From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Fri, 17 Aug 2018 15:32:04 +0300 From: Imre Deak Message-ID: <20180817123204.GD3597@ideak-desk.fi.intel.com> References: <20180816180136.9040-1-chris@chris-wilson.co.uk> <20180817091451.GB3597@ideak-desk.fi.intel.com> <153449787031.26830.13641088495171779169@skylake-alporthouse-com> <20180817093801.GC3597@ideak-desk.fi.intel.com> <153449930988.26830.6560592619923339907@skylake-alporthouse-com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <153449930988.26830.6560592619923339907@skylake-alporthouse-com> Subject: Re: [igt-dev] [PATCH i-g-t] lib: Poll for snd_hda_intel discovery List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: imre.deak@intel.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" To: Chris Wilson Cc: igt-dev@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, Takashi Iwai List-ID: T24gRnJpLCBBdWcgMTcsIDIwMTggYXQgMTA6NDg6MjlBTSArMDEwMCwgQ2hyaXMgV2lsc29uIHdy b3RlOgo+IFF1b3RpbmcgSW1yZSBEZWFrICgyMDE4LTA4LTE3IDEwOjM4OjAxKQo+ID4gT24gRnJp LCBBdWcgMTcsIDIwMTggYXQgMTA6MjQ6MzBBTSArMDEwMCwgQ2hyaXMgV2lsc29uIHdyb3RlOgo+ ID4gPiBRdW90aW5nIEltcmUgRGVhayAoMjAxOC0wOC0xNyAxMDoxNDo1MSkKPiA+ID4gPiBPbiBU aHUsIEF1ZyAxNiwgMjAxOCBhdCAwNzowMTozNlBNICswMTAwLCBDaHJpcyBXaWxzb24gd3JvdGU6 Cj4gPiA+ID4gPiBMb2FkaW5nIHRoZSBzb3VuZHMgbW9kdWxlcyBpcyBhc3luY2hyb25vdXMgd2l0 aCB0aGUgc3lzZnMgZGV2aWNlCj4gPiA+ID4gPiBoaWVyYXJjaHkgYmVpbmcgaW5zdGFudGlhdGVk IHNvbWV0aW1lIGFmdGVyIG1vZHByb2JlIHJldHVybnMuIEFzIHN1Y2gKPiA+ID4gPiA+IHdoaWxl IHdlIGFyZSBwcm9iaW5nIGZvciB0aGUgc291bmQgZGV2aWNlLCBwb2xsIGEgZmV3IHRpbWVzIHRv Cj4gPiA+ID4gPiBhY2NvbW1vZGF0ZSB0aGUgYXN5bmMgZGlzY292ZXJ5Lgo+ID4gPiA+ID4gCj4g PiA+ID4gPiBTaWduZWQtb2ZmLWJ5OiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNvbi5j by51az4KPiA+ID4gPiA+IENjOiBJbXJlIERlYWsgPGltcmUuZGVha0BpbnRlbC5jb20+Cj4gPiA+ ID4gPiBDYzogVHZydGtvIFVyc3VsaW4gPHR2cnRrby51cnN1bGluQGxpbnV4LmludGVsLmNvbT4K PiA+ID4gPiAKPiA+ID4gPiA+IC0tLQo+ID4gPiA+ID4gIGxpYi9pZ3RfcG0uYyB8IDY1ICsrKysr KysrKysrKysrKysrKysrKysrKysrKysrKysrKy0tLS0tLS0tLS0tLS0tLS0tLS0KPiA+ID4gPiA+ ICAxIGZpbGUgY2hhbmdlZCwgNDEgaW5zZXJ0aW9ucygrKSwgMjQgZGVsZXRpb25zKC0pCj4gPiA+ ID4gPiAKPiA+ID4gPiA+IGRpZmYgLS1naXQgYS9saWIvaWd0X3BtLmMgYi9saWIvaWd0X3BtLmMK PiA+ID4gPiA+IGluZGV4IDZlOTZkYjIyYi4uZjgyNzA3MjMxIDEwMDY0NAo+ID4gPiA+ID4gLS0t IGEvbGliL2lndF9wbS5jCj4gPiA+ID4gPiArKysgYi9saWIvaWd0X3BtLmMKPiA+ID4gPiA+IEBA IC0xMzgsMzEgKzEzOCwxNyBAQCBzdGF0aWMgdm9pZCBzdHJjaG9tcChjaGFyICpzdHIpCj4gPiA+ ID4gPiAgICAgICAgICAgICAgIHN0cltsZW4gLSAxXSA9IDA7Cj4gPiA+ID4gPiAgfQo+ID4gPiA+ ID4gIAo+ID4gPiA+ID4gLS8qKgo+ID4gPiA+ID4gLSAqIGlndF9wbV9lbmFibGVfYXVkaW9fcnVu dGltZV9wbToKPiA+ID4gPiA+IC0gKgo+ID4gPiA+ID4gLSAqIFdlIGtub3cgdGhhdCBpZiB3ZSBk b24ndCBlbmFibGUgYXVkaW8gcnVudGltZSBQTSwgc25kX2hkYV9pbnRlbCB3aWxsIG5ldmVyCj4g PiA+ID4gPiAtICogcmVsZWFzZSBpdHMgcG93ZXIgd2VsbCByZWZjb3VudCwgYW5kIHdlJ2xsIG5l dmVyIHJlYWNoIHRoZSBMUFNQIHN0YXRlLgo+ID4gPiA+ID4gLSAqIFRoZXJlJ3Mgbm8gZ3VhcmFu dGVlIHRoYXQgaXQgd2lsbCByZWxlYXNlIHRoZSBwb3dlciB3ZWxsIGlmIHdlIGVuYWJsZQo+ID4g PiA+ID4gLSAqIHJ1bnRpbWUgUE0sIGJ1dCBhdCBsZWFzdCB3ZSBjYW4gdHJ5Lgo+ID4gPiA+ID4g LSAqCj4gPiA+ID4gPiAtICogV2UgZG9uJ3QgaGF2ZSBhbnkgYXNzZXJ0aW9ucyBvbiBvcGVuIHNp bmNlIHRoZSB1c2VyIG1heSBub3QgZXZlbiBoYXZlCj4gPiA+ID4gPiAtICogc25kX2hkYV9pbnRl bCBsb2FkZWQsIHdoaWNoIGlzIG5vdCBhIHByb2JsZW0uCj4gPiA+ID4gPiAtICovCj4gPiA+ID4g PiAtdm9pZCBpZ3RfcG1fZW5hYmxlX2F1ZGlvX3J1bnRpbWVfcG0odm9pZCkKPiA+ID4gPiA+ICtz dGF0aWMgaW50IF9faWd0X3BtX2VuYWJsZV9hdWRpb19ydW50aW1lX3BtKHZvaWQpCj4gPiA+ID4g PiAgewo+ID4gPiA+ID4gICAgICAgY2hhciAqcGF0aCA9IE5VTEw7Cj4gPiA+ID4gPiAgICAgICBz dHJ1Y3QgZGlyZW50ICpkZTsKPiA+ID4gPiA+ICAgICAgIERJUiAqZGlyOwo+ID4gPiA+ID4gKyAg ICAgaW50IGVycjsKPiA+ID4gPiA+ICAgICAgIGludCBmZDsKPiA+ID4gPiA+ICAKPiA+ID4gPiA+ IC0gICAgIC8qIENoZWNrIGlmIGFscmVhZHkgZW5hYmxlZC4gKi8KPiA+ID4gPiA+IC0gICAgIGlm IChfX2lndF9wbV9hdWRpb19ydW50aW1lX3Bvd2VyX3NhdmVbMF0pCj4gPiA+ID4gPiAtICAgICAg ICAgICAgIHJldHVybjsKPiA+ID4gPiA+IC0KPiA+ID4gPiA+ICAgICAgIGRpciA9IG9wZW5kaXIo Ii9zeXMvY2xhc3Mvc291bmQiKTsKPiA+ID4gPiA+ICAgICAgIGlmICghZGlyKQo+ID4gPiA+ID4g LSAgICAgICAgICAgICByZXR1cm47Cj4gPiA+ID4gPiArICAgICAgICAgICAgIHJldHVybiAwOwo+ ID4gPiA+ID4gIAo+ID4gPiA+ID4gICAgICAgLyogRmluZCBQQ0kgZGV2aWNlIGNsYWltZWQgYnkg c25kX2hkYV9pbnRlbCBhbmQgdGllZCB0byBpOTE1LiAqLwo+ID4gPiA+ID4gICAgICAgd2hpbGUg KChkZSA9IHJlYWRkaXIoZGlyKSkpIHsKPiA+ID4gPiA+IEBAIC0xOTYsMTggKzE4MiwxNyBAQCB2 b2lkIGlndF9wbV9lbmFibGVfYXVkaW9fcnVudGltZV9wbSh2b2lkKQo+ID4gPiA+ID4gICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgIGRlLT5kX25hbWUpKTsKPiA+ID4gPiA+ICAKPiA+ ID4gPiA+ICAgICAgICAgICAgICAgaWd0X2RlYnVnKCJBdWRpbyBkZXZpY2UgcGF0aCBpcyAlc1xu IiwgcGF0aCk7Cj4gPiA+ID4gPiAtCj4gPiA+ID4gPiAgICAgICAgICAgICAgIGJyZWFrOwo+ID4g PiA+ID4gICAgICAgfQo+ID4gPiA+IAo+ID4gPiA+IENvdWxkIGNsb3NlIGRpciB3aGlsZSBhdCBp dC4KPiA+ID4gCj4gPiA+IEdvb2QgcG9pbnQuCj4gPiA+ICAKPiA+ID4gPiBSZXZpZXdlZC1ieTog SW1yZSBEZWFrIDxpbXJlLmRlYWtAaW50ZWwuY29tPgo+ID4gPiA+IAo+ID4gPiA+IFRoaXMgdGlt ZSB0aGUgY2F0Y2ggd2FzIHRoYXQgc25kX2hkYV9pbnRlbCdzIHNlY29uZCBoYWxmIG9mIHByb2Jl IGlzIHJ1bgo+ID4gPiA+IGZyb20gYSBzY2hlZHVsZWQgd29yay4gKGV2ZW4gdGhvdWdoIHRoZSBm aXJzdCBoYWxmIHJldHVybnMgc3luY2hyb25vdXNseQo+ID4gPiA+IGR1ZSB0byBtb2Rwcm9iZSBi ZWluZyBzeW5jaHJvbm91cyBhcyB5b3UgZm91bmQgbGFzdCB0aW1lKQo+ID4gPiAKPiA+ID4gVGhl IHJlc3VsdHMgZnJvbSB0aGUgQ0kgZGlkbid0IGxvb2sgdG9vIHByb21pc2luZywgYnV0IEknbSBh IGJpdCBkdWJpb3VzCj4gPiA+IGFzIHRvIHdoYXQgZXhhY3RseSB3YXMgdGVzdGVkIGFuZCBzbyBw dXNoZWQgYW55d2F5IDspCj4gPiA+IAo+ID4gPiBXaGF0IG5leHQgaWYgaXQgc3RpbGwgZG9lc24n dCBkaXNjb3ZlciBhbiBhdWRpbyBkZXZpY2U/Cj4gPiAKPiA+IFdlIG5lZWQgdG8gcmVnaXN0ZXIg