From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Anand, Jerome" <jerome.anand@intel.com>
Subject: Re: [RFC PATCH v3 2/7] drm/i915: Add support for audio
 driver notifications
Date: Tue, 29 Nov 2016 16:22:10 +0000
Message-ID: <F6867404AABACB4D8EC371BF802A4B7C14927E73@fmsmsx101.amr.corp.intel.com>
References: <20161124235548.16440-1-jerome.anand@intel.com>
 <20161124235548.16440-3-jerome.anand@intel.com>
 <20161124133240.GR31595@intel.com>
 <F6867404AABACB4D8EC371BF802A4B7C14925ABA@fmsmsx101.amr.corp.intel.com>
 <20161128140008.GB31595@intel.com>
 <F6867404AABACB4D8EC371BF802A4B7C14927355@fmsmsx101.amr.corp.intel.com>
 <20161128170108.GK31595@intel.com>
 <bd87ae9c-cbde-87f3-8b0d-700df08b2585@linux.intel.com>
 <20161128193055.GL31595@intel.com>
 <b78fb617-75a7-ba12-d471-9958d9ab2747@linux.intel.com>
 <s5h8ts26688.wl-tiwai@suse.de>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
In-Reply-To: <s5h8ts26688.wl-tiwai@suse.de>
Content-Language: en-US
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/intel-gfx>
List-Post: <mailto:intel-gfx@lists.freedesktop.org>
List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe>
Errors-To: intel-gfx-bounces@lists.freedesktop.org
Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
To: Takashi Iwai <tiwai@suse.de>, Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: "intel-gfx@lists.freedesktop.org" <intel-gfx@lists.freedesktop.org>, "broonie@kernel.org" <broonie@kernel.org>, "Ughreja,
 Rakesh A" <rakesh.a.ughreja@intel.com>, "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>
List-Id: alsa-devel@alsa-project.org

DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogVGFrYXNoaSBJd2FpIFtt
YWlsdG86dGl3YWlAc3VzZS5kZV0NCj4gU2VudDogVHVlc2RheSwgTm92ZW1iZXIgMjksIDIwMTYg
MTo1OCBQTQ0KPiBUbzogUGllcnJlLUxvdWlzIEJvc3NhcnQgPHBpZXJyZS1sb3Vpcy5ib3NzYXJ0
