From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pierre-Louis Bossart Subject: Re: [PATCH v4 4/7] soundwire: Handle multiple master instances in a stream Date: Tue, 3 Jul 2018 13:59:26 -0500 Message-ID: References: <1529924340-30065-1-git-send-email-shreyas.nc@intel.com> <1529924340-30065-5-git-send-email-shreyas.nc@intel.com> <20180703011302.GH15119@snc-desk> <2fe08662-ad3e-7730-c053-37b729b0a45e@linux.intel.com> <78E8B3DDF116FF4CB089A311DDEB1B345204E483@BGSMSX103.gar.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by alsa0.perex.cz (Postfix) with ESMTP id 8262B26735C for ; Tue, 3 Jul 2018 20:59:29 +0200 (CEST) In-Reply-To: <78E8B3DDF116FF4CB089A311DDEB1B345204E483@BGSMSX103.gar.corp.intel.com> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: "Nc, Shreyas" Cc: Patches Audio , "gregkh@linuxfoundation.org" , "alsa-devel@alsa-project.org" , "vkoul@kernel.org" , "Kale, Sanyog R" List-Id: alsa-devel@alsa-project.org CgpPbiAwNy8wMy8yMDE4IDExOjAzIEFNLCBOYywgU2hyZXlhcyB3cm90ZToKPj4+Pj4gKwlzdHJ1 Y3Qgc2R3X21hc3Rlcl9ydW50aW1lICptX3J0LCAqX21fcnQ7Cj4+Pj4+ICsKPj4+Pj4gICAgCW11 dGV4X2xvY2soJmJ1cy0+YnVzX2xvY2spOwo+Pj4+PiAtCXNkd19yZWxlYXNlX21hc3Rlcl9zdHJl YW0oc3RyZWFtKTsKPj4+Pj4gLQlzZHdfbWFzdGVyX3BvcnRfcmVsZWFzZShidXMsIHN0cmVhbS0+ bV9ydCk7Cj4+Pj4+IC0Jc3RyZWFtLT5zdGF0ZSA9IFNEV19TVFJFQU1fUkVMRUFTRUQ7Cj4+Pj4+ IC0Ja2ZyZWUoc3RyZWFtLT5tX3J0KTsKPj4+Pj4gLQlzdHJlYW0tPm1fcnQgPSBOVUxMOwo+Pj4+ PiArCWxpc3RfZm9yX2VhY2hfZW50cnlfc2FmZShtX3J0LCBfbV9ydCwKPj4+Pj4gKwkJCSZzdHJl YW0tPm1hc3Rlcl9saXN0LCBzdHJlYW1fbm9kZSkgewo+Pj4+PiArCj4+Pj4+ICsJCWlmIChtX3J0 LT5idXMgIT0gYnVzKQo+Pj4+PiArCQkJY29udGludWU7Cj4+Pj4+ICsKPj4+Pj4gKwkJc2R3X21h c3Rlcl9wb3J0X3JlbGVhc2UoYnVzLCBtX3J0KTsKPj4+Pj4gKwkJc2R3X3JlbGVhc2VfbWFzdGVy X3N0cmVhbShtX3J0LCBzdHJlYW0pOwo+Pj4+PiArCX0KPj4+Pj4gKwo+Pj4+PiArCWlmIChsaXN0 X2VtcHR5KCZzdHJlYW0tPm1hc3Rlcl9saXN0KSkKPj4+Pj4gKwkJc3RyZWFtLT5zdGF0ZSA9IFNE V19TVFJFQU1fUkVMRUFTRUQ7Cj4+Pj4gV2hlbiBhIG1hc3RlciBpcyByZW1vdmVkLCB0aGVyZSBp cyBhbiBleHBsaWNpdCB0ZXN0IHRvIG1ha2Ugc3VyZSB0aGUKPj4+PiBzdHJlYW0gc3RhdGUgY2hh bmdlcyB3aGVuIHRoZXJlIGFyZSBubyBtYXN0ZXJzIGxlZnQgaW4gdGhlIGxpc3QsIGJ1dC4uLgo+ Pj4+Cj4+Pj4+ICAgIAltdXRleF91bmxvY2soJmJ1cy0+YnVzX2xvY2spOwo+Pj4+PiBAQCAtMTEy Nyw3ICsxMTY5LDcgQEAgaW50IHNkd19zdHJlYW1fYWRkX21hc3RlcihzdHJ1Y3Qgc2R3X2J1cwo+ PiAqYnVzLAo+Pj4+PiAgICAJc3RyZWFtLT5zdGF0ZSA9IFNEV19TVFJFQU1fQ09ORklHVVJFRDsK Pj4+PiAuLi4gaXQncyBub3Qgc3ltbWV0cmljYWwgZm9yIHRoZSBhZGRfbWFzdGVyIGNhc2UuIFRo ZSBzdHJlYW0gc3RhdGUKPj4+PiBjaGFuZ2VzIG9uIHRoZSBmaXJzdCBhZGRlZCBtYXN0ZXIuIElu IGFkZGl0aW9uIHRoZSBzdHJlYW0gc3RhdGUKPj4+PiBjaGFuZ2VzIGJvdGggd2hlbiBhIHNsYXZl IGlzIGFkZGVkIGFuZCBhIG1hc3RlciBpcyBhZGRlZC4KPj4+PiBJcyB0aGlzIGludGVudGlvbmFs IG9yIG5vdCAtIGFuZCBhcmUgdGhlcmUgc2lkZSBlZmZlY3RzIHJlc3VsdGluZwo+Pj4+IGZyb20g dGhpcyBpbmNvbnNpc3RlbmN5Pwo+Pj4+Cj4+PiBGb3IgcmVtb3ZlX21hc3Rlciwgd2UgYWxyZWFk eSBrbm93IHRoZSBudW1iZXIgb2YgTWFzdGVycyBpbiB0aGUgc3RyZWFtCj4+PiBhbmQgaGVuY2Ug d2UgY2hhbmdlIHRoZSBzdGF0ZSB0byBSRUxFQVNFRCBvbmx5IHdoZW4gdGhlcmUgYXJlIG5vCj4+ PiBNYXN0ZXJzIGxlZnQgaW4gc3RyZWFtLgo+Pj4KPj4+IEJ1dCwgaW4gdGhlIGFkZF9tYXN0ZXIg Y2FzZSwgd2UgaGF2ZSBubyBpZGVhIG9uIGhvdyBtYW55IG1hc3Rlcgo+Pj4gaW5zdGFuY2VzIGFy ZSBwYXJ0IG9mIHRoZSBzdHJlYW0gYW5kIGhlbmNlIGhvdyBtYW55IHRpbWVzIGFkZF9tYXN0ZXIK Pj4gd291bGQgYmUgY2FsbGVkLgo+Pj4gU28sIHdlIGNoYW5nZSB0aGUgc3RyZWFtIHN0YXRlIHRv IENPTkZJR1VSRUQgd2hlbiB0aGUgZmlyc3QgTWFzdGVyIGlzCj4+IGFkZGVkLgo+Pj4gSSBjYW4g YWRkIGEgY29tbWVudCBpZiB0aGF0IGhlbHBzIDopCj4+IEkgZ2V0IHRoZSBwb2ludCwgYnV0IHlv dSBjdXJyZW50bHkgY2hhbmdlIHRoZSBzdGF0ZSBmb3IgdGhlIGZpcnN0IHNsYXZlIHRoYXQncwo+ PiBhZGRlZCwgc28gdGhlcmUgaXMgYW4gaW5jb25zaXN0ZW5jeSBoZXJlIChldmVuIGJlZm9yZSB3 ZSBhZGQgdGhlIG11bHRpLW1hc3Rlcgo+PiBzdXBwb3J0KS4KPiBXaGVuIHdlIGFkZCBhIHNsYXZl LCB3ZSBjaGVjayBpZiB0aGVyZSBpcyBhbiBleGlzdGluZyBtX3J0IGZvciB0aGF0IGJ1cyBpbnN0 YW5jZQo+IGFuZCBpZiBJdCBkb2VzIG5vdCBleGlzdCB3ZSBjcmVhdGUgYSBtX3J0IGZvciB0aGF0 IG1hc3RlciBpbnN0YW5jZSwgYWRkIHRoZSBzbGF2ZQo+IHJ1bnRpbWUgYW5kIGNoYW5nZSB0aGUg c3RhdGUgdG8gQ09ORklHVVJFRC4gU28gdGVjaG5pY2FsbHkgd2Ugc3RpbGwgY2hhbmdlCj4gdGhl IHN0YXRlIGFmdGVyIGFkZGluZyB0aGUgZmlyc3QgbV9ydC4KCklmIHlvdSBtYWRlIG5vIGFzc3Vt cHRpb24gb24gdGhlIG9yZGVyIGluIHdoaWNoIHNsYXZlcyBhbmQgbWFzdGVycyBhcmUgCmFkZGVk IHRoZW4geW91IG5lZWQgdGhpcyBhc3NpZ25tZW50IHRvIENPTkZJR1VSRUQgdHdpY2UuIEJ1dCBp ZiB5b3Uga25vdyAKdGhlIHNsYXZlcyBhcmUgYWRkZWQgZmlyc3QgdGhlbiB0aGUgc2Vjb25kIGFz c2lnbm1lbnQgaXMgaXJyZWxldmFudC4KSXQncyBoYXJkIHRvIG1lbW9yaXplIHJlYWxseSBzaW5j ZSB0aGVyZSBhcmUgcGFydHMgd2hlcmUgeW91IGFzc3VtZSAKdGhpbmdzIGFyZSB0cmlnZ2VyZWQg YnkgZXh0ZXJuYWwgZXZlbnRzIGFuZCBvdGhlcnMgd2hlcmUgdGhlcmUgaXMgbm8gCmFzc3VtcHRp