From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DB7FAC6369E for ; Mon, 16 Nov 2020 18:25:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 88FA022370 for ; Mon, 16 Nov 2020 18:25:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Nm4uUOPd" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731655AbgKPSZh (ORCPT ); Mon, 16 Nov 2020 13:25:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53450 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729555AbgKPSZh (ORCPT ); Mon, 16 Nov 2020 13:25:37 -0500 Received: from mail-ej1-x641.google.com (mail-ej1-x641.google.com [IPv6:2a00:1450:4864:20::641]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 14303C0613CF; Mon, 16 Nov 2020 10:25:37 -0800 (PST) Received: by mail-ej1-x641.google.com with SMTP id oq3so25785162ejb.7; Mon, 16 Nov 2020 10:25:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=iMNNFITQTVl6xH9FIhmZAJHI+XOQfJPxPlTQJWECZ4E=; b=Nm4uUOPdDKQPmpez1awCv77luKnrY1dTONrakQhSAqvfUuUI+Uiymcop9TBfqu/dsS sqb+7quMnWJ9wgObFrqMMhufxRs7YQb/B/7jaclPcQ8OzpeLfVMiG9UaJx3KdgHHucWE Wz1NPAiHzWkBUNs3fIcH4Bo0coThYIaeuJbGH5KgwGWGQcemM99JwPTkj3jiB8YWRSIe WjvFqy6E6SrxOrkYg3y75Zg4GUUVCpRZkCuBLWy3ChkhHIb4lgO9dTn8jQjqEl3Qw7r5 TYst/PDWQHbStpxIlLmauJtpilbLTQLb2qDRTFLyNNpp3NNE+u4dPElY5b3dFSnxA87a bwUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=iMNNFITQTVl6xH9FIhmZAJHI+XOQfJPxPlTQJWECZ4E=; b=hJyAegnoJ4V4RPYoflqPzDO9uhGhsvfFDxnfhPqbeerpDmnL/mlpAd5/1PVfYrsa+X F9wbniVvbK7ber4d3g+nHqZGtH9RYPiaV0cyPQeTPN3rBMHTN5WaNnB2ZsyRLbslFf/o 9oDlGv5lN+/7ku0AQdUGmUj+nMRMFybWmZH84iDJFUcGM6CNtDzFfQFFf9QUSD1gMvS9 QZZUOL4WrmmQEkyuO/Fk9Gtt0qg1sVBUID5C8tD/YZjGg4PTKUk0bsjJpulKIRCKdGCW LuL4M00y1YP96+lVsody9CzWhBNtRLJJxciTzmfnxfilKwKLgRwbakbTilJY2/wAwNK2 6sJA== X-Gm-Message-State: AOAM530qIM9PfER6zGyaf0OdB7Fq7rGnoudlzoAZyvuTqAS+bxOk+++4 ZXv7OTwvdsmQe5xyNLjdU/Q= X-Google-Smtp-Source: ABdhPJyCa6sw3pwdJXhlWemEGMWgcpkeE5rSnyk3jlh1qlo9F5tW6ISm+hGVEDCgVQYrKP3pMnOxQw== X-Received: by 2002:a17:906:cb2:: with SMTP id k18mr17223486ejh.71.1605551135755; Mon, 16 Nov 2020 10:25:35 -0800 (PST) Received: from ?IPv6:2a01:110f:b59:fd00:9993:6bc3:e972:e19d? ([2a01:110f:b59:fd00:9993:6bc3:e972:e19d]) by smtp.gmail.com with ESMTPSA id m16sm10738454eja.58.2020.11.16.10.25.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 16 Nov 2020 10:25:35 -0800 (PST) Subject: Re: [PATCH v5 2/2] leds: mt6360: Add LED driver for MT6360 To: Gene Chen Cc: Pavel Machek , Rob Herring , Matthias Brugger , Dan Murphy , Linux LED Subsystem , devicetree , linux-arm Mailing List , "moderated list:ARM/Mediatek SoC support" , Linux Kernel Mailing List , Gene Chen , Wilma.Wu@mediatek.com, shufan_lee@richtek.com, cy_huang@richtek.com, benjamin.chao@mediatek.com References: <1602034966-3524-1-git-send-email-gene.chen.richtek@gmail.com> <1602034966-3524-3-git-send-email-gene.chen.richtek@gmail.com> <5a9b31c4-739c-06fc-2015-ed474993ad22@gmail.com> <8925db23-5cc4-3c5f-932a-461fe6450dad@gmail.com> <1bb76c54-14af-6c78-4623-77c6678b262e@gmail.com> From: Jacek Anaszewski Message-ID: Date: Mon, 16 Nov 2020 19:25:32 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.4.2 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org