From: Jacek Anaszewski <jacek.anaszewski@gmail.com>
To: Gene Chen <gene.chen.richtek@gmail.com>,
pavel@ucw.cz, robh+dt@kernel.org, matthias.bgg@gmail.com
Cc: dmurphy@ti.com, linux-leds@vger.kernel.org,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
gene_chen@richtek.com, Wilma.Wu@mediatek.com,
shufan_lee@richtek.com, cy_huang@richtek.com,
benjamin.chao@mediatek.com
Subject: Re: [PATCH v7 5/5] leds: mt6360: Add LED driver for MT6360
Date: Thu, 19 Nov 2020 23:55:59 +0100 [thread overview]
Message-ID: <f36fbe3a-1857-081a-a9c8-9ddf9769298c@gmail.com> (raw)
In-Reply-To: <1605696462-391-6-git-send-email-gene.chen.richtek@gmail.com>
Hi Gene,
On 11/18/20 11:47 AM, Gene Chen wrote:
> From: Gene Chen <gene_chen@richtek.com>
>
> 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 <gene_chen@richtek.com>
> ---
> drivers/leds/Kconfig | 13 +
> drivers/leds/Makefile | 1 +
> drivers/leds/leds-mt6360.c | 808 +++++++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 822 insertions(+)
> create mode 100644 drivers/leds/leds-mt6360.c
>
> diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
> index 1c181df..4f533bc 100644
> --- a/drivers/leds/Kconfig
> +++ b/drivers/leds/Kconfig
> @@ -271,6 +271,19 @@ 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 && OF
> + depends on LEDS_CLASS_FLASH || !LEDS_CLASS_FLASH
> + depends on LEDS_CLASS_MULTICOLOR || !LEDS_CLASS_MULTICOLOR
> + depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
> + depends on MFD_MT6360
> + help
> + This option enables support for dual Flash LED drivers found on
> + Mediatek MT6360 PMIC.
> + Independent current sources supply for each flash LED support torch
> + and strobe mode.
> +
> config LEDS_S3C24XX
> tristate "LED Support for Samsung S3C24XX GPIO LEDs"
> depends on LEDS_CLASS
> diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
> index c2c7d7a..5596427 100644
> --- a/drivers/leds/Makefile
> +++ b/drivers/leds/Makefile
> @@ -66,6 +66,7 @@ obj-$(CONFIG_LEDS_MIKROTIK_RB532) += leds-rb532.o
> obj-$(CONFIG_LEDS_MLXCPLD) += leds-mlxcpld.o
> obj-$(CONFIG_LEDS_MLXREG) += leds-mlxreg.o
> obj-$(CONFIG_LEDS_MT6323) += leds-mt6323.o
> +obj-$(CONFIG_LEDS_MT6360) += leds-mt6360.o
> obj-$(CONFIG_LEDS_NET48XX) += leds-net48xx.o
> obj-$(CONFIG_LEDS_NETXBIG) += leds-netxbig.o
> obj-$(CONFIG_LEDS_NIC78BX) += leds-nic78bx.o
> diff --git a/drivers/leds/leds-mt6360.c b/drivers/leds/leds-mt6360.c
> new file mode 100644
> index 0000000..8432901
> --- /dev/null
> +++ b/drivers/leds/leds-mt6360.c
> @@ -0,0 +1,808 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +
[...]
> +static int mt6360_fault_get(struct led_classdev_flash *fl_cdev, u32 *fault)
> +{
> + struct mt6360_led *led = container_of(fl_cdev, struct mt6360_led, flash);
> + struct mt6360_priv *priv = led->priv;
> + u16 fled_stat;
> + unsigned int chg_stat, strobe_timeout_mask, fled_short_mask;
> + u32 rfault = 0;
> + int ret;
You need mutex here as well because you're making two readouts and
you have to assure atomicity of this operation.
