Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx> writes:
> On Mon, Jul 24, 2017 at 10:49:25PM +0200, Robert Jarzmik wrote:
>> Add support for the new ac97 bus model, where devices are automatically
>> discovered on AC-Links.
>>
>> Signed-off-by: Robert Jarzmik <robert.jarzmik@xxxxxxx>
>> ---
>> + } else {
>> + wm9712->ac97 = snd_soc_new_ac97_codec(codec, WM9712_VENDOR_ID,
>> + WM9712_VENDOR_ID_MASK);
>> + if (IS_ERR(wm9712->ac97)) {
>> + ret = PTR_ERR(wm9712->ac97);
>> + dev_err(codec->dev,
>> + "Failed to register AC97 codec: %d\n", ret);
>> + return ret;
>> + }
>> +
>> + regmap = regmap_init_ac97(wm9712->ac97, &wm9712_regmap_config);
>> + if (IS_ERR(regmap)) {
>> + ret = PTR_ERR(regmap);
>> + goto err_free_ac97_codec;
>
> For the 9713 you had this wrapped in an ifdef? Why did it need an
> ifdef there but doesn't for this driver?
I have forgotten the ifdef, it's a very good catch, thanks.
The trick is that in :
- include/sound/soc.h
- snd_soc_new_ac97_codec() is only defined under this ifdef
And with the new ac97 bus support, these drivers can be compiled now with
CONFIG_SND_SOC_AC97_BUS not defined, so I need to add the ifdef.
Cheers.
--
Robert
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