On 11/16/20 11:01 AM, Gene Chen wrote: > Jacek Anaszewski 於 2020年10月31日 週六 上午6:34寫道： >> >> On 10/30/20 9:51 AM, Gene Chen wrote: >>> Jacek Anaszewski 於 2020年10月28日 週三 上午1:28寫道： >>>> >>>> On 10/27/20 10:28 AM, Gene Chen wrote: >>>>> Jacek Anaszewski 於 2020年10月21日 週三 上午5:47寫道： >>>>>> >>>>>> On 10/20/20 8:44 AM, Gene Chen wrote: >>>>>>> Jacek Anaszewski 於 2020年10月9日 週五 上午5:51寫道： >>>>>>>> >>>>>>>> Hi Gene, >>>>>>>> >>>>>>>> On 10/7/20 3:42 AM, Gene Chen wrote: >>>>>>>>> From: Gene Chen >>>>>>>>> >>>>>>>>> Add MT6360 LED driver include 2-channel Flash LED with torch/strobe mode, >>>>>>>>> 3-channel RGB LED support Register/Flash/Breath Mode, and 1-channel for >>>>>>>>> moonlight LED. >>>>>>>>> >>>>>>>>> Signed-off-by: Gene Chen >>>>>>>>> --- >>>>>>>>> drivers/leds/Kconfig | 12 + >>>>>>>>> drivers/leds/Makefile | 1 + >>>>>>>>> drivers/leds/leds-mt6360.c | 783 +++++++++++++++++++++++++++++++++++++++++++++ >>>>>>>>> 3 files changed, 796 insertions(+) >>>>>>>>> create mode 100644 drivers/leds/leds-mt6360.c >>>>>>>>> >>>>>>>>> diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig >>>>>>>>> index 1c181df..c7192dd 100644 >>>>>>>>> --- a/drivers/leds/Kconfig >>>>>>>>> +++ b/drivers/leds/Kconfig >>>>>>>>> @@ -271,6 +271,18 @@ config LEDS_MT6323 >>>>>>>>> This option enables support for on-chip LED drivers found on >>>>>>>>> Mediatek MT6323 PMIC. >>>>>>>>> >>>>>>>>> +config LEDS_MT6360 >>>>>>>>> + tristate "LED Support for Mediatek MT6360 PMIC" >>>>>>>>> + depends on LEDS_CLASS_FLASH && OF >>>>>>>>> + depends on LEDS_CLASS_MULTICOLOR >>>>>>>> >>>>>>>> Since CONFIG_LED_CLASS_MULTICOLOR can be turned off you need to have >>>>>>>> below instead: >>>>>>>> >>>>>>>> depends on LEDS_CLASS_MULTICOLOR || !!LEDS_CLASS_MULTICOLOR >>>> >>>> My typo here, should be one "!": >>>> >>>> depends on LEDS_CLASS_MULTICOLOR || !LEDS_CLASS_MULTICOLOR >>>> >>>> And you should also have >>>> >>>> depends on LEDS_CLASS_FLASH || !LEDS_CLASS_FLASH >>>> >>>> But to make it work correctly you would have to add registration >>>> stubs to include/linux/led-class-flash.h similarly to LED mc stubs >>>> in include/linux/led-class-multicolor.h. >>>> >>>>>>>> >>>>>>>> Unless you want to prevent enabling the driver without RGB LED, >>>>>>>> but that does not seem to be reasonable at first glance. >>>>>>>> >>>>>>> >>>>>>> May I change to "select LEDS_CLASS_MULTICOLOR"? >>>>>>> I suppose RGB always use multicolor mode. >>>>>> >>>>>> You will also have moonlight LED that will not need multicolor >>>>>> framework. Is it somehow troublesome to keep "depends on"? >>>>>> >>>>> >>>>> If only use ML LED and FLED, DTSI will only define ML LED and FLED. >>>>> Therefore, the drivers probe will not register rgb multicolor device. >>>> >>>> Please test your use case again with my fixed "depends on". >>>> >>>> In case when there is only ML LED and FLED in the DT it should >>>> register both devices if LEDS_CLASS_FLASH is turned on. >>>> Multicolor framework has nothing to do in this case. >>>> >>>> But if you additionally had MC LED node, then it should >>>> be registered only if LEDS_CLASS_MULTICOLOR is