QGxpbnV4LmludGVsLmNvbT4NCj4gQ2M6IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFsYUBs
aW51eC5pbnRlbC5jb20+OyBBbmFuZCwgSmVyb21lDQo+IDxqZXJvbWUuYW5hbmRAaW50ZWwuY29t
PjsgaW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZzsgYWxzYS0NCj4gZGV2ZWxAYWxzYS1w
cm9qZWN0Lm9yZzsgYnJvb25pZUBrZXJuZWwub3JnOyBVZ2hyZWphLCBSYWtlc2ggQQ0KPiA8cmFr
ZXNoLmEudWdocmVqYUBpbnRlbC5jb20+DQo+IFN1YmplY3Q6IFJlOiBbUkZDIFBBVENIIHYzIDIv
N10gZHJtL2k5MTU6IEFkZCBzdXBwb3J0IGZvciBhdWRpbyBkcml2ZXINCj4gbm90aWZpY2F0aW9u
cw0KPiANCj4gT24gTW9uLCAyOCBOb3YgMjAxNiAyMjo1NjoyNCArMDEwMCwNCj4gUGllcnJlLUxv
dWlzIEJvc3NhcnQgd3JvdGU6DQo+ID4NCj4gPiBPbiAxMS8yOC8xNiAxOjMwIFBNLCBWaWxsZSBT
eXJqw6Rsw6Qgd3JvdGU6DQo+ID4gPiBPbiBNb24sIE5vdiAyOCwgMjAxNiBhdCAwMToxMzozMVBN
IC0wNjAwLCBQaWVycmUtTG91aXMgQm9zc2FydCB3cm90ZToNCj4gPiA+Pg0KPiA+ID4+IE9uIDEx
LzI4LzE2IDExOjAxIEFNLCBWaWxsZSBTeXJqw6Rsw6Qgd3JvdGU6DQo+ID4gPj4+Pj4+Pj4gKwkJ
CWlmIChwZGF0YS0+bm90aWZ5X2F1ZGlvX2xwZSkNCj4gPiA+Pj4+Pj4+PiArCQkJCXBkYXRhLT5u
b3RpZnlfYXVkaW9fbHBlKA0KPiA+ID4+Pj4+Pj4+ICsJCQkJCShlbGQgIT0gTlVMTCkgPyAmcGRh
dGEtPmVsZCA6DQo+IE5VTEwpOw0KPiA+ID4+Pj4+Pj4+ICsJCQllbHNlDQo+ID4gPj4+Pj4+Pj4g
KwkJCQlwZGF0YS0+bm90aWZ5X3BlbmRpbmcgPSB0cnVlOw0KPiA+ID4+Pj4+Pj4gU3RpbGwgbm90
IHN1cmUgd2h5IHRoZSAicGVuZGluZyIgdGhpbmcgaXMgdXNlZnVsLiBDYW4ndCB0aGUNCj4gPiA+
Pj4+Pj4+IGF1ZGlvIGRyaXZlciBqdXN0IGRvIGl0cyB0aGluZyAod2hhdGV2ZXIgaXQgaXMpIHVu
Y29uZGl0aW9uYWxseT8NCj4gPiA+Pj4+Pj4+DQo+ID4gPj4+Pj4+IFRoaXMgaXMgYWRkZWQgdG8g
YXZvaWQgcmFjZSB3aGVuIGF1ZGlvIGRyaXZlciBsb2FkcyBsYXRlIGFuZA0KPiA+ID4+Pj4+PiB0
aGUgbm90aWZpY2F0aW9uDQo+ID4gPj4+Pj4gZnJvbSBkaXNwbGF5IGhhcyBhbHJlYWR5IHBhc3Nl
ZC4NCj4gPiA+Pj4+Pg0KPiA+ID4+Pj4+IFlvdSBrZWVwIHNheWluZyB0aGF0IGJ1dCBJIGNhbid0
IHNlZSBpdC4NCj4gPiA+Pj4+Pg0KPiA+ID4+Pj4gSSBoYXZlIHNlZW4gdGhpcyBoYXBwZW4gLSBi
ZWZvcmUgYXVkaW8gZHJpdmVyIGlzIGxvYWRlZCwgY29kZWMgZW5hYmxlDQo+IGNvbXBsZXRlcyBh