b24gb24gQVBJIHVzZS4uLgoKPgo+PiBJZiBJIHdhbnRlZCB0byBzcGxpdCBoYWlyIEknZCBhbHNv IG5vdGUgaXQncyBhbG1vc3QgbGlrZSB0aGUgc3RhdGUgaXMgQ09ORklHVVJJTkcKPj4gcmF0aGVy IHRoYW4gQ09ORklHVVJFRCBpZiB5b3UgZG9uJ3QgcmVhbGx5IGNvbnRyb2wgd2hlbiBhbGwgY29u ZmlndXJhdGlvbnMgYXJlCj4+IGNvbXBsZXRlIGF0IHRoZSBidXMgbGV2ZWwgYW5kIGRlcGVuZCBv biBleHRlcm5hbCB0cmFuc2l0aW9ucyAoZS5nLiBEQVBNL0FMU0EKPj4gaW5pdGlhdGVkKSB0byBn byBpbiBQUkVQQVJFRCBtb2RlLgo+Pgo+Pj4gWWVzLCBpdCBpcyBhZGRlZCBpbnRlbnRpb25hbGx5 IChvciByYXRoZXIgYmVjYXVzZSB3ZSBjb3VsZCBub3QgdGhpbmsKPj4+IG9mIGFueSBvdGhlciBz dWl0YWJsZSB3YXkpIGFuZCB3ZSBkb250IHNlZSBhbnkgc2lkZSBlZmZlY3RzLiBBbnl0aGluZwo+ Pj4gdGhhdCB5b3UgY291bGQgdGhpbmsgb2Y/Cj4+IFdlIHNob3VsZCBjaGVjayB3aGF0IGhhcHBl bnMgaWYgdGhlIHN0cmVhbSBpcyByZW1vdmVkIGJlZm9yZSBiZWluZyBlbmFibGVkLAo+PiBvciBh bGwgY2FzZXMgb2YgdGVzdGluZyBzdHJlYW0tPnN0YXRlLgo+IFdoaWxlIHJlbGVhc2luZyB0aGUg c3RyZWFtIHdlIHVuY29uZGl0aW9uYWxseSBjbGVhbiB1cCB0aGluZ3Mgd2l0aG91dCBjaGVja2lu Zwo+IHN0cmVhbSBzdGF0ZS4gU28sIHdlIHNob3VsZCBiZSBmaW5lIHRoYXQgd2F5LiBCdXQsIEkg Y2FuIGNoZWNrIHRoZXNlIDopCkEgcXVpY2sgY2hlY2sgZm9yIHN0cmVhbS0+c3RhdGUgZ2l2ZXMg bWUgdGhpczoKCiDCoMKgwqAgc3RyZWFtLT5zdGF0ZSA9IFNEV19TVFJFQU1fQ09ORklHVVJFRDsK CiA+Pj4gc28gaGVyZSBpdCdzIGEgc3VjY2VzcyBjYXNlIGJ1dCB3ZSBmYWxsYmFjayB0byBhbiBl cnJvciBjYXNlLi4uCgpzdHJlYW1fZXJyb3I6CiDCoMKgwqAgc2R3X3JlbGVhc2VfbWFzdGVyX3N0 cmVhbShtX3J0LCBzdHJlYW0pOwplcnJvcjoKIMKgwqDCoCBtdXRleF91bmxvY2soJmJ1cy0+YnVz X2xvY2spOwogwqDCoMKgIHJldHVybiByZXQ7CgpZb3UgYXJlIHByb2JhYmx5IG1pc3NpbmcgYQoK IMKgwqDCoCBzdHJlYW0tPnN0YXRlID0gU0RXX1NUUkVBTV9DT05GSUdVUkVEOwogwqDCoMKgIGdv dG8gZXJyb3I7IC8vPDw8IEFkZCB0aGlzCgphcyBkb25lIGZvciB0aGUgc2xhdmU/CgpXb25kZXJp bmcgaG93IHRoaXMgZXZlciB3b3JrZWQsIHlvdSBtYXkgd2FudCB0byB0cmlwbGUtY2hlY2sgdGhl IHJlZ3VsYXIgCnN0cmVhbSBtYW5hZ2VtZW50IGJlZm9yZSBhZGRpbmcgdGhlIG11bHRpLW1hc3Rl ciBzdHVmZj8KCj4KPiAtLVNocmV5YXMKPiBfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwo+IEFsc2EtZGV2ZWwgbWFpbGluZyBsaXN0Cj4gQWxzYS1kZXZlbEBh bHNhLXByb2plY3Qub3JnCj4gaHR0cDovL21haWxtYW4uYWxzYS1wcm9qZWN0Lm9yZy9tYWlsbWFu L2xpc3RpbmZvL2Fsc2EtZGV2ZWwKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fCkFsc2EtZGV2ZWwgbWFpbGluZyBsaXN0CkFsc2EtZGV2ZWxAYWxzYS1wcm9q ZWN0Lm9yZwpodHRwOi8vbWFpbG1hbi5hbHNhLXByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8v YWxzYS1kZXZlbAo=