enabled. >>>> >>>> Similarly, when FLED node is present, but LEDS_CLASS_FLASH >>>> is off, and LEDS_CLASS_MULTICOLOR is on, the driver should still >>>> compile, but register only LED MC device (if its node is present). >>>> >>> >>> I think this case only register LED device, not LED "MC" device. >>> Because our FLASH is not a multicolor device. >> >> No, here I was describing following setup: >> >> - DT FLED node is present, CONFIG_LEDS_CLASS_FLASH is off >> - DT MC node is present, CONFIG_LEDS_CLASS_MULTICOLOR is on >> >> ML LED presence in DT is irrelevant in this case. >> It should be always registered if there is corresponding DT node >> and LEDS_CLASS is on. >> > > As a long time discussion, we conclude some rules about MT6360 LED driver. > FLED is necessary, so Kconfig depends on LED_CLASS_FLASH Maybe it is necessary in your use case, but probably it is possible to use the device without FLED. If so, then you should allow users disabling it. Therefore you should have: depends on LEDS_CLASS_FLASH || !LEDS_CLASS_FLASH > ML LED is optional, which is registered as led class device. > RGB LED can be either simple led class device or multicolor device, > which is decided in DT node > If Multicolor LED DT node is exist, it should be register multicolor > device success. But only if CONFIG_LEDS_CLASS_MULTICOLOR is enabled. > Maybe it is more specific to send a new patch? > > Sample DT as below > LED "red" is simple led class device, LED "green&blue" is multicolor devices. > led@0 { > reg = <0>; > function = LED_FUNCTION_INDICATOR; > color = ; > led-max-microamp = <24000>; > }; > led@6 { > reg = <6>; > function = LED_FUNCTION_INDICATOR; > color = ; > > led@1 { > reg = <1>; > function = LED_FUNCTION_INDICATOR; > color = ; > led-max-microamp = <24000>; > }; > led@2 { > reg = <2>; > function = LED_FUNCTION_INDICATOR; > color = ; > led-max-microamp = <24000>; > }; > }; It looks OK. >>>> Possible should be also the case when both LEDS_CLASS_FLASH >>>> and LEDS_CLASS_MULTICOLOR are off. Then only LED class device >>>> for ML LED will be registered (provided there is ML DT node). >>>> But to make it possible you should have also "depends on LEDS_CLASS" >>>> in the Kconfig entry. >>>> >>> >>> According to your suggestion, >>> depends on LED_CLASS && LEDS_CLASS_FLASH && OF >> >> s/LED_CLASS/LEDS_CLASS/ >> >> And you have to remove LEDS_CLASS_FLASH from above line. >> >>> depends on LEDS_CLASS_MULTICOLOR || !!LEDS_CLASS_MULTICOLOR >> >> s/!!LEDS_CLASS_MULTICOLOR/!LEDS_CLASS_MULTICOLOR/ >> >>> depends on LEDS_CLASS_FLASH || !LEDS_CLASS_FLASH >>> depends on MFD_MT6360 >> >> You will need V4L2_FLASH_LED_CLASS dependency as well, to avoid >> build break, when it is set to 'm'. >> >> To recap, following block of dependencies is required: >> >> depends on LEDS_CLASS && OF >> depends on LEDS_CLASS_MULTICOLOR || !LEDS_CLASS_MULTICOLOR >> depends on LEDS_CLASS_FLASH || !LEDS_CLASS_FLASH >> depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS >> depends on MFD_MT6360 >> > > LEDS_MT6360 depends on LEDS_CLASS_FLASH, and LEDS_CLASS_FLASH depends > on LEDS_CLASS > Is "depends on LEDS_CLASS" still needed? Yes, because