linux-kernel - Re: [PATCH 00/20] cleanup atmel_mxt

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Message-id: <4F6005DD.3080702@samsung.com>
Date:	Wed, 14 Mar 2012 11:43:41 +0900
From:	Joonyoung Shim <jy0922.shim@...sung.com>
To:	Daniel Kurtz <djkurtz@...omium.org>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Iiro Valkonen <iiro.valkonen@...el.com>,
	Henrik Rydberg <rydberg@...omail.se>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	Benson Leung <bleung@...omium.org>,
	Yufeng Shen <miletus@...omium.org>
Subject: Re: [PATCH 00/20] cleanup atmel_mxt_ts

On 03/13/2012 09:04 PM, Daniel Kurtz wrote:
> This patchset cleans up the atmel_mxt_ts touchscreen driver.
> In particular, it addresses the following issues:
>
> 1) sysfs
>     a) fw_update only by root
>     b) allow writing config
>     c) add backupnv to save config to device flash
> 2) faster initialization
>     a) read/write sets of registers using i2c block transactions
>     b) fetch object table as a set of i2c reads, one per object
>     c) write config data as a set of i2c writes, one per object
> 3) faster interrupt processing&  initialization times
>     a) cache important values at init instead of computing in isr
>     b) don't read message checksum byte (which isn't even enabled in fw)
>     c) read num messages first, instead of looking for 0xFF reportid
>     d) read all pending message bytes in one i2c read transaction
> 4) more correct MT-B support
>     a) send all (changed) contacts in a single EV_SYN/SYN_REPORT
>
> Daniel Kurtz (20):
>    Input: atmel_mxt_ts - use CONFIG_PM_SLEEP
>    Input: atmel_mxt_ts - only allow root to update firmware
>    Input: atmel_mxt_ts - verify object size in mxt_write_object
>    Input: atmel_mxt_ts - refactor mxt_read/write_reg to take a length
>    Input: atmel_mxt_ts - dump mxt_read/write_reg
>    Input: atmel_mxt_ts - allow writing to object sysfs entry
>    Input: atmel_mxt_ts - add backupnv sysfs entry
>    Input: atmel_mxt_ts - store actual size and instance
>    Input: atmel_mxt_ts - do not read extra (checksum) byte
>    Input: atmel_mxt_ts - dump each message on just 1 line
>    Input: atmel_mxt_ts - refactor mxt_object_show
>    Input: atmel_mxt_ts - simplify event reporting
>    Input: atmel_mxt_ts - parse vector field of data packets
>    Input: atmel_mxt_ts - refactor reading object table
>    Input: atmel_mxt_ts - optimize writing of object table entries
>    Input: atmel_mxt_ts - refactor get info
>    Input: atmel_mxt_ts - use cached T9 reportid range in isr
>    Input: atmel_mxt_ts - read num messages, then all messages
>    Input: atmel_mxt_ts - remove mxt_make_highchg and parse T6 report
>    Input: atmel_mxt_ts - send all MT-B slots in one input report
>
>   drivers/input/touchscreen/atmel_mxt_ts.c |  590 +++++++++++++++---------------
>   1 files changed, 286 insertions(+), 304 deletions(-)
>

Thanks for updating of driver.

About all patches
Reviewed-by: Joonyoung Shim <jy0922.shim@...sung.com>

Henrik's review needs about modification of Multi-touch.

Thanks.
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