio component that has been used.
*
* Returns zero for success or a negative error code.
*/
int snd_hdac_acomp_exit(struct hdac_bus *bus)
{
struct device *dev = bus->dev;
struct drm_audio_component *acomp = bus->audio_component;
if (!acomp)
return 0;
WARN_ON(bus->drm_power_refcount);
if (bus->drm_power_refcount > 0 && acomp->ops)
acomp->ops->put_power(acomp->dev);
component_master_del(dev, &hdac_component_master_ops);
bus->audio_component = NULL;
devres_destroy(dev, hdac_acomp_release, NULL, NULL);
return 0;
}
int snd_hdac_i915_exit(struct hdac_bus *bus)
{
struct device *dev = bus->dev;
struct i915_audio_component *acomp = bus->audio_component;
if (!acomp)
return 0;
WARN_ON(bus->i915_power_refcount);
if (bus->i915_power_refcount > 0 && acomp->ops)
acomp->ops->put_power(acomp->dev);
component_master_del(dev, &hdac_component_master_ops);
kfree(acomp);
bus->audio_component = NULL;
return 0;
}
int snd_hdac_i915_init(struct hdac_bus *bus)
{
struct component_match *match = NULL;
struct device *dev = bus->dev;
struct i915_audio_component *acomp;
int ret;
acomp = kzalloc(sizeof(*acomp), GFP_KERNEL);
if (!acomp)
return -ENOMEM;
bus->audio_component = acomp;
hdac_acomp = acomp;
component_match_add(dev, &match, hdac_component_master_match, bus);
ret = component_master_add_with_match(dev, &hdac_component_master_ops,
match);
if (ret < 0)
goto out_err;
/*
* Atm, we don't support deferring the component binding, so make sure
* i915 is loaded and that the binding successfully completes.
*/
request_module("i915");
if (!acomp->ops) {
ret = -ENODEV;
goto out_master_del;
}
dev_dbg(dev, "bound to i915 component master\n");
return 0;
out_master_del:
component_master_del(dev, &hdac_component_master_ops);
out_err:
kfree(acomp);
bus->audio_component = NULL;
dev_err(dev, "failed to add i915 component master (%d)\n", ret);
return ret;
}
static int etnaviv_pdev_remove(struct platform_device *pdev)
{
component_master_del(&pdev->dev, &etnaviv_master_ops);
return 0;
}
static int sti_tvout_remove(struct platform_device *pdev)
{
component_master_del(&pdev->dev, &sti_tvout_master_ops);
component_del(&pdev->dev, &sti_tvout_ops);
return 0;
}
static int malidp_platform_remove(struct platform_device *pdev)
{
component_master_del(&pdev->dev, &malidp_master_ops);
return 0;
}
static int kirin_drm_platform_remove(struct platform_device *pdev)
{
component_master_del(&pdev->dev, &kirin_drm_ops);
dc_ops = NULL;
return 0;
}
static int vc4_platform_drm_remove(struct platform_device *pdev)
{
component_master_del(&pdev->dev, &vc4_drm_ops);
return 0;
}
static int hdlcd_remove(struct platform_device *pdev)
{
component_master_del(&pdev->dev, &hdlcd_master_ops);
return 0;
}