you should allow disabling CONFIG_LEDS_CLASS_FLASH. In such a case driver should still compile and register ML LED class device when it has corresponding DT node. >>> and source code add constraint >>> >>> #if IS_ENABLED(CONFIG_LEDS_CLASS_MULTICOLOR) >>> ret = devm_led_classdev_multicolor_register_ext(parent, &led->rgb, >>> init_data); >>> #endif >>> >>> #if IS_ENABLED(CONFIG_LEDS_CLASS_FLASH) >>> ret = devm_led_classdev_flash_register_ext(parent, &led->flash, init_data); >>> #endif >> >> No, the guards should be in headers. That's why I recommended adding >> no ops for LED flash class registration functions in previous email. >> >> Please compare include/linux/led-class-multicolor.h and do similar >> changes in include/linux/led-class-flash.h. >> > > ACK, I will submit a fixed patch about leds-class-flash.h. > > By the way, if CONFIG_LED_CLASS_MULTICOLOR is not enabled and we don't > use #if IS_ENABLED, > according to led-class-multicolor.h return -EINVAL, > we will register multicolor device fail and cause probe fail. Good point. So led-class-multicolor.h no-ops need to be fixed to return 0 instead of -EINVAL. And no-ops in include/linux/led-class-flash.h should also return 0. -- Best regards, Jacek Anaszewski From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.0 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, NICE_REPLY_A,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AE7D9C2D0A3 for ; Mon, 16 Nov 2020 18:25:45 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4D9E32231B for ; Mon, 16 Nov 2020 18:25:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Vkdg5aHH"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Nm4uUOPd" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4D9E32231B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=CtQU7YZ9/STFbV69TLPid7ENVHyA0q2C4OdgQLe7UbE=; b=Vkdg5aHH+SxOQfqtSI3+kcgkk 5hVSsMTWmXZcwyotntNSyxX2GBcgwuG5GC5blG/3b4WEbAE7H0kbAgjcTSCtIqzfg9egetRccFp45 BxLhadnTlp2dHf3ONKDiPtdn+NzoZ1M1aA40Y9Ge7pNm+pHWQq+9M2mN/Uub0VQB0s3dIXKcfcSyS sPYA+hxFNhOCLudYOtD1FSavrr4MERw3cfLM9Gi7knM6XBhBtE49LwuxXHdb2x4faBvjSLQoOuJLu KRzLqmKmQzFwgzQ3WYhyUMMT66VAKr3haomn+lSe5uNlnG8+JODWVXLpNAdKdNUJXXX9towSy7hjc EH0fdLwRA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kejC8-000070-Ox; Mon, 16 Nov 2020 18:25:40 +0000 Received: from mail-ej1-x644.google.com ([2a00:1450:4864:20::644]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kejC6-000061-TZ; Mon, 16 Nov 2020 18:25:39 +0000 Received: by mail-ej1-x644.google.com with SMTP id o9so25808455ejg.1; Mon, 16 Nov 2020 10:25:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=iMNNFITQTVl6xH9FIhmZAJHI+XOQfJPxPlTQJWECZ4E=; b=Nm4uUOPdDKQPmpez1awCv77luKnrY1dTONrakQhSAqvfUuUI+Uiymcop9TBfqu/dsS sqb+7quMnWJ9wgObFrqMMhufxRs7YQb/B/7jaclPcQ8OzpeLfVMiG9UaJx3KdgHHucWE Wz1NPAiHzWkBUNs3fIcH4Bo0coThYIaeuJbGH5KgwGWGQcemM99JwPTkj3jiB8YWRSIe WjvFqy6E6SrxOrkYg3y75Zg4GUUVCpRZkCuBLWy3ChkhHIb4lgO9dTn8jQjqEl3Qw7r5 TYst/PDWQHbStpxIlLmauJtpilbLTQLb2qDRTFLyNNpp3NNE+u4dPElY5b3dFSnxA87a bwUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=iMNNFITQTVl6xH9FIhmZAJHI+XOQfJPxPlTQJWECZ4E=; b=j+TPtlY0UxfEKzV1DSgDjXE2I+kM83sTEsD3nC8T7B7aQ5Sy1I77jBSWEnVOdwhRoe