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From: Yassine Oudjana <y.oudjana@protonmail.com>
To: bjorn.andersson@linaro.org
Cc: agross@kernel.org, devicetree@vger.kernel.org, dmurphy@ti.com,
	lee.jones@linaro.org, linux-arm-msm@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-leds@vger.kernel.org,
	linux-pwm@vger.kernel.org, martin.botka1@gmail.com, pavel@ucw.cz,
	robh+dt@kernel.org, thierry.reding@gmail.com,
	u.kleine-koenig@pengutronix.de,
	Yassine Oudjana <y.oudjana@protonmail.com>
Subject: Re: [PATCH v6 2/4] leds: Add driver for Qualcomm LPG
Date: Thu, 15 Apr 2021 10:46:50 +0000	[thread overview]
Message-ID: <MhLF908GTTNiXzyq2bkuFfK30ETPKJrYqVSGyeT4rY@cp4-web-038.plabs.ch> (raw)

Hi,

On Wed, 21 Oct 2020 13:12:22 -0700 Bjorn Andersson wrote:
> The Light Pulse Generator (LPG) is a PWM-block found in a wide range of
> PMICs from Qualcomm. It can operate on fixed parameters or based on a
> lookup-table, altering the duty cycle over time - which provides the
> means for e.g. hardware assisted transitions of LED brightness.
> 
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> ---
> 
> Changes since v5:
> - Make sure to not used the state of the last channel in a group to
> determine if the current sink should be active for all channels in the
> group. - Replacement of unsigned -1 with UINT_MAX
> - Work around potential overflow by using larger data types, instead of
> separate code paths - Use cpu_to_l16() rather than hand rolling them
> - Minor style cleanups
> 
>  drivers/leds/Kconfig         |    9 +
>  drivers/leds/Makefile        |    1 +
>  drivers/leds/leds-qcom-lpg.c | 1190 ++++++++++++++++++++++++++++++++++
>  3 files changed, 1200 insertions(+)
>  create mode 100644 drivers/leds/leds-qcom-lpg.c

Works well on the Xiaomi Mi Note 2 (msm8996pro/pmi8996).

Tested-by: Yassine Oudjana <y.oudjana@protonmail.com>

Regards,
Yassine


             reply	other threads:[~2021-04-15 10:53 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-15 10:46 Yassine Oudjana [this message]
  -- strict thread matches above, loose matches on Subject: below --
2020-10-21 20:12 [PATCH v6 0/4] Qualcomm Light Pulse Generator Bjorn Andersson
2020-10-21 20:12 ` [PATCH v6 2/4] leds: Add driver for Qualcomm LPG Bjorn Andersson
2020-10-22 19:25   ` Luca Weiss
2020-10-29 18:13   ` Pavel Machek
2021-04-29  0:12     ` Bjorn Andersson
2021-04-29 21:12       ` Pavel Machek
2021-04-29 21:29         ` Bjorn Andersson
2021-05-04 15:43           ` Pavel Machek
2021-05-04 16:13             ` Bjorn Andersson
2021-05-05  5:21               ` Uwe Kleine-König
2021-04-18 21:54   ` Marijn Suijten
2021-04-28 22:39     ` Bjorn Andersson
2021-04-29 19:31       ` Marijn Suijten
2021-04-29 20:54         ` Bjorn Andersson
2021-05-05  5:15   ` Uwe Kleine-König
2021-05-05  5:19     ` Uwe Kleine-König
2021-05-13 17:43     ` Bjorn Andersson

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