Date:	Thu, 18 Dec 2014 11:06:40 +0000
From:	Dudley Du <dudl@...ress.com>
To:	Dudley Du <dudl@...ress.com>,
	"dmitry.torokhov@...il.com" <dmitry.torokhov@...il.com>,
	"jmmahler@...il.com" <jmmahler@...il.com>,
	"rydberg@...omail.se" <rydberg@...omail.se>
CC:	"bleung@...gle.com" <bleung@...gle.com>,
	David Solda <dso@...ress.com>,
	"linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v16 00/12] input: cyapa: instruction of cyapa patches

Jeremiah,

I re-sent the v16 patches through the new internal email server with my emal dudl@...ress.com.
Could you help check if all patches were fine and not broken.

Thanks,
Dudley

> -----Original Message-----
> From: Dudley Du [mailto:dudl@...ress.com]
> Sent: 2014?12?18? 18:01
> To: dmitry.torokhov@...il.com; jmmahler@...il.com; rydberg@...omail.se
> Cc: Dudley Du; bleung@...gle.com; David Solda; linux-input@...r.kernel.org;
> linux-kernel@...r.kernel.org
> Subject: [PATCH v16 00/12] input: cyapa: instruction of cyapa patches
>
> V16 patches have below updates, details of other updates see history list:
> 1) Fix all miss-spelling and space issue.
> 2) Rename variables and functions with much more clearer names.
> 3) Initialize and document tries near where it will be used.
> 4) Modify cmd buffer to struct for more descriptive way.
>
>
> This patch series is aimed to re-design the cyapa driver to support
> old gen3 trackpad devices and new gen5 trackpad devices in one
> cyapa driver, it's for easily productions support based on
> customers' requirements. And add sysfs functions and interfaces
> supported that required by users and customers.
>
> Since the earlier gen3 and the latest gen5 trackpad devices using
> two different chipsets, and have different protocols and interfaces,
> so if supported these two type trackpad devices in two different drivers,
> then it will be difficult to manage productions and later firmware updates.
> e.g.: It will cause customer don't know which one trackpad device firmware
> image to use and update when it has been used and integrated
> in same one productions, so here we support these two trackpad
> devices in same on driver.
>
>
> Dudley Du (12):
>   input: cyapa: re-design driver to support multi-trackpad in one driver
>   input: cyapa: add gen5 trackpad device basic functions support
>   input: cyapa: add power management interfaces support for the device
>   input: cyapa: add runtime power management interfaces support for the
>     device
>   input: cyapa: add sysfs interfaces support in the cyapa driver
>   input: cyapa: add gen3 trackpad device firmware update function
>     support
>   input: cyapa: add gen3 trackpad device read baseline function support
>   input: cyapa: add gen3 trackpad device force re-calibrate function
>     support
>   input: cyapa: add gen5 trackpad device firmware update function
>     support
>   input: cyapa: add gen5 trackpad device read baseline function support
>   input: cyapa: add gen5 trackpad device force re-calibrate function
>     support
>   input: cyapa: add acpi device id support
>
>  drivers/input/mouse/Kconfig      |    1 +
>  drivers/input/mouse/Makefile     |    3 +-
>  drivers/input/mouse/cyapa.c      | 1692 ++++++++++++++---------
>  drivers/input/mouse/cyapa.h      |  314 +++++
>  drivers/input/mouse/cyapa_gen3.c | 1220 +++++++++++++++++
>  drivers/input/mouse/cyapa_gen5.c | 2767
> ++++++++++++++++++++++++++++++++++++++
>  6 files changed, 5325 insertions(+), 672 deletions(-)
>  create mode 100644 drivers/input/mouse/cyapa.h
>  create mode 100644 drivers/input/mouse/cyapa_gen3.c
>  create mode 100644 drivers/input/mouse/cyapa_gen5.c
>
>
> History patch series modifications list:
> V15 patches have below main updates compared with v14 patches:
> 1) Fix all warning errors of sparse tool when running with "make C=1".
> 2) Change variable name "unique_str" to "product_id" for clearer meanings.
> 3) Update cyapa_i2c_write function to return error directly when length > 31.
>
> V14 patches have below main updates compared with v13 patches:
> 1) Correct 9 miss spelling issues of "bufferred" to "buffered".
> 2) Fix the upgrade issue of removing MOUSE_CYAPA config when make oldconfig
>    by replase "depends on I2C && CRC_ITU_T" with
> "depends on I2C"
> "select CRC_ITU_T"
>    in patch 9.
>
> V13 patches have below main updates compared with v12 patches:
> 1) Remove all debugfs interface, including read_fw and raw_data interfaces.
> 2) This patches are made based linux next-20141208.
>
> V12 patches have below main updates compared with v11 patches:
> 1) Add check that when TP is detected but not operational, do not exit driver
>    immediately, but wait and export the update_fw interface for recovering.
> 2) Re-arrange the function codes, remove unnesseary protype definitions in
>    the header file.
>
> V11 patches have below main updates compared with v10 patches:
> 1) Add add acpi device id supported for old gen3 and new gen5 trackpad devices.
> 2) Fix the unable to update firmware issue when cyapa_open is not called
>    which means the irq for firwmare update process is not enabled. This fix
>    by checking if the irq is enabled, if not then enable irq before start to
>    do firmware update.
>
> V10 patches have below main updates compared with v9 patches:
> 1) Modify code to following kernel code style.
>    e.g.: correct to use error as return name when there is only error path,
>    and fix the checkpatch.sh wanting in the driver.
> 2) Remove cyapa_remove method and use input open and close interface to
>    following device resouse management infrastructure.
> 3) Modify cyapa_detect method to return tristate issue to make the return value
>    much more consistent and clear.
> 4) Use platform supplied functions as possible instead of driver
>    specific rewritten version.
>
> V9 patches have below updates compared with v8 patches:
> 1) Removed all async thread stuff from the driver.
> 2) Split driver into 18 patches for each function change one patch.
>
> V8 patches have below updates compared with v7 patches:
> 1) [PATCH v8 01/13] - Remove the async thread for device detect in
>    probe routine, now the device detect process is completely done within
>    the device probe routine.
> 2) [PATCH v8 01/13] - Split the irq cmd hander function to separated
>    function cyapa_default_irq_cmd_handler() and set it to interface
>    cyapa_default_ops.irq_cmd_handler.
> 3) [PATCH v8 06/13] - Add cyapa->gen check in cyapa_gen3_irq_cmd_handler()
>    to avoid miss-enter when device protocol is still in detecting.
>
> V7 patches have below updates compared with v6 patches:
> 1) [PATCH v7 01/13] - Split the irq cmd hander function to separated
>    function cyapa_default_irq_cmd_handler() and set it to interface
>    cyapa_default_ops.irq_cmd_handler.
> 2) [PATCH v7 06/13] - Add cyapa->gen check in cyapa_gen3_irq_cmd_handler()
>    to avoid miss-enter when device protocol is still in detecting.
>
>
> V6 patches have below updates compared with v5 patches:
> 1) Remove patch 14 of the lid filtering from the cyapa driver.
>
> V5 patches have below updates compared with v4 patches:
> 1) Uses get_device()/put_device() instead of kobject_get()/kobject_put();
> 2) Fix memories freed before debugfs entries issue;
> 3) Make cyapa_debugs_root valid in driver module level
>    in module_init()/moudle_exit() ;
> 4) Fix i2c_transfer() may return partial transfer issues.
> 5) Add cyapa->removed flag to avoid detecting thread may still running
>    when driver module is removed.
> 6) Fix the meanings of some comments and return error code not clear issue.

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