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Tue, 2 Feb 2021 10:48:38 +0000 From: Sven Schuchmann To: Sven Schuchmann CC: Pavel Machek , Dan Murphy , Rob Herring , "linux-leds@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: AW: [PATCH v1] leds: lp50xx: add setting of default intensity from DT Thread-Topic: [PATCH v1] leds: lp50xx: add setting of default intensity from DT Thread-Index: AQHW7lFOn/1Jlt56EkOy+ZVk/3cx2qpExM+Q Date: Tue, 2 Feb 2021 10:48:38 +0000 Message-ID: References: <20210119105312.2636-1-schuchmann@schleissheimer.de> In-Reply-To: <20210119105312.2636-1-schuchmann@schleissheimer.de> Accept-Language: de-DE, en-US Content-Language: de-DE X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: schleissheimer.de; dkim=none (message not signed) header.d=none;schleissheimer.de; dmarc=none action=none header.from=schleissheimer.de; x-originating-ip: [62.153.209.162] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: d563ef37-030d-490f-4b4b-08d8c7681926 x-ms-traffictypediagnostic: DB6P190MB0151: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:7219; 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: schleissheimer.de X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DB8P190MB0634.EURP190.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-Network-Message-Id: d563ef37-030d-490f-4b4b-08d8c7681926 X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Feb 2021 10:48:38.4465 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: ba05321a-a007-44df-8805-c7e62d5887b5 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 6e0r8IF/UgkvH3u1Nwm1rrqQcRDnJujvvZkINinJMAO4L6u8x7EvETcHPvOFSJ0k8+PAQ8qgfKbpdMyDONVeC2AoxiDO3EwhqlfSOoQiWF0= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB6P190MB0151 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, sorry to ask but was someone able to look at this? Any thoughts? Best Regards, Sven > -----Urspr=FCngliche Nachricht----- > Von: Sven Schuchmann > Gesendet: Dienstag, 19. Januar 2021 11:53 > An: Sven Schuchmann > Cc: Pavel Machek ; Dan Murphy ; Rob Herring= ; linux- > leds@vger.kernel.org; devicetree@vger.kernel.org; linux-kernel@vger.kerne= l.org > Betreff: [PATCH v1] leds: lp50xx: add setting of default intensity from D= T >=20 > In order to use a multicolor-led together with a trigger > from DT the led needs to have an intensity set to see something. > The trigger changes the brightness of the led but if there > is no intensity we actually see nothing. >=20 > This patch adds the ability to set the default intensity > of each led so that it is turned on from DT. >=20 > Signed-off-by: Sven Schuchmann > --- > Documentation/devicetree/bindings/leds/leds-lp50xx.yaml | 8 +++++++- > drivers/leds/leds-lp50xx.c | 4 ++++ > 2 files changed, 11 insertions(+), 1 deletion(-) >=20 > diff --git a/Documentation/devicetree/bindings/leds/leds-lp50xx.yaml b/Do= cumentation/devicetree/bindings/leds/leds-lp50xx.yaml > index c192b5feadc7..5ad2a0c3c052 100644 > --- a/Documentation/devicetree/bindings/leds/leds-lp50xx.yaml > +++ b/Documentation/devicetree/bindings/leds/leds-lp50xx.yaml > @@ -69,7 +69,12 @@ patternProperties: > patternProperties: > "(^led-[0-9a-f]$|led)": > type: object > - $ref: common.yaml# > + allOf: > + - $ref: common.yaml# > + properties: > + default-intensity: > + maxItems: 1 > + description: The intensity the LED gets initialised with. >=20 > required: > - compatible > @@ -102,6 +107,7 @@ examples: >=20 > led-0 { > color =3D ; > + default-intensity =3D <100>; > }; >=20 > led-1 { > diff --git a/drivers/leds/leds-lp50xx.c b/drivers/leds/leds-lp50xx.c > index f13117eed976..ba760fa33bdc 100644 > --- a/drivers/leds/leds-lp50xx.c > +++ b/drivers/leds/leds-lp50xx.c > @@ -501,6 +501,10 @@ static int lp50xx_probe_dt(struct lp50xx *priv) > } >=20 > mc_led_info[num_colors].color_index =3D color_id; > + > + fwnode_property_read_u32(led_node, "default-intensity", > + &mc_led_info[num_colors].intensity); > + > num_colors++; > } >=20 > -- > 2.17.1