pUTdYBAFq74qhzqU8PoMEDCORlS57IvIOGUjul9gHeW6OZ1TJPA0Q6elv7WwiMehWB14 9bUsbn+/YaJjpq9bHFc1vz8Ags1KWtkkhkHqXHhQmQ7nEgIh7WeE83FawOnTuK+kvnLq b/JR1RQYRv9n8MKCtwjQgVYo8kT8kuwl3IZKUOqcfD0Mh3iL/ET762TUQYe0wxHpbCuo 6qhqsGxcFBlZ4vtkE9GV2T+Zyd+NI4PEUGek+doGZElxhlpcrOizhgshUU+oTu4TrEND wYiw== X-Gm-Message-State: AOAM53345a+bUVloKw11TDD2J9Fk85nI4fl4qTgXdRfPSDoRrdStFaRN HNbPK0L0CD4I6s6OxDsOuiE= X-Google-Smtp-Source: ABdhPJyCa6sw3pwdJXhlWemEGMWgcpkeE5rSnyk3jlh1qlo9F5tW6ISm+hGVEDCgVQYrKP3pMnOxQw== X-Received: by 2002:a17:906:cb2:: with SMTP id k18mr17223486ejh.71.1605551135755; Mon, 16 Nov 2020 10:25:35 -0800 (PST) Received: from ?IPv6:2a01:110f:b59:fd00:9993:6bc3:e972:e19d? ([2a01:110f:b59:fd00:9993:6bc3:e972:e19d]) by smtp.gmail.com with ESMTPSA id m16sm10738454eja.58.2020.11.16.10.25.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 16 Nov 2020 10:25:35 -0800 (PST) Subject: Re: [PATCH v5 2/2] leds: mt6360: Add LED driver for MT6360 To: Gene Chen References: <1602034966-3524-1-git-send-email-gene.chen.richtek@gmail.com> <1602034966-3524-3-git-send-email-gene.chen.richtek@gmail.com> <5a9b31c4-739c-06fc-2015-ed474993ad22@gmail.com> <8925db23-5cc4-3c5f-932a-461fe6450dad@gmail.com> <1bb76c54-14af-6c78-4623-77c6678b262e@gmail.com> From: Jacek Anaszewski Message-ID: Date: Mon, 16 Nov 2020 19:25:32 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.4.2 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201116_132538_983216_45424673 X-CRM114-Status: GOOD ( 35.60 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm Mailing List , devicetree , cy_huang@richtek.com, Linux Kernel Mailing List , Gene Chen , benjamin.chao@mediatek.com, Rob Herring , "moderated list:ARM/Mediatek SoC support" , Dan Murphy , Pavel Machek , Matthias Brugger , Wilma.Wu@mediatek.com, Linux LED Subsystem , shufan_lee@richtek.com Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org T24gMTEvMTYvMjAgMTE6MDEgQU0sIEdlbmUgQ2hlbiB3cm90ZToKPiBKYWNlayBBbmFzemV3c2tp IDxqYWNlay5hbmFzemV3c2tpQGdtYWlsLmNvbT4g5pa8IDIwMjDlubQxMOaciDMx5pelIOmAseWF rSDkuIrljYg2OjM05a+r6YGT77yaCj4+Cj4+IE9uIDEwLzMwLzIwIDk6NTEgQU0sIEdlbmUgQ2hl biB3cm90ZToKPj4+IEphY2VrIEFuYXN6ZXdza2kgPGphY2VrLmFuYXN6ZXdza2lAZ21haWwuY29t 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([2a01:110f:b59:fd00:9993:6bc3:e972:e19d]) by smtp.gmail.com with ESMTPSA id m16sm10738454eja.58.2020.11.16.10.25.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 16 Nov 2020 10:25:35 -0800 (PST) Subject: Re: [PATCH v5 2/2] leds: mt6360: Add LED driver for MT6360 To: Gene Chen References: <1602034966-3524-1-git-send-email-gene.chen.richtek@gmail.com> <1602034966-3524-3-git-send-email-gene.chen.richtek@gmail.com> <5a9b31c4-739c-06fc-2015-ed474993ad22@gmail.com> <8925db23-5cc4-3c5f-932a-461fe6450dad@gmail.com> <1bb76c54-14af-6c78-4623-77c6678b262e@gmail.com> From: Jacek Anaszewski Message-ID: Date: Mon, 16 Nov 2020 19:25:32 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.4.2 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201116_132538_983216_45424673 X-CRM114-Status: GOOD ( 35.60 ) X-BeenThere: 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