| Message ID | 20190905072142.14606-1-dongchun.zhu@mediatek.com (mailing list archive) |
|---|---|
| Headers | show
Return-Path: <SRS0=7WK4=XA=vger.kernel.org=linux-media-owner@kernel.org>
Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org
[172.30.200.123])
by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B2A2013B1
for <patchwork-linux-media@patchwork.kernel.org>;
Thu, 5 Sep 2019 07:21:57 +0000 (UTC)
Received: from vger.kernel.org (vger.kernel.org [209.132.180.67])
by mail.kernel.org (Postfix) with ESMTP id 9E17523697
for <patchwork-linux-media@patchwork.kernel.org>;
Thu, 5 Sep 2019 07:21:57 +0000 (UTC)
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
id S1731940AbfIEHV4 (ORCPT
<rfc822;patchwork-linux-media@patchwork.kernel.org>);
Thu, 5 Sep 2019 03:21:56 -0400
Received: from mailgw01.mediatek.com ([210.61.82.183]:57695 "EHLO
mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org
with ESMTP id S1730778AbfIEHV4 (ORCPT
<rfc822;linux-media@vger.kernel.org>); Thu, 5 Sep 2019 03:21:56 -0400
X-UUID: 36acc9336a7841b1a881216978b3a93a-20190905
X-UUID: 36acc9336a7841b1a881216978b3a93a-20190905
Received: from mtkcas07.mediatek.inc [(172.21.101.84)] by
mailgw01.mediatek.com
(envelope-from <dongchun.zhu@mediatek.com>)
(Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS)
with ESMTP id 1222208114; Thu, 05 Sep 2019 15:21:50 +0800
Received: from mtkcas08.mediatek.inc (172.21.101.126) by
mtkmbs05n1.mediatek.inc (172.21.101.15) with Microsoft SMTP Server (TLS) id
15.0.1395.4; Thu, 5 Sep 2019 15:21:47 +0800
Received: from localhost.localdomain (10.17.3.153) by mtkcas08.mediatek.inc
(172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend
Transport; Thu, 5 Sep 2019 15:21:46 +0800
From: <dongchun.zhu@mediatek.com>
To: <mchehab@kernel.org>, <andriy.shevchenko@linux.intel.com>,
<robh+dt@kernel.org>, <mark.rutland@arm.com>,
<sakari.ailus@linux.intel.com>, <drinkcat@chromium.org>,
<tfiga@chromium.org>, <matthias.bgg@gmail.com>,
<bingbu.cao@intel.com>
CC: <srv_heupstream@mediatek.com>,
<linux-mediatek@lists.infradead.org>,
<linux-arm-kernel@lists.infradead.org>, <sj.huang@mediatek.com>,
<linux-media@vger.kernel.org>, <devicetree@vger.kernel.org>,
<sam.hung@mediatek.com>, <shengnan.wang@mediatek.com>,
<dongchun.zhu@mediatek.com>
Subject: [V2, 0/2] media: i2c: add support for DW9768 VCM driver
Date: Thu, 5 Sep 2019 15:21:40 +0800
Message-ID: <20190905072142.14606-1-dongchun.zhu@mediatek.com>
X-Mailer: git-send-email 2.9.2
MIME-Version: 1.0
Content-Type: text/plain
X-MTK: N
Sender: linux-media-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-media.vger.kernel.org>
X-Mailing-List: linux-media@vger.kernel.org
|
| Series |
media: i2c: add support for DW9768 VCM driver
|
expand
|
From: Dongchun Zhu <dongchun.zhu@mediatek.com> Hello, Add a v4l2 sub-device driver for Dongwoon's DW9768 lens voice coil. This is a voice coil module using the i2c bus to control the focus position. The DW9768 can control the position with 10 bits value and consists of two 8 bit registers show as below. register 0x04(DW9768_REG_POSITION): +---+---+---+---+---+---+---+---+ |D07|D06|D05|D04|D03|D02|D01|D00| +---+---+---+---+---+---+---+---+ register 0x03: +---+---+---+---+---+---+---+---+ |---|---|---|---|---|---|D09|D08| +---+---+---+---+---+---+---+---+ This driver supports: - set DW9768 to standby mode once suspend and turn it back to active if resume - set the position via V4L2_CID_FOCUS_ABSOLUTE ctrl Mainly changes of v2 are addressing the comments from Tomasz, Bingbu, Andy, including, - Use i2c_smbus_write_byte_data/i2c_smbus_write_block_data to write I2C register - Adopt the runtime PM suspend/resume callbacks to powering off/on - Check the PM runtime status before powering off in dw9768_remove function - Add one more regulator vin for the I2C interface - Remove or refine redundant log print - Fix other reviewed issues in v1 Dongchun Zhu (2): media: i2c: dw9768: Add DT support and MAINTAINERS entry media: i2c: Add DW9768 VCM driver .../bindings/media/i2c/dongwoon,dw9768.txt | 9 + MAINTAINERS | 8 + drivers/media/i2c/Kconfig | 10 + drivers/media/i2c/Makefile | 1 + drivers/media/i2c/dw9768.c | 349 +++++++++++++++++++++ 5 files changed, 377 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/dongwoon,dw9768.txt create mode 100644 drivers/media/i2c/dw9768.c