dGhlIGk5MTUgYXVkaW8gY29tcG9uZW50IChpbiBpdHMgY3VycmVudCBmb3JtIG9yCj4gPiBqdXN0 IGEgc3R1YiB2ZXJzaW9uKSBldmVuIHdpdGggZGlzYWJsZV9kaXNwbGF5PTEsIHNvIHRoYXQgdGhl IGF1ZGlvCj4gPiBkcml2ZXIgY2FuIGNvbnRpbnVlIGl0cyBvd24gcHJvYmluZyAoYmVmb3JlIHRp bWluZyBvdXQgb24gdGhlIDEwc2VjCj4gPiB3YWl0IGZvciB0aGUgYXVkaW8gY29tcG9uZW50KS4g QXRtIHRoZQo+ID4gCj4gPiBpZiAoSU5URUxfSU5GTyhkZXZfcHJpdiktPm51bV9waXBlcyA9PSAw KQo+ID4gICAgICAgICByZXR1cm47Cj4gPiAKPiA+IGluIGk5MTVfYXVkaW9fY29tcG9uZW50X2lu aXQoKSBwcmV2ZW50cyB0aGUgcmVnaXN0cmF0aW9uLgo+IAo+IFJpZ2h0LCB0aGF0J3MgdGhlIG90 aGVyIHF1ZXN0aW9uOiBkbyB3ZSBuZWVkIHRoYXQgYXQgYWxsLi4uCj4gIAo+ID4gPiBIbW0sIGlz IHRoZSAvc3lzL2NsYXNzL3NvdW5kIGNvbnN0cnVjdGlvbiBhc3luYz8gSSB3YXMgYXNzdW1pbmcg aXQgd2FzCj4gPiA+IGNvbnN0cnVjdGVkIGJ5IHRoZSBwYXJlbnQgc25kIG1vZHVsZSBsb25nIGJl Zm9yZSBzbmFfaGRhX2ludGVsIGRvZXMgaXQKPiA+ID4gdGhpbmcuCj4gPiAKPiA+IEFGQUlDUywg YXp4X3Byb2JlX2NvbnRpbnVlKCkgaXMgdGhlIHNjaGVkdWxlZCB3b3JrIGFuZCBpdCB3aWxsIGRv Cj4gPiBzbmRfY2FyZF9yZWdpc3RlcigpLT5kZXZpY2VfYWRkKCkgd2hpY2ggd2lsbCBhZGQgdGhl IHN5c2ZzIGVudHJpZXMuCj4gCj4gQXMgZmFyIGFzIHRoZSBwcm9iZSB3ZSBkbyBoZXJlLCB0aGUg a2V5IHF1ZXN0aW9uIGlzIHdoZXRoZXIKPiBvcGVuZGlyKCIvc3lzL2NsYXNzL3NvdW5kIikgd2ls bCBzdWNjZWVkIGFmdGVyIG1vZHByb2JlIGJ1dCBiZWZvcmUgdGhlCj4gZGV2aWNlcyBoYXZlIGJl ZW4gY29uc3RydWN0ZWQuIFdlIHVzaW5nIHRoYXQgYXMgYSBwcmVkaWNhdGUgYXMgdG8KPiB3aGV0 aGVyIHRoZXJlIGFyZSBhbnkgc291bmQgbW9kdWxlcyB0byB3YWl0IGZvci4KCk9rLCAvc3lzL2Ns YXNzL3NvdW5kIGFwcGVhcnMgaW1tZWRpYXRlbHkgYWZ0ZXIgbW9kcHJvYmUsIEkgbWVhbnQKL3N5 cy9jbGFzcy9zb3VuZC9od0MqIHdoaWNoIGFwcGVhcnMgb25seSBhZnRlciBjb21wb25lbnQgYmlu ZGluZy4gSW4gYW55CmNhc2UgYm90aCBkaXJzIGFyZSBwb2xsZWQgZm9yIGFmdGVyIHlvdXIgaWd0 IHBhdGNoIHNvIHRoYXQgcGFydCBpcyBvawpub3cgaW1vLgoKPiAtQ2hyaXMKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KaWd0LWRldiBtYWlsaW5nIGxpc3QK aWd0LWRldkBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5v cmcvbWFpbG1hbi9saXN0aW5mby9pZ3QtZGV2Cg==