License cleanup: add SPDX GPL-2.0 license identifier to files with no license
Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.
By default all files without license information are under the default
license of the kernel, which is GPL version 2.
Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier. The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.
How this work was done:
Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
- file had no licensing information it it.
- file was a */uapi/* one with no licensing information in it,
- file was a */uapi/* one with existing licensing information,
Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.
The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne. Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.
The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed. Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.
Criteria used to select files for SPDX license identifier tagging was:
- Files considered eligible had to be source code files.
- Make and config files were included as candidates if they contained >5
lines of source
- File already had some variant of a license header in it (even if <5
lines).
All documentation files were explicitly excluded.
The following heuristics were used to determine which SPDX license
identifiers to apply.
- when both scanners couldn't find any license traces, file was
considered to have no license information in it, and the top level
COPYING file license applied.
For non */uapi/* files that summary was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 11139
and resulted in the first patch in this series.
If that file was a */uapi/* path one, it was "GPL-2.0 WITH
Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 WITH Linux-syscall-note 930
and resulted in the second patch in this series.
- if a file had some form of licensing information in it, and was one
of the */uapi/* ones, it was denoted with the Linux-syscall-note if
any GPL family license was found in the file or had no licensing in
it (per prior point). Results summary:
SPDX license identifier # files
---------------------------------------------------|------
GPL-2.0 WITH Linux-syscall-note 270
GPL-2.0+ WITH Linux-syscall-note 169
((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21
((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17
LGPL-2.1+ WITH Linux-syscall-note 15
GPL-1.0+ WITH Linux-syscall-note 14
((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5
LGPL-2.0+ WITH Linux-syscall-note 4
LGPL-2.1 WITH Linux-syscall-note 3
((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3
((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1
and that resulted in the third patch in this series.
- when the two scanners agreed on the detected license(s), that became
the concluded license(s).
- when there was disagreement between the two scanners (one detected a
license but the other didn't, or they both detected different
licenses) a manual inspection of the file occurred.
- In most cases a manual inspection of the information in the file
resulted in a clear resolution of the license that should apply (and
which scanner probably needed to revisit its heuristics).
- When it was not immediately clear, the license identifier was
confirmed with lawyers working with the Linux Foundation.
- If there was any question as to the appropriate license identifier,
the file was flagged for further research and to be revisited later
in time.
In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.
Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights. The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.
Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.
In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.
Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
- a full scancode scan run, collecting the matched texts, detected
license ids and scores
- reviewing anything where there was a license detected (about 500+
files) to ensure that the applied SPDX license was correct
- reviewing anything where there was no detection but the patch license
was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
SPDX license was correct
This produced a worksheet with 20 files needing minor correction. This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.
These .csv files were then reviewed by Greg. Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected. This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.) Finally Greg ran the script using the .csv files to
generate the patches.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-01 22:07:57 +08:00
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/* SPDX-License-Identifier: GPL-2.0 */
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2014-10-22 17:58:44 +08:00
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/*
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* This header provides constants for the Qualcomm PMIC GPIO binding.
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*/
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#ifndef _DT_BINDINGS_PINCTRL_QCOM_PMIC_GPIO_H
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#define _DT_BINDINGS_PINCTRL_QCOM_PMIC_GPIO_H
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#define PMIC_GPIO_PULL_UP_30 0
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#define PMIC_GPIO_PULL_UP_1P5 1
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#define PMIC_GPIO_PULL_UP_31P5 2
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#define PMIC_GPIO_PULL_UP_1P5_30 3
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#define PMIC_GPIO_STRENGTH_NO 0
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#define PMIC_GPIO_STRENGTH_HIGH 1
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#define PMIC_GPIO_STRENGTH_MED 2
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#define PMIC_GPIO_STRENGTH_LOW 3
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/*
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* Note: PM8018 GPIO3 and GPIO4 are supporting
