linux-kernel - Re: [PATCH v5 0/2] Add LTRF216A Driver

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Date:   Tue, 14 Jun 2022 12:51:46 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Shreeya Patel <shreeya.patel@...labora.com>
Cc:     lars@...afoo.de, robh+dt@...nel.org, Zhigang.Shi@...eon.com,
        krisman@...labora.com, linux-iio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...labora.com, alvaro.soliverez@...labora.com,
        andy.shevchenko@...il.com, digetx@...il.com
Subject: Re: [PATCH v5 0/2] Add LTRF216A Driver

On Wed,  8 Jun 2022 17:05:51 +0530
Shreeya Patel <shreeya.patel@...labora.com> wrote:

> This patchset adds support for ltrf216a Ambient Light Sensor
> and documents the DT bindings for the same.
> 
As Andy already gave some valuable feedback and you have
a few autobuilder checks to fix up (plus I'm low on time this week)
I'll wait for v6 before taking another look.

Thanks,

Jonathan

> 
> Changes in v5
>   - Add power management support.
>   - Add reset functionality.
>   - Use readx_poll_timeout() to get data.
>   - Cleanup some of the redundant code.
>   - Update int_time_fac after I2C write is successful.
>   - Rename mutex to lock.
>   - Use Reverse Xmas tree pattern for all variable definitions.
>   - Improve error handling messages and add error codes.
>   - Add one more MODULE_AUTHOR.
>   - Remove cleardata which was reading data for infrared light.
>   - Remove patch for deprecated vendor prefix [PATCH v4 3/3].
>   - Remove deprecated string from DT binding document.
> 
> Changes in v4
>   - Add more descriptive comment for mutex lock
>   - Fix mutex locking in read_raw()
>   - Use i2c_smbus_read_i2c_block_data()
> 
> Changes in v3
>   - Use u16 instead of u8 for int_time_fac
>   - Reorder headers in ltrf216a.c file
>   - Remove int_time_mapping table and use int_time_available
>   - Fix indentation in the bindings file.
> 
> Changes in v2
>   - Add support for 25ms and 50ms integration time.
>   - Rename some of the macros as per names given in datasheet
>   - Add a comment for the mutex lock
>   - Use read_avail callback instead of attributes and set the
>     appropriate _available bit.
>   - Use FIELD_PREP() at appropriate places.
>   - Add a constant lookup table for integration time and reg val
>   - Use BIT() macro for magic numbers.
>   - Improve error handling at few places.
>   - Use get_unaligned_le24() and div_u64()
>   - Use probe_new() callback and devm functions
>   - Return errors in probe using dev_err_probe()
>   - Use DEFINE_SIMPLE_DEV_PM_OPS()
>   - Correct the formula for lux to use 0.45 instead of 0.8
>   - Add interrupt and power supply property in DT bindings
>   - Add vendor prefix name as per the alphabetical order.
> 
> 
> Shreeya Patel (2):
>   dt-bindings: Document ltrf216a light sensor bindings
>   iio: light: Add support for ltrf216a sensor
> 
>  .../bindings/iio/light/liteon,ltrf216a.yaml   |  50 ++
>  drivers/iio/light/Kconfig                     |  10 +
>  drivers/iio/light/Makefile                    |   1 +
>  drivers/iio/light/ltrf216a.c                  | 441 ++++++++++++++++++
>  4 files changed, 502 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/light/liteon,ltrf216a.yaml
>  create mode 100644 drivers/iio/light/ltrf216a.c
>