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Mon, 29 Jun 2026 05:04:46 -0700 (PDT) Received: from localhost ([2a01:e0a:3c5:5fb1:1d21:f5d5:2d3c:23a7]) by smtp.gmail.com with UTF8SMTPSA id 5b1f17b1804b1-49269071d05sm317487775e9.11.2026.06.29.05.04.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Jun 2026 05:04:46 -0700 (PDT) From: Jerome Brunet To: Martin Blumenstingl Subject: Re: [PATCH] ASoC: meson: aiu: fifo-spdif: soft reset the S/PDIF datapath on start/stop In-Reply-To: (Martin Blumenstingl's message of "Fri, 26 Jun 2026 22:41:24 +0200") References: <20260626080422.4191435-1-christianshewitt@gmail.com> User-Agent: mu4e 1.12.9; emacs 30.1 Date: Mon, 29 Jun 2026 14:04:44 +0200 Message-ID: <1jwlvha6xv.fsf@starbuckisacylon.baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260629_050448_616518_0089B9E5 X-CRM114-Status: GOOD ( 18.53 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Neil Armstrong , linux-kernel@vger.kernel.org, Kevin Hilman , Takashi Iwai , linux-sound@vger.kernel.org, Liam Girdwood , Mark Brown , linux-amlogic@lists.infradead.org, Jaroslav Kysela , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org T24gdmVuLiAyNiBqdWluIDIwMjYgYXQgMjI6NDEsIE1hcnRpbiBCbHVtZW5zdGluZ2wgPG1hcnRp bi5ibHVtZW5zdGluZ2xAZ29vZ2xlbWFpbC5jb20+IHdyb3RlOgoKPiBPbiBGcmksIEp1biAyNiwg MjAyNiBhdCAxMDowNOKAr0FNIENocmlzdGlhbiBIZXdpdHQKPiA8Y2hyaXN0aWFuc2hld2l0dEBn bWFpbC5jb20+IHdyb3RlOgo+Pgo+PiBUaGUgSTJTIEZJRk8gc29mdC1yZXNldHMgaXRzIGZhc3Qg ZG9tYWluIG9uIHN0YXJ0IChBSVVfUlNUX1NPRlQgYml0IDAgKwo+PiBBSVVfSTJTX1NZTkMgcmVh ZCBpbiBhaXVfZmlmb19pMnNfdHJpZ2dlciksIG1pcnJvcmluZyB0aGUgZG93bnN0cmVhbQo+PiB2 ZW5kb3IgZHJpdmVyJ3MgYXVkaW9fb3V0X2kyc19lbmFibGUoKS4gVGhlIFMvUERJRiBGSUZPIGhh cyBubyBlcXVpdmFsZW50Ogo+PiBpdCBvbmx5IHRvZ2dsZXMgdGhlIElFQzk1OCBEQ1UsIHNvIGEg c3RhbGUgZGF0YXBhdGggRklGTyBjYW4gYmUgcmVwbGF5ZWQsCj4+IHByb2R1Y2luZyB0aGUgIm1h Y2hpbmUgZ3VuIG5vaXNlIiBidWZmZXIgdW5kZXJydW4gLSBvbiBzdGFydCB3aGVuIHN3aXRjaGlu Zwo+PiBvdXRwdXRzLCBhbmQgb24gc3RvcCB3aGVuIHBsYXliYWNrIGVuZHMuIFRoZSBsYXR0ZXIg aXMgYXVkaWJsZSBvbiBkZXZpY2VzCj4+IHdpdGggYW4gYWx3YXlzLW9uIFMvUERJRi1mZWQgREFD IChlLmcuIHRoZSBFUzcxNDQgb24gdGhlIFdlVGVrIFBsYXkyKS4KPj4KPj4gVGhlIHZlbmRvciBk cml2ZXIgcmVzZXRzIHRoZSBJRUM5NTggZmFzdCBkb21haW4gKEFJVV9SU1RfU09GVCBiaXQgMikg b24KPj4gYm90aCBlbmFibGUgYW5kIGRpc2FibGUgKGF1ZGlvX2h3Xzk1OF9lbmFibGUpLCBhbmQg d2hlbiByZWNvbmZpZ3VyaW5nCj4+IChhdWRpb19od185NThfcmVzZXQgY2xlYXJzIEFJVV85NThf RENVX0ZGX0NUUkwgdGhlbiByZXNldHMpLiBEbyB0aGUgc2FtZToKPj4gcmVzZXQgYmVmb3JlIGVu