> + ret = regmap_read(priv->regmap, MT6360_REG_CHGSTAT2, &chg_stat);
> + if (ret)
> + return ret;
> +
> + ret = regmap_raw_read(priv->regmap, MT6360_REG_FLEDSTAT1, &fled_stat, sizeof(fled_stat));
> + if (ret)
> + return ret;
> +
> + if (led->led_no == MT6360_LED_FLASH1) {
> + strobe_timeout_mask = MT6360_FLED1STRBTO_MASK;
> + fled_short_mask = MT6360_FLED1SHORT_MASK;
> + } else {
> + strobe_timeout_mask = MT6360_FLED2STRBTO_MASK;
> + fled_short_mask = MT6360_FLED2SHORT_MASK;
> + }
> +
> + if (chg_stat & MT6360_FLEDCHGVINOVP_MASK)
> + rfault |= LED_FAULT_INPUT_VOLTAGE;
> +
> + if (fled_stat & strobe_timeout_mask)
> + rfault |= LED_FAULT_TIMEOUT;
> +
> + if (fled_stat & fled_short_mask)
> + rfault |= LED_FAULT_SHORT_CIRCUIT;
> +
> + if (fled_stat & MT6360_FLEDLVF_MASK)
> + rfault |= LED_FAULT_UNDER_VOLTAGE;
> +
> + *fault = rfault;
> + return 0;
> +}
> +
[...]
--
Best regards,
Jacek Anaszewski
prev parent reply other threads:[~2020-11-19 22:56 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-18 10:47 [PATCH v7 0/5] leds: mt6360: Add LED driver for MT6360 Gene Chen
2020-11-18 10:47 ` [PATCH v7 1/5] leds: flash: Add flash registration with undefined CONFIG_LEDS_CLASS_FLASH Gene Chen
2020-11-18 13:32 ` kernel test robot
2020-11-19 22:29 ` Jacek Anaszewski
2020-11-23 3:20 ` Gene Chen
2020-11-23 21:06 ` Jacek Anaszewski
2020-11-24 6:08 ` Gene Chen
2020-11-24 21:15 ` Jacek Anaszewski
2020-11-18 10:47 ` [PATCH v7 2/5] dt-bindings: leds: Add LED_COLOR_ID_MOONLIGHT definitions Gene Chen
2020-11-18 21:37 ` Pavel Machek
2020-11-19 2:20 ` Gene Chen
2020-11-19 7:44 ` Pavel Machek
2020-11-19 7:55 ` Gene Chen
2020-11-19 8:38 ` Pavel Machek
2020-11-19 21:03 ` Jacek Anaszewski
2020-11-19 21:57 ` Pavel Machek
2020-11-19 22:26 ` Jacek Anaszewski
2020-11-23 3:00 ` Gene Chen
2020-11-23 20:52 ` Jacek Anaszewski
2020-11-24 7:33 ` Gene Chen
2020-11-24 8:32 ` Gene Chen
2020-11-24 21:38 ` Jacek Anaszewski
2020-11-18 10:47 ` [PATCH v7 3/5] dt-bindings: leds: common: Increase LED_COLOR_ID_* maximum size Gene Chen
2020-11-18 10:47 ` [PATCH v7 4/5] dt-bindings: leds: Add bindings for MT6360 LED Gene Chen
2020-11-18 21:25 ` Rob Herring
2020-11-19 1:41 ` Gene Chen
2020-11-18 10:47 ` [PATCH v7 5/5] leds: mt6360: Add LED driver for MT6360 Gene Chen
2020-11-19 22:55 ` Jacek Anaszewski [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=f36fbe3a-1857-081a-a9c8-9ddf9769298c@gmail.com \
--to=jacek.anaszewski@gmail.com \
--cc=Wilma.Wu@mediatek.com \
--cc=benjamin.chao@mediatek.com \
--cc=cy_huang@richtek.com \
--cc=devicetree@vger.kernel.org \
--cc=dmurphy@ti.com \
--cc=gene.chen.richtek@gmail.com \
--cc=gene_chen@richtek.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-leds@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=matthias.bgg@gmail.com \
--cc=pavel@ucw.cz \
--cc=robh+dt@kernel.org \
--cc=shufan_lee@richtek.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).