drivers: led: lp5569: implement write_channels api

doc/releases/release-notes-4.0.rst

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+:orphan:
+
+.. _zephyr_4.0:
+
+Zephyr 4.0.0 (Working Draft)
+############################
+
+We are pleased to announce the release of Zephyr version 4.0.0.
+
+Major enhancements with this release include:
+
+An overview of the changes required or recommended when migrating your application from Zephyr
+v3.7.0 to Zephyr v4.0.0 can be found in the separate :ref:`migration guide<migration_4.0>`.
+
+The following sections provide detailed lists of changes by component.
+
+Security Vulnerability Related
+******************************
+The following CVEs are addressed by this release:
+
+More detailed information can be found in:
+https://docs.zephyrproject.org/latest/security/vulnerabilities.html
+
+API Changes
+***********
+
+* Removed deprecated arch-level CMSIS header files
+  ``include/zephyr/arch/arm/cortex_a_r/cmsis.h`` and
+  ``include/zephyr/arch/arm/cortex_m/cmsis.h``. ``cmsis_core.h`` needs to be
+  included now.
+
+* Removed deprecated ``ceiling_fraction`` macro. :c:macro:`DIV_ROUND_UP` needs
+  to be used now.
+
+* Deprecated ``EARLY``, ``APPLICATION`` and ``SMP`` init levels can no longer be
+  used for devices.
+
+Removed APIs in this release
+============================
+
+Deprecated in this release
+==========================
+
+* Deprecated the :c:func:`net_buf_put` and :c:func:`net_buf_get` API functions in favor of
+  :c:func:`k_fifo_put` and :c:func:`k_fifo_get`.
+
+Architectures
+*************
+
+* ARC
+
+* ARM
+
+* ARM64
+
+* RISC-V
+
+* Xtensa
+
+Kernel
+******
+
+Bluetooth
+*********
+
+* Audio
+
+* Host
+
+  * Added API :c:func:`bt_gatt_get_uatt_mtu` to get current Unenhanced ATT MTU of a given
+    connection (experimental).
+
+* HCI Drivers
+
+Boards & SoC Support
+********************
+
+* Added support for these SoC series:
+
+* Made these changes in other SoC series:
+
+  * NXP S32Z270: Added support for the new silicon cut version 2.0. Note that the previous
+    versions (1.0 and 1.1) are no longer supported.
+
+* Added support for these boards:
+
+* Made these board changes:
+
+  * :ref:`native_posix<native_posix>` has been deprecated in favour of
+    :ref:`native_sim<native_sim>`.
+
+* Added support for the following shields:
+
+Build system and Infrastructure
+*******************************
+
+Drivers and Sensors
+*******************
+
+* ADC
+
+* Battery
+
+* CAN
+
+* Charger
+
+* Clock control
+
+* Counter
+
+* DAC
+
+* Disk
+
+* Display
+
+* Ethernet
+
+  * LiteX: Renamed the ``compatible`` from ``litex,eth0`` to :dtcompatible:`litex,liteeth`.
+
+* Flash
+
+* GNSS
+
+* GPIO
+
+* Hardware info
+
+* I2C
+
+* I2S
+
+* I3C
+
+* Input
+
+* LED
+
+  * lp5569: added ``charge-pump-mode`` property to configure the charge pump of the lp5569.
+
+  * lp5569: added ``enable-gpios`` property to describe the EN/PWM GPIO of the lp5569.
+
+* LED Strip
+
+* LoRa
+
+* Mailbox
+
+* MDIO
+
+* MFD
+
+* Modem
+
+* MIPI-DBI
+
+* MSPI
+
+* Pin control
+
+* PWM
+
+* Regulators
+
+* Reset
+
+* RTC
+
+* RTIO
+
+* SDHC
+
+* Sensors
+
+* Serial
+
+  * LiteX: Renamed the ``compatible`` from ``litex,uart0`` to :dtcompatible:`litex,uart`.
+
+* SPI
+
+* USB
+
+* Video
+
+* Watchdog
+
+* Wi-Fi
+
+Networking
+**********
+
+* ARP:
+
+* CoAP:
+
+* Connection manager:
+
+* DHCPv4:
+
+* DHCPv6:
+
+* DNS/mDNS/LLMNR:
+
+* gPTP/PTP:
+
+* HTTP:
+
+* IPSP:
+
+* IPv4:
+
+* IPv6:
+
+* LwM2M:
+  * Location object: optional resources altitude, radius, and speed can now be
+  used optionally as per the location object's specification. Users of these
+  resources will now need to provide a read buffer.
+
+* Misc:
+
+* MQTT:
+
+* Network Interface:
+
+* OpenThread
+
+* PPP
+
+* Shell:
+
+* Sockets:
+
+* Syslog:
+
+* TCP:
+
+* Websocket:
+
+* Wi-Fi:
+
+* zperf:
+
+USB
+***
+
+Devicetree
+**********
+
+Kconfig
+*******
+
+Libraries / Subsystems
+**********************
+
+* Debug
+
+* Demand Paging
+
+* Formatted output
+
+* Management
+
+* Logging
+
+* Modem modules
+
+* Power management
+
+* Crypto
+
+* CMSIS-NN
+
+* FPGA
+
+* Random
+
+* SD
+
+* State Machine Framework
+
+* Storage
+
+  * LittleFS: The module has been updated with changes committed upstream
+    from version 2.8.1, the last module update, up to and including
+    the released version 2.9.3.
+
+* Task Watchdog
+
+* POSIX API
+
+* LoRa/LoRaWAN
+
+* ZBus
+
+HALs
+****
+
+* Nordic
+
+* STM32
+
+* ADI
+
+* Espressif
+
+MCUboot
+*******
+
+OSDP
+****
+
+Trusted Firmware-M
+******************
+
+LVGL
+****
+
+Tests and Samples
+*****************
+
+Issue Related Items
+*******************
+
+Known Issues
+============