bmQgbm90aWZpY2F0aW9uIGlzIHNlbnQgdG8gdGhlIGF1ZGlvIGRyaXZlci4NCj4gPiA+Pj4+IFNp
bmNlIHRoZSBhdWRpbyBjYWxsYmFja3MgYXJlIG5vdCBpbml0aWFsaXplZCwgbm90aWZpY2F0aW9u
IGdldHMgbWlzc2VkLg0KPiA+ID4+PiBTdXJlLiBCdXQgd2hhdCBkb2VzIHRoZSBleHRyYSBub3Rp
ZmljYXRpb25fcGVuZGluZyBmbGFnIGJ1eSB1cz8NCj4gPiA+Pj4gVGhlIGF1ZGlvIGRyaXZlciBj
b3VsZCBqdXN0IGNoZWNrIHRoZSBlbGQvdG1kc19jbG9jay9wb3J0IGRpcmVjdGx5Lg0KPiA+ID4+
Pg0KPiA+ID4+Pj4+Pj4gV2hlbiBkaXNhYmxpbmcganVzdCBjbGVhciB0aGUgcG9ydCB0byBJTlZB
TElELCBlbGQgdG8gemVybywNCj4gPiA+Pj4+Pj4+IGFuZCB0bWRzIGNsb2NrIHRvIDAsIGFuZCBp
dCBzaG91bGQgYWxsIGJlIGZpbmUgbm8/DQo+ID4gPj4+Pj4+Pg0KPiA+ID4+Pj4+PiBZZXMsIHRo
YXQncyB3aGF0IGlzIGJlaW5nIGRvbmUuDQo+ID4gPj4+Pj4gV2hlcmU/DQo+ID4gPj4+Pj4NCj4g
PiA+Pj4+IE5vdGlmeSBjYWxsYmFjayB3aWxsIGhhdmUgZWxkIHRvIE5VTEwgYW5kIHRtZHMgdG8g
emVybyBzZW50IGluDQo+ID4gPj4+PiBjb2RlY19kaXNhYmxlDQo+ID4gPj4+IEJ1dCB0aGUgZHJp
dmVyIGNhbiBsb29rIHRob3NlIHRoaWducyB1cCBkaXJlY3RseSBhcyB3ZWxsIGl0IHNlZW1zLg0K
PiA+ID4+PiBTbyB0aGlzIHdob2xlIHRoaW5nIGlzIGEgYml0IG9mIGEgbWVzcyBvbiBhY2NvdW50
IG9mIHNoYXJpbmcgdGhlDQo+ID4gPj4+IHBsYXRmb3JtIGFzIGEgY29tbXVuaWNhdGlvbiBjaGFu
bmVsIGFuZCBhbHNvIHRyeWluZyB0byBwYXNzIHRoZQ0KPiA+ID4+PiB0aGluZ3MgYXMgcGFyYWFt
ZXRlcnMgdG8gdGhlIG5vdGlmeSBob29rLiBJIHRoaW5rIHdlIG5lZWQgdG8gcGljaw0KPiA+ID4+
PiBvbmUgb3IgdGhlIG90aGVyIGFwcHJvYWNoLCBub3Qgc29tZSBtaXNtYXNoIG9mIGJvdGguDQo+
ID4gPj4NCj4gPiA+PiBJbmRlZWQgaXQgbG9va3Mgd2VpcmQgdG8gaGF2ZSBib3RoIGEgcGFyYW1l
dGVyIGZvciB0bWRzX2Nsb2NrIGluDQo+ID4gPj4gdGhlIHBkYXRhIEFORCB0aGUgbm90aWZ5IHBh
cmFtZXRlciwgdGhpcyBjYW4gcHJvYmFibHkgYmUgY2xlYW5lZC11cC4NCj4gPiA+Pg0KPiA+ID4+
IFRoYXQgc2FpZCwgSSBhbSBub3Qgc3VyZSBJIGNvbXBsZXRlbHkgdW5kZXJzdGFuZCB0aGUgZmVl
ZGJhY2sgdGhhdA0KPiA+ID4+IHRoZSBhdWRpbyBkcml2ZXIgY2FuIGdldCBhbGwgdGhlIGVsZC90
bWRzL3BvcnQgaW5mb3JtYXRpb24NCj4gPiA+PiBkaXJlY3RseS4gV2UgYXJlIHRyeWluZyB0byBh
