On Sun, Jan 26, 2014 at 07:45:36PM +0100, Jean-Francois Moine wrote:
> select SND_SOC_STAC9766 if SND_SOC_AC97_BUS
> select SND_SOC_TAS5086 if I2C
> + select SND_SOC_TDA998X if I2C
> +config SND_SOC_TDA998X
> + tristate
> + depends on OF
> + default y if DRM_I2C_NXP_TDA998X=y
> + default m if DRM_I2C_NXP_TDA998X=m
> +
These two things don't seem to agree with each other, and I expect this
breaks the build for ALL_CODECS.
> +static void tda_get_encoder(struct tda_priv *priv)
> +{
> + struct snd_soc_codec *codec = priv->codec;
> + struct device_node *np;
> + struct i2c_client *i2c_client;
> + static const struct of_device_id tda_dt[] = {
> + { .compatible = "nxp,tda998x" },
> + { },
> + };
> +
> + /* search the tda998x device */
> + np = of_find_matching_node_and_match(NULL, tda_dt, NULL);
> + if (!np || !of_device_is_available(np)) {
> + dev_err(codec->dev, "No tda998x in DT\n");
> + return;
> + }
> + i2c_client = of_find_i2c_device_by_node(np);
> + of_node_put(np);
> + if (!i2c_client) {
> + dev_err(codec->dev, "no tda998x i2c client\n");
> + return;
> + }
> + if (!i2c_get_clientdata(i2c_client)) {
> + dev_err(codec->dev, "tda998x not initialized\n");
> + return;
> + }
> +
> + priv->i2c_client = i2c_client;
> +}
The normal way of doing this would be to make the device a MFD - that
way the frameworks make sure probe ordering and so on are sorted out.
Other than that this looks basically OK, a few small comments below.
> + /* give the audio input type and ports to the HDMI encoder */
> + format = start ? priv->dai_id : 0;
It's not clear to me what the above is doing (I think I know but it
requires thinking about rather than being clear).
> +static const struct snd_soc_dai_driver tda998x_dai[] = {
> + {
> + .name = "i2s-hifi",
Coding style, indents are tabs.
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