BTW, Please cc: the the alsa-devel@xxxxxxxxxxxxxxxx mailing list when asking questions. I don't know everything and others can chime in that way. On Mon, May 18, 2009 at 12:44 PM, Joey Oravec <joravec@xxxxxxxxxxxx> wrote: > Grant - > > I'm trying to create an ASoC driver for my at91 platform with a tlv320aic26, > and I have a question about your driver. I'm looking at mainline 2.6.29. > > Inside aic26_probe() it's looking for struct aic26 to from > socdev->codec_data. I see how aic26_spi_probe() kzalloc's the structure, > sets some values in aic26->codec, but I have no idea when you expected > codec_data would get set. Could you briefly explain which function is > responsible to set that pointer and when it should happen? Since the aic26 is an SPI device, it is first probed (as you found) in the aic26_spi_probe() function. On my platform, the connection between the codec and the bus driver is described in an OF Flattened Device Tree and it uses the snd-of-simple driver to match the codec and platform drivers. So, the codec_data value is pass via the of_snd_soc_register_codec() function. I don't know the best way for your fabric driver to find the aic26 spi device. It probably should use bus_find_device() and dev_get_drvdata() to resolve to the value that codec_data should be set to. g. -- Grant Likely, B.Sc., P.Eng. Secret Lab Technologies Ltd. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