YWJsaW5nIHRoZSBEQ1Ugb24gc3RhcnQsIGFuZCBhZnRlciBkaXNhYmxpbmcgaXQgb24gc3RvcC4K Pj4KPj4gU2lnbmVkLW9mZi1ieTogQ2hyaXN0aWFuIEhld2l0dCA8Y2hyaXN0aWFuc2hld2l0dEBn bWFpbC5jb20+Cj4gUmV2aWV3ZWQtYnk6IE1hcnRpbiBCbHVtZW5zdGluZ2wgPG1hcnRpbi5ibHVt ZW5zdGluZ2xAZ29vZ2xlbWFpbC5jb20+Cj4KPiBUaGlzIG1hdGNoZXMgdGhlIHZlbmRvciBkcml2 ZXIsIHJlZmVyZW5jZXM6Cj4gLSBmYXN0LXJlc2V0IFNQRElGIGlzIHRyaWdnZXJlZCBvbiBlbmFi bGUgYW5kIGRpc2FibGU6IFswXQo+IC0gZmFzdC1yZXNldCBTUERJRiBpcyB0cmlnZ2VyZWQgYWZ0 ZXIgYWxsIG9mIHRoZSBjb25maWd1cmF0aW9uIGlzCj4gd3JpdHRlbiwgdGhlbiBEQ1VfRkZfQ1RS TCBpcyBlbmFibGVkOiBbMV0KClRha2Ugd2hhdCB0aGUgdmVuZG9yIGRyaXZlciBkb2VzIHdpdGgg YSBncmFpbiBvZiBzYWx0LCBlc3BlY2lhbGx5IHdoZW4KaXQgY29tZXMgdG8gYXVkaW8KCj4KPiBb Li4uXQo+PiAgICAgICAgIGNhc2UgU05EUlZfUENNX1RSSUdHRVJfU1VTUEVORDoKPj4gICAgICAg ICBjYXNlIFNORFJWX1BDTV9UUklHR0VSX1BBVVNFX1BVU0g6Cj4+ICAgICAgICAgY2FzZSBTTkRS Vl9QQ01fVFJJR0dFUl9TVE9QOgo+PiAgICAgICAgICAgICAgICAgZmlmb19zcGRpZl9kY3VfZW5h YmxlKGNvbXBvbmVudCwgZmFsc2UpOwo+PiArICAgICAgICAgICAgICAgc25kX3NvY19jb21wb25l bnRfd3JpdGUoY29tcG9uZW50LCBBSVVfUlNUX1NPRlQsCj4+ICsgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICBBSVVfUlNUX1NPRlRfOTU4X0ZBU1QpOwo+IEl0IGRvZXNuJ3Qg c2VlbSB0byBtYWtlIGFueSBkaWZmZXJlbmNlLCBzbyBqdXN0IGZvciB0aGUgcmVjb3JkOgo+IFRo ZSB2ZW5kb3IgZHJpdmVyIGZpcnN0IHRyaWdnZXJzIEFJVV9SU1RfU09GVF85NThfRkFTVCB0aGVu IGRpc2FibGVzIERDVTogWzJdCj4KCk9uZSBjb3VsZCBldmVuIHdvbmRlciBpZiB0aGVyZSBpcyBh bnkgcG9pbnQgaW4gYXBwbHlpbmcgYSByZXNldCB3aGVuCmV2ZXJ5dGhpbmcgaXMgc3RvcHBlZCwg aWYgdGhlIGVuYWJsZSBwYXRoIHdpbGwgYXBwbHkgdGhpcyBzYW1lCnJlc2V0IGJlZm9yZSBhbnl0 aGluZyBlbHNlIGlzIHN0YXJ0ZWQgYWdhaW4gPyBEb2VzIGl0IHJlYWxseSBjaGFuZ2VzCmFueXRo aW5nIHRvIHRoZSByZXBvcnRlZCBpc3N1ZSA/Cgo+Cj4gQmVzdCByZWdhcmRzLAo+IE1hcnRpbgo+ Cj4KPiBbMF0gaHR0cHM6Ly9naXRodWIuY29tL2VuZGxlc3NtL2xpbnV4LXM5MDV4L2Jsb2IvYzEz OTFiYTExMTZhZWQ4MDFhYWFiZmQ5YzdiYmI3NmZkYTk4MDFlYy9zb3VuZC9zb2MvYW1sL204L2Ft bF9hdWRpb19ody5jI0wxMDE2Cj4gWzFdIGh0dHBzOi8vZ2l0aHViLmNvbS9lbmRsZXNzbS9saW51 eC1zOTA1eC9ibG9iL2MxMzkxYmExMTE2YWVkODAxYWFhYmZkOWM3YmJiNzZmZGE5ODAxZWMvc291 bmQvc29jL2FtbC9tOC9hbWxfYXVkaW9faHcuYyNMOTc5LUw5ODMKPiBbMl0gaHR0cHM6Ly9naXRo dWIuY29tL2VuZGxlc3NtL2xpbnV4LXM5MDV4L2Jsb2IvYzEzOTFiYTExMTZhZWQ4MDFhYWFiZmQ5 YzdiYmI3NmZkYTk4MDFlYy9zb3VuZC9zb2MvYW1sL204L2FtbF9hdWRpb19ody5jI0wxMDE2LUwx MDE4CgotLSAKSmVyb21lCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fXwpsaW51eC1hbWxvZ2ljIG1haWxpbmcgbGlzdApsaW51eC1hbWxvZ2ljQGxpc3RzLmlu ZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9s aW51eC1hbWxvZ2ljCg==