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ASoC: tfa9879: Export OF device ID as module alias

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The I2C core always reports a MODALIAS of the form i2c:<foo> even if the
device was registered via OF, this means that exporting the OF device ID
table device aliases in the module is not needed. But in order to change
how the core reports modaliases to user-space, it's better to export it.

Before this patch:

$ modinfo sound/soc/codecs/snd-soc-tfa9879.ko  | grep alias
alias:          i2c:tfa9879

After this patch:

$ modinfo sound/soc/codecs/snd-soc-tfa9879.ko  | grep alias
alias:          i2c:tfa9879
alias:          of:N*T*Cnxp,tfa9879C*
alias:          of:N*T*Cnxp,tfa9879

Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Javier Martinez Canillas 2017-11-30 18:56:16 +01:00 committed by Mark Brown
parent 4fbd8d194f
commit 56ae83f11d
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1 changed files with 1 additions and 0 deletions
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sound/soc/codecs/tfa9879.c
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@ -316,6 +316,7 @@ static const struct of_device_id tfa9879_of_match[] = {
{ .compatible = "nxp,tfa9879", },
{ }
};
MODULE_DEVICE_TABLE(of, tfa9879_of_match);
static struct i2c_driver tfa9879_i2c_driver = {
.driver = {