dm9pZCBhY2Nlc3NpbmcgdGhlIGRhdGEgc3RydWN0dXJlcyBvZiB0aGUgaTkxNQ0KPiBkcml2ZXIu
DQo+ID4gPg0KPiA+ID4gSUlSQyB3aGF0IEkgcHJvcG9zZWQgb3JpZ2luYWxseSBkaWRuJ3QgZXZl
biBleHBvc2UgdGhlIHNhbWUNCj4gPiA+IHN0cnVjdHVyZSB0byBib3RoIHNpZGVzLCBidXQgdGhh
dCdzIG5vdCB3aGF0IHdlIHNlZW0gdG8gaGF2ZSBhdG0uDQo+ID4gPg0KPiA+ID4+IEFyZQ0KPiA+
ID4+IHlvdSBzdWdnZXN0aW5nIGEgc2NoZW1lIHdoZXJlIHRoZSBpOTE1IGRyaXZlciB3b3VsZCBq
dXN0IHByb3ZpZGUgYQ0KPiA+ID4+IGRvb3ItYmVsbCBsaWtlIG5vdGlmaWNhdGlvbiBhbmQgdGhl
IGF1ZGlvIGRyaXZlciB3b3VsZCB1c2UgYQ0KPiA+ID4+IGdldF9lbGQvdG1kcy9wb3J0IGludGVy
ZmFjZSBleHBvc2VkIGJ5IHRoZSBpOTE1IGRyaXZlciBvbiBzdGFydHVwDQo+ID4gPj4gYW5kIHVw
b24gcmVjZWl2aW5nIHRoaXMgbm90aWZpY2F0aW9uPw0KPiA+ID4+DQo+ID4gPg0KPiA+ID4gV2Vs
bCwgd2UgY291bGQgZG8gaXQgdGhhdCB3YXksIG9yIHdlJ2QgZG8gaXQgdGhlIG90aGVyIHdheSB0
aGF0IHRoZQ0KPiA+ID4gYXVkaW8gZHJpdmVyIGp1c3QgY2FsbHMgaTkxNSB0byB0cmlnZ2VycyBh
IHNpbmdsZSBpOTE1LT5hdWRpbyBub3RpZnkNCj4gPiA+IGNhbGwgYWZ0ZXIgdGhlIGF1ZGlvIGRy
aXZlciBoYXMgZmluaXNoZWQgaXRzIHByb2JlLiBPciB3ZSBjb3VsZCBkbw0KPiA+ID4gd2hhdGV2
ZXIgd2Ugc2VlbSB0byBoYXZlIG5vdyBpcyB3aGVyZSB0aGUgYXVkaW8gZHJpdmVyIGNhbiBqdXN0
IHJvb3QNCj4gPiA+IGFyb3VuZCBkaXJlY3RseSBpbiB0aGUgc3RydWN0dXJlIChhdCB3aGljaCBw
b2ludCBwYXNzaW5nIGFueQ0KPiA+ID4gcGFyYW1ldGVycyBpbiB0aGUgbm90aWZ5IGNhbGxzIHNl
ZW1zIHJlZHVuZGFudCBhcyB3ZWxsKS4NCj4gPg0KPiA+IExvb2tpbmcgYXQgc29tZSBvbGRlciBl
bWFpbHMsIGkgdGhpbmsgeW91IHJlY29tbWVuZGVkIGEgJ3JlZ2lzdGVyJw0KPiA+IGNhbGxiYWNr
IHRvIGxldCB0aGUgYXVkaW8gZHJpdmVyIHNpZ25hbCB0byB0aGUgaTkxNSBzaWRlIGl0IGNvbXBs
ZXRlZA0KPiA+IGl0cyBpbml0aWFsaXphdGlvbiwgd2l0aCBhIHNpbmdsZSBub3RpZnkgZ2VuZXJh
dGVkIGlmIG5lZWRlZCAod2hhdCB5b3UNCj4gPiBkZXNjcmliZWQganVzdCBhYm92ZSBhcyAndGhl
IG90aGVyIHdheScpDQo+ID4NCj4gPiBJZiB5b3UgbG9vayBhdCB0aGUgcGF0aCA0IG9mIHRoZSBz
ZXJpZXMsDQo+IA0KPiBJIHNlZW0gdG8gaGF2ZSBtaXNzZWQgdGhlIHdob2xlIHNlcmllcyBieSBz
b21lIHJlYXNvbiwgYm90aCB0byBteSBpbmJveA0KPiBhbmQgdG8gTUwuICBDb3VsZCB5b3UgcmVz