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* only S3 and L2 options (1.8V)
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*/
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#define PM8018_GPIO_L6 0
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#define PM8018_GPIO_L5 1
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#define PM8018_GPIO_S3 2
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#define PM8018_GPIO_L14 3
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#define PM8018_GPIO_L2 4
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#define PM8018_GPIO_L4 5
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#define PM8018_GPIO_VDD 6
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/*
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* Note: PM8038 GPIO7 and GPIO8 are supporting
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* only L11 and L4 options (1.8V)
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*/
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#define PM8038_GPIO_VPH 0
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#define PM8038_GPIO_BB 1
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#define PM8038_GPIO_L11 2
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#define PM8038_GPIO_L15 3
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#define PM8038_GPIO_L4 4
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#define PM8038_GPIO_L3 5
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#define PM8038_GPIO_L17 6
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#define PM8058_GPIO_VPH 0
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#define PM8058_GPIO_BB 1
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#define PM8058_GPIO_S3 2
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#define PM8058_GPIO_L3 3
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#define PM8058_GPIO_L7 4
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#define PM8058_GPIO_L6 5
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#define PM8058_GPIO_L5 6
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#define PM8058_GPIO_L2 7
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2015-03-31 17:37:18 +08:00
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/*
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* Note: PM8916 GPIO1 and GPIO2 are supporting
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* only L2(1.15V) and L5(1.8V) options
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*/
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#define PM8916_GPIO_VPH 0
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#define PM8916_GPIO_L2 2
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#define PM8916_GPIO_L5 3
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2014-10-22 17:58:44 +08:00
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#define PM8917_GPIO_VPH 0
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#define PM8917_GPIO_S4 2
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#define PM8917_GPIO_L15 3
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#define PM8917_GPIO_L4 4
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#define PM8917_GPIO_L3 5
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#define PM8917_GPIO_L17 6
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#define PM8921_GPIO_VPH 0
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#define PM8921_GPIO_BB 1
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#define PM8921_GPIO_S4 2
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#define PM8921_GPIO_L15 3
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#define PM8921_GPIO_L4 4
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#define PM8921_GPIO_L3 5
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#define PM8921_GPIO_L17 6
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/*
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* Note: PM8941 gpios from 15 to 18 are supporting
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* only S3 and L6 options (1.8V)
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*/
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#define PM8941_GPIO_VPH 0
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#define PM8941_GPIO_L1 1
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#define PM8941_GPIO_S3 2
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#define PM8941_GPIO_L6 3
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/*
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* Note: PMA8084 gpios from 15 to 18 are supporting
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* only S4 and L6 options (1.8V)
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*/
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#define PMA8084_GPIO_VPH 0
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#define PMA8084_GPIO_L1 1
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#define PMA8084_GPIO_S4 2
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#define PMA8084_GPIO_L6 3
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2016-09-17 01:41:20 +08:00
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#define PM8994_GPIO_VPH 0
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#define PM8994_GPIO_S4 2
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#define PM8994_GPIO_L12 3
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2014-10-22 17:58:44 +08:00
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/* To be used with "function" */
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#define PMIC_GPIO_FUNC_NORMAL "normal"
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#define PMIC_GPIO_FUNC_PAIRED "paired"
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#define PMIC_GPIO_FUNC_FUNC1 "func1"
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#define PMIC_GPIO_FUNC_FUNC2 "func2"
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2017-08-15 08:38:37 +08:00
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#define PMIC_GPIO_FUNC_FUNC3 "func3"
