[alsa-devel] [PATCHv5 2/2] ASoC: TWL6040: Add twl6040 codec driver

[Mark Brown]

On 16 Mar 2010, at 17:51, "Olaya, Margarita" <magi.olaya at ti.com> wrote:

> On Saturday, March 13, 2010 5:23 AM  Felipe Balbi wrote:
>
>> Hi,
>>
>> On Fri, 12 Mar 2010 19:52:20 -0600, "Olaya, Margarita"
>> <magi.olaya at ti.com> wrote:
>>> +/*
>>> + * twl6040 register cache & default register settings + */
>>> +static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = {
>>> +       0x00, /* not used               0x00    */
>>> +       0x4B, /* TWL6040_ASICID (ro)    0x01    */
> [snip]
>>
>> a little comment about what the default values are would be nice.
>
> Most of the codecs only have the register description, not sure if  
> this
> is an standard in alsa. Some values are kind of hard to describe  
> briefly.

The standard is that these are the power on reset values, used to init  
the register cache and reduce the amount of I/O done to restore on  
resume.

>
>>
>> #ifdef CONFIG_PM
>>
>>> +static int twl6040_suspend(struct platform_device *pdev,
> [snip]
>>
>> #else
>> #define twl6040_suspend    NULL
>> #define twl6040_resume     NULL
>> #endif
>
> I'll add this.
>
> Regards,
> Margarita
>