Hi Jean,
Le 24/05/2013 14:20, Jean Delvare a écrit :
> On Fri, 24 May 2013 11:52:54 +0200, Mylene Josserand wrote:
>> - an audio codec tlv320aic3204 : There is a driver for this device but
>> for some reasons, we did not use it. Did not find a "SMBus compliant" in
>> its datasheet.
>
> The tlv320a
On Fri, 24 May 2013 11:52:54 +0200, Mylene Josserand wrote:
> Right now, my company uses the "i2c_smbus_read/write_byte_data"
> functions to talk to devices through an application. On the datasheet of
> these devices, I search but did not seem to be SMBus compliant.
> As it was a software which w
On Fri, 24 May 2013 16:29:36 +0530, anish singh wrote:
> On Fri, May 24, 2013 at 1:14 PM, Jean Delvare wrote:
> > On Fri, 24 May 2013 12:52:40 +0530, anish singh wrote:
> >> http://thread.gmane.org/gmane.linux.kernel/1410276
> >
> > This is for a specific case. The general case is handled by the
>
On Fri, May 24, 2013 at 1:14 PM, Jean Delvare wrote:
> Hi Anish, Mylène,
>
> On Fri, 24 May 2013 12:52:40 +0530, anish singh wrote:
>> On Fri, May 24, 2013 at 12:41 PM, Mylene Josserand
>> wrote:
>> > I have read that this function "i2c_smbus_write_byte_data" uses
>> > "i2c_smbus_xfer" which uses
Le 24/05/2013 11:07, Jean Delvare a écrit :
> On Fri, 24 May 2013 10:54:11 +0200, Mylene Josserand wrote:
>> Ah okay ! And if there are not SMBus compliant, what function I will
>> have to use ?
>
> i2c_transfer()
Okay, logic name ;)
>> What is it doing if I use this function and that my
On Fri, 24 May 2013 10:54:11 +0200, Mylene Josserand wrote:
> Ah okay ! And if there are not SMBus compliant, what function I will
> have to use ?
i2c_transfer()
> What is it doing if I use this function and that my device is not SMbus
> compliant ?
This would make no sense. Your device underst
Thanks, both of you, for your answers ! It helps me a lot to understand it !
Le 24/05/2013 09:22, anish singh a écrit :
> On Fri, May 24, 2013 at 12:41 PM, Mylene Josserand
> wrote:
>> Hi all,
>>
>>
>> I am learning how i2c is working and I read that, to write in an i2c
>> register, I nee
Hi Anish, Mylène,
On Fri, 24 May 2013 12:52:40 +0530, anish singh wrote:
> On Fri, May 24, 2013 at 12:41 PM, Mylene Josserand
> wrote:
> > I have read that this function "i2c_smbus_write_byte_data" uses
> > "i2c_smbus_xfer" which uses "i2c_lock_adapter".
> > In this function, there is a mutex so
On Fri, May 24, 2013 at 12:41 PM, Mylene Josserand
wrote:
> Hi all,
>
>
> I am learning how i2c is working and I read that, to write in an i2c
> register, I need to use the function "i2c_smbus_write_byte_data".
Only in case your device is smbus compliant.
> I wanted to know how the message are ha
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