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 --- drivers/gpu/drm/i915/intel_audio.c | 4 +++- include/drm/i915_component.h | 4 ++++ include/sound/hda_component.h | 5 +++-- sound/hda/hdac_component.c | 4 ++-- sound/hda/hdac_i915.c | 6 ++++-- 5 files changed, 16 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c index de26cd0a5497..5104c6bbd66f 100644 --- a/drivers/gpu/drm/i915/intel_audio.c +++ b/drivers/gpu/drm/i915/intel_audio.c @@ -984,7 +984,9 @@ void i915_audio_component_init(struct drm_i915_private *dev_priv) { int ret;
- ret = component_add(dev_priv->drm.dev, &i915_audio_component_bind_ops); + ret = component_add_typed(dev_priv->drm.dev, + &i915_audio_component_bind_ops, + I915_COMPONENT_AUDIO); if (ret < 0) { DRM_ERROR("failed to add audio component (%d)\n", ret); /* continue with reduced functionality */ diff --git a/include/drm/i915_component.h b/include/drm/i915_component.h index fca22d463e1b..72fbb037f9b3 100644 --- a/include/drm/i915_component.h +++ b/include/drm/i915_component.h @@ -26,6 +26,10 @@
#include "drm_audio_component.h"
+enum i915_component_type { + I915_COMPONENT_AUDIO = 1, +}; + /* MAX_PORT is the number of port * It must be sync with I915_MAX_PORTS defined i915_drv.h */ diff --git a/include/sound/hda_component.h b/include/sound/hda_component.h index 2ec31b358950..d4804c72d959 100644 --- a/include/sound/hda_component.h +++ b/include/sound/hda_component.h @@ -20,7 +20,7 @@ int snd_hdac_acomp_get_eld(struct hdac_device *codec, hda_nid_t nid, int dev_id, bool *audio_enabled, char *buffer, int max_bytes); 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); int snd_hdac_acomp_exit(struct hdac_bus *bus); int snd_hdac_acomp_register_notifier(struct hdac_bus *bus, @@ -47,7 +47,8 @@ static inline int snd_hdac_acomp_get_eld(struct hdac_device *codec, hda_nid_t ni } static inline 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) { return -ENODEV; diff --git a/sound/hda/hdac_component.c b/sound/hda/hdac_component.c index a6d37b9d6413..5c95933e739a 100644 --- a/sound/hda/hdac_component.c +++ b/sound/hda/hdac_component.c @@ -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) diff --git a/sound/hda/hdac_i915.c b/sound/hda/hdac_i915.c index 617ff1aa818f..7aee090e3d27 100644 --- a/sound/hda/hdac_i915.c +++ b/sound/hda/hdac_i915.c @@ -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 */