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Sun, 8 Aug 2021 21:24:40 +0800 From: Jitao Shi To: Thierry Reding , Lee Jones , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Matthias Brugger CC: , , , , , , , , , , , Jitao Shi Subject: [PATCH v7 5/5] pwm: mtk_disp: implement atomic API .get_state() Date: Sun, 8 Aug 2021 21:24:33 +0800 Message-ID: <20210808132433.66037-6-jitao.shi@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210808132433.66037-1-jitao.shi@mediatek.com> References: <20210808132433.66037-1-jitao.shi@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-TM-SNTS-SMTP: FAC85FB68C1AA92262AB841DB543D59470EA50907F9EF349D7F8EBB8DEE80BFF2000:8 X-MTK: N Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org U3dpdGNoIHRoZSBkcml2ZXIgdG8gc3VwcG9ydCB0aGUgLmdldF9zdGF0ZSgpIG1ldGhvZC4NCg0K U2lnbmVkLW9mZi1ieTogSml0YW8gU2hpIDxqaXRhby5zaGlAbWVkaWF0ZWsuY29tPg0KLS0tDQog ZHJpdmVycy9wd20vcHdtLW10ay1kaXNwLmMgfCA0MSArKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrKysrKysrKw0KIDEgZmlsZSBjaGFuZ2VkLCA0MSBpbnNlcnRpb25zKCspDQoNCmRpZmYg LS1naXQgYS9kcml2ZXJzL3B3bS9wd20tbXRrLWRpc3AuYyBiL2RyaXZlcnMvcHdtL3B3bS1tdGst ZGlzcC5jDQppbmRleCA0ZjZkZTZmMjQ0ODQuLmExY2Q3YzIwODc0MyAxMDA2NDQNCi0tLSBhL2Ry aXZlcnMvcHdtL3B3bS1tdGstZGlzcC5jDQorKysgYi9kcml2ZXJzL3B3bS9wd20tbXRrLWRpc3Au Yw0KQEAgLTE2Nyw4ICsxNjcsNDkgQEAgc3RhdGljIGludCBtdGtfZGlzcF9wd21fYXBwbHkoc3Ry dWN0IHB3bV9jaGlwICpjaGlwLCBzdHJ1Y3QgcHdtX2RldmljZSAqcHdtLA0KIAlyZXR1cm4gMDsN CiB9DQogDQorc3RhdGljIHZvaWQgbXRrX2Rpc3BfcHdtX2dldF9zdGF0ZShzdHJ1Y3QgcHdtX2No aXAgKmNoaXAsDQorCQkJCSAgIHN0cnVjdCBwd21fZGV2aWNlICpwd20sDQorCQkJCSAgIHN0cnVj dCBwd21fc3RhdGUgKnN0YXRlKQ0KK3sNCisJc3RydWN0IG10a19kaXNwX3B3bSAqbWRwID0gdG9f bXRrX2Rpc3BfcHdtKGNoaXApOw0KKwl1MzIgY2xrX2RpdiwgY29uMCwgY29uMTsNCisJdTY0IHJh dGUsIHBlcmlvZCwgaGlnaF93aWR0aDsNCisJaW50IGVycjsNCisNCisJZXJyID0gY2xrX3ByZXBh cmVfZW5hYmxlKG1kcC0+Y2xrX21haW4pOw0KKwlpZiAoZXJyIDwgMCkgew0KKwkJZGV2X2Vycihj aGlwLT5kZXYsICJDYW4ndCBlbmFibGUgbWRwLT5jbGtfbWFpbjogJXBlXG4iLCBFUlJfUFRSKGVy cikpOw0KKwkJcmV0dXJuOw0KKwl9DQorCWVyciA9IGNsa19wcmVwYXJlX2VuYWJsZShtZHAtPmNs a19tbSk7DQorCWlmIChlcnIgPCAwKSB7DQorCQlkZXZfZXJyKGNoaXAtPmRldiwgIkNhbid0IGVu YWJsZSBtZHAtPmNsa19tbTogJXBlXG4iLCBFUlJfUFRSKGVycikpOw0KKwkJY2xrX2Rpc2FibGVf dW5wcmVwYXJlKG1kcC0+Y2xrX21haW4pOw0KKwkJcmV0dXJuOw0KKwl9DQorDQorCXJhdGUgPSBj bGtfZ2V0X3JhdGUobWRwLT5jbGtfbWFpbik7DQorCWNvbjAgPSByZWFkbChtZHAtPmJhc2UgKyBt ZHAtPmRhdGEtPmNvbjApOw0KKwljb24xID0gcmVhZGwobWRwLT5iYXNlICsgbWRwLT5kYXRhLT5j b24xKTsNCisJc3RhdGUtPmVuYWJsZWQgPSAhIShjb24wICYgQklUKDApKTsNCisJY2xrX2RpdiA9 IEZJRUxEX0dFVChQV01fQ0xLRElWX01BU0ssIGNvbjApOw0KKwlwZXJpb2QgPSBGSUVMRF9HRVQo UFdNX1BFUklPRF9NQVNLLCBjb24xKTsNCisJLyoNCisJICogcGVyaW9kIGhhcyAxMiBiaXRzLCBj bGtfZGl2IDExIGFuZCBOU0VDX1BFUl9TRUMgaGFzIDMwLA0KKwkgKiBzbyBwZXJpb2QgKiAoY2xr X2RpdiArIDEpICogTlNFQ19QRVJfU0VDIGRvZXNuJ3Qgb3ZlcmZsb3cuDQorCSAqLw0KKwlzdGF0 ZS0+cGVyaW9kID0gRElWNjRfVTY0X1JPVU5EX1VQKHBlcmlvZCAqIChjbGtfZGl2ICsgMSkgKiBO U0VDX1BFUl9TRUMsIHJhdGUpOw0KKwloaWdoX3dpZHRoID0gRklFTERfR0VUKFBXTV9ISUdIX1dJ RFRIX01BU0ssIGNvbjEpOw0KKwlzdGF0ZS0+ZHV0eV9jeWNsZSA9IERJVjY0X1U2NF9ST1VORF9V UChoaWdoX3dpZHRoICogKGNsa19kaXYgKyAxKSAqIE5TRUNfUEVSX1NFQywNCisJCQkJCSAgICAg ICByYXRlKTsNCisJc3RhdGUtPnBvbGFyaXR5ID0gUFdNX1BPTEFSSVRZX05PUk1BTDsNCisJY2xr X2Rpc2FibGVfdW5wcmVwYXJlKG1kcC0+Y2xrX21tKTsNCisJY2xrX2Rpc2FibGVfdW5wcmVwYXJl KG1kcC0+Y2xrX21haW4pOw0KK30NCisNCiBzdGF0aWMgY29uc3Qgc3RydWN0IHB3bV9vcHMgbXRr X2Rpc3BfcHdtX29wcyA9IHsNCiAJLmFwcGx5ID0gbXRrX2Rpc3BfcHdtX2FwcGx5LA0KKwkuZ2V0 X3N0YXRlID0gbXRrX2Rpc3BfcHdtX2dldF9zdGF0ZSwNCiAJLm93bmVyID0gVEhJU19NT0RVTEUs DQogfTsNCiANCi0tIA0KMi4yNS4xDQo=