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#define PMIC_GPIO_FUNC_FUNC4 "func4"
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2014-10-22 17:58:44 +08:00
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#define PMIC_GPIO_FUNC_DTEST1 "dtest1"
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#define PMIC_GPIO_FUNC_DTEST2 "dtest2"
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#define PMIC_GPIO_FUNC_DTEST3 "dtest3"
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#define PMIC_GPIO_FUNC_DTEST4 "dtest4"
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#define PM8038_GPIO1_2_LPG_DRV PMIC_GPIO_FUNC_FUNC1
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#define PM8038_GPIO3_5V_BOOST_EN PMIC_GPIO_FUNC_FUNC1
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#define PM8038_GPIO4_SSBI_ALT_CLK PMIC_GPIO_FUNC_FUNC1
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#define PM8038_GPIO5_6_EXT_REG_EN PMIC_GPIO_FUNC_FUNC1
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#define PM8038_GPIO10_11_EXT_REG_EN PMIC_GPIO_FUNC_FUNC1
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#define PM8038_GPIO6_7_CLK PMIC_GPIO_FUNC_FUNC1
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#define PM8038_GPIO9_BAT_ALRM_OUT PMIC_GPIO_FUNC_FUNC1
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#define PM8038_GPIO6_12_KYPD_DRV PMIC_GPIO_FUNC_FUNC2
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#define PM8058_GPIO7_8_MP3_CLK PMIC_GPIO_FUNC_FUNC1
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#define PM8058_GPIO7_8_BCLK_19P2MHZ PMIC_GPIO_FUNC_FUNC2
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#define PM8058_GPIO9_26_KYPD_DRV PMIC_GPIO_FUNC_FUNC1
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#define PM8058_GPIO21_23_UART_TX PMIC_GPIO_FUNC_FUNC2
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#define PM8058_GPIO24_26_LPG_DRV PMIC_GPIO_FUNC_FUNC2
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#define PM8058_GPIO33_BCLK_19P2MHZ PMIC_GPIO_FUNC_FUNC1
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#define PM8058_GPIO34_35_MP3_CLK PMIC_GPIO_FUNC_FUNC1
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#define PM8058_GPIO36_BCLK_19P2MHZ PMIC_GPIO_FUNC_FUNC1
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#define PM8058_GPIO37_UPL_OUT PMIC_GPIO_FUNC_FUNC1
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#define PM8058_GPIO37_UART_M_RX PMIC_GPIO_FUNC_FUNC2
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#define PM8058_GPIO38_XO_SLEEP_CLK PMIC_GPIO_FUNC_FUNC1
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#define PM8058_GPIO38_39_CLK_32KHZ PMIC_GPIO_FUNC_FUNC2
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#define PM8058_GPIO39_MP3_CLK PMIC_GPIO_FUNC_FUNC1
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#define PM8058_GPIO40_EXT_BB_EN PMIC_GPIO_FUNC_FUNC1
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2015-03-31 17:37:18 +08:00
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#define PM8916_GPIO1_BAT_ALRM_OUT PMIC_GPIO_FUNC_FUNC1
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#define PM8916_GPIO1_KEYP_DRV PMIC_GPIO_FUNC_FUNC2
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#define PM8916_GPIO2_DIV_CLK PMIC_GPIO_FUNC_FUNC1
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#define PM8916_GPIO2_SLEEP_CLK PMIC_GPIO_FUNC_FUNC2
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#define PM8916_GPIO3_KEYP_DRV PMIC_GPIO_FUNC_FUNC1
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#define PM8916_GPIO4_KEYP_DRV PMIC_GPIO_FUNC_FUNC2
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2014-10-22 17:58:44 +08:00
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#define PM8917_GPIO9_18_KEYP_DRV PMIC_GPIO_FUNC_FUNC1
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#define PM8917_GPIO20_BAT_ALRM_OUT PMIC_GPIO_FUNC_FUNC1
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#define PM8917_GPIO21_23_UART_TX PMIC_GPIO_FUNC_FUNC2
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#define PM8917_GPIO25_26_EXT_REG_EN PMIC_GPIO_FUNC_FUNC1
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#define PM8917_GPIO37_38_XO_SLEEP_CLK PMIC_GPIO_FUNC_FUNC1
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#define PM8917_GPIO37_38_MP3_CLK PMIC_GPIO_FUNC_FUNC2
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#define PM8941_GPIO9_14_KYPD_DRV PMIC_GPIO_FUNC_FUNC1
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#define PM8941_GPIO15_18_DIV_CLK PMIC_GPIO_FUNC_FUNC1
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#define PM8941_GPIO15_18_SLEEP_CLK PMIC_GPIO_FUNC_FUNC2
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#define PM8941_GPIO23_26_KYPD_DRV PMIC_GPIO_FUNC_FUNC1
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#define PM8941_GPIO23_26_LPG_DRV_HI PMIC_GPIO_FUNC_FUNC2
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#define PM8941_GPIO31_BAT_ALRM_OUT PMIC_GPIO_FUNC_FUNC1
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#define PM8941_GPIO33_36_LPG_DRV_3D PMIC_GPIO_FUNC_FUNC1
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#define PM8941_GPIO33_36_LPG_DRV_HI PMIC_GPIO_FUNC_FUNC2
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#define PMA8084_GPIO4_5_LPG_DRV PMIC_GPIO_FUNC_FUNC1
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#define PMA8084_GPIO7_10_LPG_DRV PMIC_GPIO_FUNC_FUNC1
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#define PMA8084_GPIO5_14_KEYP_DRV PMIC_GPIO_FUNC_FUNC2
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#define PMA8084_GPIO19_21_KEYP_DRV PMIC_GPIO_FUNC_FUNC2
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#define PMA8084_GPIO15_18_DIV_CLK PMIC_GPIO_FUNC_FUNC1
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#define PMA8084_GPIO15_18_SLEEP_CLK PMIC_GPIO_FUNC_FUNC2
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#define PMA8084_GPIO22_BAT_ALRM_OUT PMIC_GPIO_FUNC_FUNC1
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#endif
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