Mauro, don't apply that patch since it is now obsolete after another
patch [1] from Steve Kerrison.

[1] https://patchwork.kernel.org/patch/1048832/

regards
Antti

On 07/29/2011 03:54 PM, Antti Palosaari wrote:
> On 07/29/2011 09:57 AM, HoP wrote:
>> When I2C_WRITE is used the msg[] array contains one element only.
>> Don't access msg[1] in that case. Also moved rest of msg2[1]
>> setting to be used only if needed.
>>
>> Signed-off-by: Honza Petrous <jpetr...@smartimp.cz>
> Acked-by: Antti Palosaari <cr...@iki.fi>
> 
>>
>> ---
>>
>> diff -r ae517614bf00 drivers/media/dvb/frontends/cxd2820r_core.c
>> --- a/drivers/media/dvb/frontends/cxd2820r_core.c    Thu Jul 28 15:44:49 
>> 2011 +0200
>> +++ b/drivers/media/dvb/frontends/cxd2820r_core.c    Thu Jul 28 16:20:17 
>> 2011 +0200
>> @@ -747,12 +747,7 @@ static int cxd2820r_tuner_i2c_xfer(struc
>>                      .flags = 0,
>>                      .len = sizeof(obuf),
>>                      .buf = obuf,
>> -            }, {
>> -                    .addr = priv->cfg.i2c_address,
>> -                    .flags = I2C_M_RD,
>> -                    .len = msg[1].len,
>> -                    .buf = msg[1].buf,
>> -            }
>> +            },
>>      };
>>
>>      obuf[0] = 0x09;
>> @@ -760,6 +755,11 @@ static int cxd2820r_tuner_i2c_xfer(struc
>>      if (num == 2) { /* I2C read */
>>              obuf[1] = (msg[0].addr << 1) | I2C_M_RD; /* I2C RD flag */
>>              msg2[0].len = sizeof(obuf) - 1; /* maybe HW bug ? */
>> +
>> +            msg2[1].addr = priv->cfg.i2c_address,
>> +            msg2[1].flags = I2C_M_RD,
>> +            msg2[1].len = msg[1].len,
>> +            msg2[1].buf = msg[1].buf,
>>      }
>>      memcpy(&obuf[2], msg[0].buf, msg[0].len);
> 
> 


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