linux-kernel - [PATCH v4 0/6] ACPI / fan: Add fine grain control

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Message-Id: <20220211160932.3221873-1-srinivas.pandruvada@linux.intel.com>
Date:   Fri, 11 Feb 2022 08:09:26 -0800
From:   Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
To:     rafael@...nel.org, lenb@...nel.org
Cc:     linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Subject: [PATCH v4 0/6] ACPI / fan: Add fine grain control

This series of changes adds fine grain control for fans. First 3 patches
are clean up and preparation patches.

v4
Addressed review comments:
- Creation of attributes to separate file
- Handle error in get/set callbacks
- Fix commit description for current state
- Remove casting to int by changing fif struct
- Change fan_get_fps() to acpi_fan_get_fst()
- Fallback to old method for invalid control value
- Remove logic to take reminder to adjust to 100
- Add else if for step size sanity checks

v3
Added fine_grain_control attribute.
v2-update
Change log is missed for v2.
v2
Fix for build issue as reported by Reported-by: kernel test robot <lkp@...el.com>

Srinivas Pandruvada (6):
  ACPI / fan: Fix error reporting to user space
  ACPI / fan: Separate file for attributes creation
  ACPI / fan: Optimize struct acpi_fan_fif
  ACPI / fan: Properly handle fine grain control
  ACPI / fan: Add additional attributes for fine grain control
  Documentation/admin-guide/acpi: Add documentation for fine grain
    control

 .../acpi/fan_performance_states.rst           |  28 +++
 drivers/acpi/Makefile                         |   3 +
 drivers/acpi/fan.h                            |  44 ++++
 drivers/acpi/fan_attr.c                       | 137 ++++++++++++
 drivers/acpi/{fan.c => fan_core.c}            | 204 ++++++++----------
 5 files changed, 298 insertions(+), 118 deletions(-)
 create mode 100644 drivers/acpi/fan_attr.c
 rename drivers/acpi/{fan.c => fan_core.c} (75%)

-- 
2.34.1