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i915/snd_hdac: I915 subcomponent for the snd_hdac

Bläddra i källkod 
Since we need multiple components for I915 for different purposes
(Audio & Mei_hdcp), we adopt the subcomponents methodology introduced
by the previous patch (mentioned below).

	Author: Daniel Vetter <daniel.vetter@ffwll.ch>
	Date:   Mon Jan 28 17:08:20 2019 +0530

	    components: multiple components for a device

Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by-by: Ramalingam C <ramalinagm.c@intel.com> (commit message)
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> (code)
cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
cc: Russell King <rmk+kernel@arm.linux.org.uk>
cc: Rafael J. Wysocki <rafael@kernel.org>
cc: Jaroslav Kysela <perex@perex.cz>
cc: Takashi Iwai <tiwai@suse.com>
cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
cc: Jani Nikula <jani.nikula@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190207232759.14553-4-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter
2019-02-08 00:27:59 +01:00
förälder 3521ee994b
incheckning 8857c7d065
5 ändrade filer med 16 tillägg och 7 borttagningar
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4
sound/hda/hdac_component.c
Visa fil

@@ -269,7 +269,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_acomp_register_notifier);
*/
int snd_hdac_acomp_init(struct hdac_bus *bus,
const struct drm_audio_component_audio_ops *aops,
int (*match_master)(struct device *, void *),
int (*match_master)(struct device *, int, void *),
size_t extra_size)
{
struct component_match *match = NULL;
@@ -288,7 +288,7 @@ int snd_hdac_acomp_init(struct hdac_bus *bus,
bus->audio_component = acomp;
devres_add(dev, acomp);
component_match_add(dev, &match, match_master, bus);
component_match_add_typed(dev, &match, match_master, bus);
ret = component_master_add_with_match(dev, &hdac_component_master_ops,
match);
if (ret < 0)

6
sound/hda/hdac_i915.c
Visa fil

@@ -82,9 +82,11 @@ void snd_hdac_i915_set_bclk(struct hdac_bus *bus)
}
EXPORT_SYMBOL_GPL(snd_hdac_i915_set_bclk);
static int i915_component_master_match(struct device *dev, void *data)
static int i915_component_master_match(struct device *dev, int subcomponent,
void *data)
{
return !strcmp(dev->driver->name, "i915");
return !strcmp(dev->driver->name, "i915") &&
subcomponent == I915_COMPONENT_AUDIO;
}
/* check whether intel graphics is present */