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=-14.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 84314C2D0E4 for ; Tue, 17 Nov 2020 09:53:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1ABE02168B for ; Tue, 17 Nov 2020 09:53:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="M68stvTa" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726085AbgKQJwp (ORCPT ); Tue, 17 Nov 2020 04:52:45 -0500 Received: from mail.kernel.org ([198.145.29.99]:35882 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726297AbgKQJwp (ORCPT ); Tue, 17 Nov 2020 04:52:45 -0500 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 15F332465B; Tue, 17 Nov 2020 09:52:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605606764; bh=38pr+kXfmHiA9FaIYCblbhXcCLTj4t8xfGeT+4LacOk=; h=Subject:To:From:Date:From; b=M68stvTaSRztklOcUx2jsBmEicBfeBP+1EhAMpcYM6bWYFQR3toHw5GsMFYjGwLGT MN9TtsiY9+EqNahRj/cDtkc9ULjBW2/aFoaKkVdDYMcWuGP/T0XcDMjr9/gV0gdxcH T9TUs9+rowQuJHQuTj9B3j3UHUTooF70oONneUXs= Subject: patch "iio/adc: ingenic: Fix battery VREF for JZ4770 SoC" added to staging-linus To: paul@crapouillou.net, Jonathan.Cameron@huawei.com, contact@artur-rojek.eu, stable@vger.kernel.org From: Date: Tue, 17 Nov 2020 10:53:24 +0100 Message-ID: <160560680424846@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org This is a note to let you know that I've just added the patch titled iio/adc: ingenic: Fix battery VREF for JZ4770 SoC to my staging git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git in the staging-linus branch. The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.) The patch will hopefully also be merged in Linus's tree for the next -rc kernel release. If you have any questions about this process, please let me know. >From c91ebcc578e09783cfa4d85c1b437790f140f29a Mon Sep 17 00:00:00 2001 From: Paul Cercueil Date: Wed, 4 Nov 2020 19:28:43 +0000 Subject: iio/adc: ingenic: Fix battery VREF for JZ4770 SoC The reference voltage for the battery is clearly marked as 1.2V in the programming manual. With this fixed, the battery channel now returns correct values. Fixes: a515d6488505 ("IIO: Ingenic JZ47xx: Add support for JZ4770 SoC ADC.") Signed-off-by: Paul Cercueil Acked-by: Artur Rojek Cc: Link: https://lore.kernel.org/r/20201104192843.67187-1-paul@crapouillou.net Signed-off-by: Jonathan Cameron --- drivers/iio/adc/ingenic-adc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/adc/ingenic-adc.c b/drivers/iio/adc/ingenic-adc.c index 92b25083e23f..973e84deebea 100644 --- a/drivers/iio/adc/ingenic-adc.c +++ b/drivers/iio/adc/ingenic-adc.c @@ -71,7 +71,7 @@ #define JZ4725B_ADC_BATTERY_HIGH_VREF_BITS 10 #define JZ4740_ADC_BATTERY_HIGH_VREF (7500 * 0.986) #define JZ4740_ADC_BATTERY_HIGH_VREF_BITS 12 -#define JZ4770_ADC_BATTERY_VREF 6600 +#define JZ4770_ADC_BATTERY_VREF 1200 #define JZ4770_ADC_BATTERY_VREF_BITS 12 #define JZ_ADC_IRQ_AUX BIT(0) -- 2.29.2