linux-kernel - Re:[v1.1,1/3] driver: input :touchscreen : add Raydium crc touch function

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri,  8 Jul 2016 07:36:45 -0700
From:	"jeffrey.lin" <yajohn@...il.com>
To:	dmitry.torokhov@...il.com, rydberg@...omail.se,
	groeck@...omium.org, robh@...nel.org
Cc:	jeffrey.lin@...-ic.com, ealin.chiu@...-ic.com,
	jason.yeh@...-ic.com, KP.li@...-ic.com,
	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org
Subject: Re:[v1.1,1/3] driver: input :touchscreen : add Raydium crc touch function

>This is not offset, this is size, or length, of CRC.
I'll change namming as RM_CONTACT_CRC_SIZE

>> @@ -798,33 +803,54 @@ static void raydium_mt_event(struct raydium_data *ts)
>>  		input_mt_slot(ts->input, i);
>>  		input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, state);
>>  
>> -		if (!state)
>> -			continue;
>> -
>> -		input_report_abs(ts->input, ABS_MT_POSITION_X,
>> +		if (state == 0x01) {

>Why we need this change? How is it related to CRC? Do you intent to
>report contact as active but not emit any position data of state is
>neither 0 nor 1?
This is no relationship with CRC, just want to make sure report points as state equal to 1.
Okay, I'll update to another patch.

>>  static irqreturn_t raydium_i2c_irq(int irq, void *_dev)
>>  {
>>  	struct raydium_data *ts = _dev;
>> +	int error;
>>  
>> -	if (ts->boot_mode != RAYDIUM_TS_BLDR)
>> -		raydium_mt_event(ts);
>> +	if (ts->boot_mode == RAYDIUM_TS_MAIN) {
>> +		error = raydium_i2c_read_message(ts->client, ts->data_bank_addr,
>> +				 ts->report_data, ts->pkg_size);
>> +		if (!error)
>> +			raydium_i2c_event(ts);
>> +	}
>
>This chunk seems to belong to some other patch.

Yes, I'll remove them. 

Thanks.

Jeffrey