[alsa-devel] CS4279 and hw_read_t/hw_write_t

Timur Tabi timur at freescale.com
Mon Jul 21 17:07:45 CEST 2008

Jon Smirl wrote:
> From soc/codecs/cs4270.c...
>  *
>  * Note that we don't use the hw_write function pointer of snd_soc_codec.
>  * That's because it's too clunky: the hw_write_t prototype does not match
>  * i2c_smbus_write_byte_data(), and it's just another layer of overhead.
>  */
> The prototype doesn't match because you are using
> i2c_smbus_write_byte_data() instead of
> i2c_master_send()/i2c_master_recv().

Should I be using i2c_master_send() instead?  I remember reading somewhere that
I should be using the i2c smbus functions if possible.

Timur Tabi
Linux kernel developer at Freescale

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