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Wed, 16 Jun 2021 16:54:19 +0800 From: Jitao Shi To: Thierry Reding , Lee Jones , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Matthias Brugger CC: , , , , , , , , , , , , Jitao Shi Subject: [PATCH v5 3/3] pwm: mtk_disp: implement atomic API .get_state() Date: Wed, 16 Jun 2021 16:52:24 +0800 Message-ID: <20210616085224.157318-4-jitao.shi@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210616085224.157318-1-jitao.shi@mediatek.com> References: <20210616085224.157318-1-jitao.shi@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-TM-SNTS-SMTP: 0C37CFED5B1E1D54DFBEC98F011F3896F16D2A5E4F950A0C8F029A10444253912000:8 X-MTK: N Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org U3dpdGNoIHRoZSBkcml2ZXIgdG8gc3VwcG9ydCB0aGUgLmdldF9zdGF0ZSgpIG1ldGhvZC4NCg0K U2lnbmVkLW9mZi1ieTogSml0YW8gU2hpIDxqaXRhby5zaGlAbWVkaWF0ZWsuY29tPg0KLS0tDQog ZHJpdmVycy9wd20vcHdtLW10ay1kaXNwLmMgfCAzOSArKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrKysrKysrKw0KIDEgZmlsZSBjaGFuZ2VkLCAzOSBpbnNlcnRpb25zKCspDQoNCmRpZmYg LS1naXQgYS9kcml2ZXJzL3B3bS9wd20tbXRrLWRpc3AuYyBiL2RyaXZlcnMvcHdtL3B3bS1tdGst ZGlzcC5jDQppbmRleCBhNDc2NmU5MzFiNjguLmQ2MGE2YjM3OTY4MyAxMDA2NDQNCi0tLSBhL2Ry aXZlcnMvcHdtL3B3bS1tdGstZGlzcC5jDQorKysgYi9kcml2ZXJzL3B3bS9wd20tbXRrLWRpc3Au Yw0KQEAgLTE1OSw4ICsxNTksNDcgQEAgc3RhdGljIGludCBtdGtfZGlzcF9wd21fYXBwbHkoc3Ry dWN0IHB3bV9jaGlwICpjaGlwLCBzdHJ1Y3QgcHdtX2RldmljZSAqcHdtLA0KIAlyZXR1cm4gMDsN CiB9DQogDQorc3RhdGljIHZvaWQgbXRrX2Rpc3BfcHdtX2dldF9zdGF0ZShzdHJ1Y3QgcHdtX2No aXAgKmNoaXAsDQorCQkJCSAgIHN0cnVjdCBwd21fZGV2aWNlICpwd20sDQorCQkJCSAgIHN0cnVj dCBwd21fc3RhdGUgKnN0YXRlKQ0KK3sNCisJc3RydWN0IG10a19kaXNwX3B3bSAqbWRwID0gdG9f bXRrX2Rpc3BfcHdtKGNoaXApOw0KKwl1MzIgY2xrX2RpdiwgY29uMCwgY29uMTsNCisJdTY0IHJh dGUsIHBlcmlvZCwgaGlnaF93aWR0aDsNCisJaW50IGVycjsNCisNCisJaWYgKCFtZHAtPmVuYWJs ZWQpIHsNCisJCWVyciA9IGNsa19wcmVwYXJlX2VuYWJsZShtZHAtPmNsa19tYWluKTsNCisJCWlm IChlcnIgPCAwKSB7DQorCQkJZGV2X2VycihjaGlwLT5kZXYsICJDYW4ndCBlbmFibGUgbWRwLT5j bGtfbWFpbjogJXBlXG4iLCBFUlJfUFRSKGVycikpOw0KKwkJCXJldHVybjsNCisJCX0NCisJCWVy ciA9IGNsa19wcmVwYXJlX2VuYWJsZShtZHAtPmNsa19tbSk7DQorCQlpZiAoZXJyIDwgMCkgew0K KwkJCWRldl9lcnIoY2hpcC0+ZGV2LCAiQ2FuJ3QgZW5hYmxlIG1kcC0+Y2xrX21tOiAlcGVcbiIs IEVSUl9QVFIoZXJyKSk7DQorCQkJY2xrX2Rpc2FibGVfdW5wcmVwYXJlKG1kcC0+Y2xrX21haW4p Ow0KKwkJCXJldHVybjsNCisJCX0NCisJfQ0KKwlyYXRlID0gY2xrX2dldF9yYXRlKG1kcC0+Y2xr X21haW4pOw0KKwljb24wID0gcmVhZGwobWRwLT5iYXNlICsgbWRwLT5kYXRhLT5jb24wKTsNCisJ Y29uMSA9IHJlYWRsKG1kcC0+YmFzZSArIG1kcC0+ZGF0YS0+Y29uMSk7DQorCXN0YXRlLT5lbmFi bGVkID0gISEoY29uMCAmIEJJVCgwKSk7DQorCWNsa19kaXYgPSBGSUVMRF9HRVQoUFdNX0NMS0RJ Vl9NQVNLLCBjb24wKTsNCisJcGVyaW9kID0gY29uMSAmIFBXTV9QRVJJT0RfTUFTSzsNCisJc3Rh dGUtPnBlcmlvZCA9IERJVjY0X1U2NF9ST1VORF9VUChwZXJpb2QgKiAoY2xrX2RpdiArIDEpICog TlNFQ19QRVJfU0VDLCByYXRlKTsNCisJaGlnaF93aWR0aCA9IEZJRUxEX0dFVChQV01fSElHSF9X SURUSF9NQVNLLCBjb24xKTsNCisJc3RhdGUtPmR1dHlfY3ljbGUgPSBESVY2NF9VNjRfUk9VTkRf VVAoaGlnaF93aWR0aCAqIChjbGtfZGl2ICsgMSkgKiBOU0VDX1BFUl9TRUMsDQorCQkJCQkgICAg ICAgcmF0ZSk7DQorCWlmICghbWRwLT5lbmFibGVkKSB7DQorCQljbGtfZGlzYWJsZV91bnByZXBh cmUobWRwLT5jbGtfbW0pOw0KKwkJY2xrX2Rpc2FibGVfdW5wcmVwYXJlKG1kcC0+Y2xrX21haW4p Ow0KKwl9DQorfQ0KKw0KIHN0YXRpYyBjb25zdCBzdHJ1Y3QgcHdtX29wcyBtdGtfZGlzcF9wd21f b3BzID0gew0KIAkuYXBwbHkgPSBtdGtfZGlzcF9wd21fYXBwbHksDQorCS5nZXRfc3RhdGUgPSBt dGtfZGlzcF9wd21fZ2V0X3N0YXRlLA0KIAkub3duZXIgPSBUSElTX01PRFVMRSwNCiB9Ow0KIA0K LS0gDQoyLjI1LjENCg==