dWJtaXQgbGF0ZXI/DQo+IA0KDQpZZXMgLSBJIHdpbGwgcmVzZW5kIHJmYyB2NCBhZnRlciBhZGRy
ZXNzaW5nIHNvbWUgb2YgVmlsbGUncyBjb21tZW50Lg0KDQo+IA0KPiA+IEplcm9tZSB3YXMgdHJ5
aW5nIHRvDQo+ID4gaW1wbGVtZW50IHRoaXMgd2l0aCBhICdub3RpZnlfcGVuZGluZycgZmllbGQg
aW4gdGhlIHBsYXRmb3JtIGRhdGEgc2V0DQo+ID4gYnkgdGhlIGk5MTUgc2lkZSBhbmQgdXNlZCBk
dXJpbmcgdGhlIGF1ZGlvIGRyaXZlciBwcm9iZQ0KPiA+DQoNClllcyAtIHRoYW5rcyBQaWVycmUu
IEkgYmVsaWV2ZSBWaWxsZSdzIGNvbW1lbnQgd2FzIGFkZHJlc3NlZCB3aXRoIHRoaXMgY2hhbmdl
LiBBbSBub3Qgc3VyZSBpZiB0aGVyZSBpcyBhbnl0aGluZyBjcml0aWNhbGx5DQptaXNzZWQgb3V0
IGxlYWRpbmcgdG8gYSBmbGF3DQoNCj4gPiArCWlmIChwZGF0YS0+bm90aWZ5X3BlbmRpbmcpIHsN
Cj4gPiArDQo+ID4gKwkJcHJfZGVidWcoIiVzOiBoYW5kbGUgcGVuZGluZyBub3RpZmljYXRpb25c
biIsIF9fZnVuY19fKTsNCj4gPiArCQlub3RpZnlfYXVkaW9fbHBlKCZwZGF0YS0+ZWxkKTsNCj4g
PiArCQlwZGF0YS0+bm90aWZ5X3BlbmRpbmcgPSBmYWxzZTsNCj4gPiArCX0NCj4gPg0KPiA+IE1h
eWJlIGFuIGV4cGxpY2l0IGhhbmRzaGFrZSBpcyBtb3JlIHNlbGYtZXhwbGFuYXRvcnkgYW5kIHNh
ZmVyPw0KPiANCj4gSU1PIHllcywgdGhlIHBlbmRpbmcgbm90aWZpY2F0aW9uIGZsYWcgaXNuJ3Qg
aW50cnVzaXZlLg0KPiANCg0KWWVzIC0gSSB0aG91Z2h0IGl0IHdhcyBzaW1wbGVyIHRvIGhhbmRs
ZSB0aGUgbm90aWZpY2F0aW9uIGluIHRoaXMgbWFubmVyDQoNCj4gVGhlcmUgYXJlIGNhc2VzIHdo
ZXJlIHRoZSBhdWRpbyBkcml2ZXIgd2FudHMgdG8gaW5xdWlyZSB0aGUgc3RhdHVzIGZyb20gZ2Z4
DQo+IHNpZGU7IGF0IGxlYXN0LCB0aGUgSEQtYXVkaW8gZHJpdmVyIG5lZWRlZCB0byByZWNoZWNr
IGFmdGVyIFBNLg0KPiANCg0KQW0gbm90IHN1cmUgaWYgdGhlcmUgaXMgYW55IGNhc2UgbGlrZSB0
aGF0IHRvIGJlIGhhbmRsZWQgaGVyZS4gSGVuY2UgYSBzaW1wbGVyIGludGVyZmFjZSB3YXMgY3Jl
YXRlZCBhbmQgaW1wbGVtZW50ZWQNCg0KPiBBbHNvLCBpc24ndCB0aGUgY29kZSBhYm92ZSByYWN5
IHdpdGhvdXQgYSBwcm9wZXIgbXV0ZXg/DQo+IA0KDQpObw0KDQo+IA0KPiB0aGFua3MsDQo+IA0K
PiBUYWthc2hpDQpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f
XwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcK
aHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK