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28 Jan 2023 16:33:54 +1030 Received: from agc.crawford.emu.id.au (agc.crawford.emu.id.au [IPv6:fdd2:7aad:d478:1:0:0:cb10:cc07]) (authenticated bits=0) by bits.crawford.emu.id.au (8.17.1/8.17.1) with ESMTPSA id 30S63ChF2973396 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Sat, 28 Jan 2023 17:03:50 +1100 Authentication-Results: bits.crawford.emu.id.au; arc=none smtp.remote-ip=fdd2:7aad:d478:1::cb10:cc07 DKIM-Filter: OpenDKIM Filter v2.11.0 bits.crawford.emu.id.au 30S63ChF2973396 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=crawford.emu.id.au; s=s1; t=1674885830; bh=MSNYIPrAfW4K6tz4R4oTou9pEQiEgFnaPs8051r27P8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MM0zgOVp06+ttY1sffwZ9G0/DrpyOyBcfvl7mtVZe92owD+mbsSIH6mQqr/k80OFS IJhmD8nObgiN/ry/6ogEMIjz0KCibXGmwaGQB/HSx7OVNIrm7qTtK4vzjSqlLgLVPw /hcTRKrme0HX6utgSbZxShQ7DoxnmviAqa7plxn+x+zM0yTaEUPJ6cmk8Xzy252z6W VX0i5T3aJPbX58kFsObDnd3ZxWw5njrES16AdlVo/HwM/YjSKRh83Ds4bQyEMX8E2L eqo1zv5VabMWGpy/f7chJuxmjg3SWJLS6sf8N6V3y/BBwLGJGLLd5gD0cOBF83AuUL I8U8pCEP3FBMg== From: Frank Crawford To: Jean Delvare , Guenter Roeck Cc: linux-hwmon@vger.kernel.org, Frank Crawford Subject: [PATCH v3 7/7] hwmon: (it87) Updated documentation for recent updates to it87 Date: Sat, 28 Jan 2023 17:03:08 +1100 Message-Id: <20230128060308.1549707-8-frank@crawford.emu.id.au> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230128060308.1549707-1-frank@crawford.emu.id.au> References: <20230128060308.1549707-1-frank@crawford.emu.id.au> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.6.4 (bits.crawford.emu.id.au [IPv6:fdd2:7aad:d478:1:0:0:cb10:cc01]); Sat, 28 Jan 2023 17:03:50 +1100 (AEDT) X-Virus-Scanned: clamav-milter 0.103.7 at bits.crawford.emu.id.au X-Virus-Status: Clean Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org Updated the driver documentation to list all current chips and describe the module parameters as per descriptions in the code. Signed-off-by: Frank Crawford --- v3: * No change. v2: * No change. --- Documentation/hwmon/it87.rst | 47 ++++++++++++++++++++++++++++++++---- 1 file changed, 42 insertions(+), 5 deletions(-) diff --git a/Documentation/hwmon/it87.rst b/Documentation/hwmon/it87.rst index 2d83f23bee93..5cef4f265000 100644 --- a/Documentation/hwmon/it87.rst +++ b/Documentation/hwmon/it87.rst @@ -145,6 +145,22 @@ Supported chips: Datasheet: Not publicly available + * IT8792E/IT8795E + + Prefix: 'it8792' + + Addresses scanned: from Super I/O config space (8 I/O ports) + + Datasheet: Not publicly available + + * IT87952E + + Prefix: 'it87952' + + Addresses scanned: from Super I/O config space (8 I/O ports) + + Datasheet: Not publicly available + * SiS950 [clone of IT8705F] Prefix: 'it87' @@ -162,7 +178,7 @@ Authors: Module Parameters ----------------- -* update_vbat: int +* update_vbat bool 0 if vbat should report power on value, 1 if vbat should be updated after each read. Default is 0. On some boards the battery voltage is provided by either the battery or the onboard power supply. Only the first reading @@ -171,11 +187,31 @@ Module Parameters the chip so can be read at any time. Excessive reading may decrease battery life but no information is given in the datasheet. -* fix_pwm_polarity int +* fix_pwm_polarity bool Force PWM polarity to active high (DANGEROUS). Some chips are misconfigured by BIOS - PWM values would be inverted. This option tries to fix this. Please contact your BIOS manufacturer and ask him for fix. +* force_id short, short + + Force multiple chip ID to specified value, separated by ','. + For example "force_id=0x8689,0x8633". A value of 0 is ignored + for that chip. + Note: A single force_id value (e.g. "force_id=0x8689") is used for + all chips, to only set the first chip use "force_id=0x8689,0". + Should only be used for testing. + +* ignore_resource_conflict bool + + Similar to acpi_enforce_resources=lax, but only affects this driver. + ACPI resource conflicts are ignored if this parameter is provided and + set to 1. + Provided since there are reports that system-wide acpi_enfore_resources=lax + can result in boot failures on some systems. + Note: This is inherently risky since it means that both ACPI and this driver + may access the chip at the same time. This can result in race conditions and, + worst case, result in unexpected system reboots. + Hardware Interfaces ------------------- @@ -193,8 +229,8 @@ Description This driver implements support for the IT8603E, IT8620E, IT8623E, IT8628E, IT8705F, IT8712F, IT8716F, IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8732F, -IT8758E, IT8771E, IT8772E, IT8781F, IT8782F, IT8783E/F, IT8786E, IT8790E, and -SiS950 chips. +IT8758E, IT8771E, IT8772E, IT8781F, IT8782F, IT8783E/F, IT8786E, IT8790E, +IT8792E/IT8795E, IT87952E and SiS950 chips. These chips are 'Super I/O chips', supporting floppy disks, infrared ports, joysticks and other miscellaneous stuff. For hardware monitoring, they @@ -238,7 +274,8 @@ of the fan is not supported (value 0 of pwmX_enable). The IT8620E and IT8628E are custom designs, hardware monitoring part is similar to IT8728F. It only supports 16-bit fan mode. Both chips support up to 6 fans. -The IT8790E supports up to 3 fans. 16-bit fan mode is always enabled. +The IT8790E, IT8792E/IT8795E and IT87952E support up to 3 fans. 16-bit fan +mode is always enabled. The IT8732F supports a closed-loop mode for fan control, but this is not currently implemented by the driver. -- 2.39.1