[alsa-devel] [PATCH] ASoC: Add pcm9211 driver

James Cameron quozl at laptop.org
Tue May 23 23:16:24 CEST 2017


On Tue, May 23, 2017 at 11:09:31AM +0200, Julian Scheel wrote:
> This adds a driver for the TI PCM9211 digital audio interfaces
> transceiver. The driver currently only handles the receiver aspect of
> the chip and supports only control of the primary I2S (MAIN) output
> port. Support for AUX output is trivial to add, but wasn't done due to
> missing hardware for testing. The same goes for the transmitter
> functionality.
> The driver uses some extra device-tree fields to allow configuration of
> pin functions directly out of this driver.
> 
> Signed-off-by: Julian Scheel <julian at jusst.de>
> ---
>  .../devicetree/bindings/sound/pcm9211.txt          |  118 ++
>  MAINTAINERS                                        |    6 +
>  include/dt-bindings/sound/pcm9211.h                |   55 +
>  sound/soc/codecs/Kconfig                           |   10 +
>  sound/soc/codecs/Makefile                          |    4 +
>  sound/soc/codecs/pcm9211-i2c.c                     |   65 +
>  sound/soc/codecs/pcm9211.c                         | 1357 ++++++++++++++++++++
>  sound/soc/codecs/pcm9211.h                         |  206 +++
>  8 files changed, 1821 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/pcm9211.txt
>  create mode 100644 include/dt-bindings/sound/pcm9211.h
>  create mode 100644 sound/soc/codecs/pcm9211-i2c.c
>  create mode 100644 sound/soc/codecs/pcm9211.c
>  create mode 100644 sound/soc/codecs/pcm9211.h
>
> [...]
> diff --git a/sound/soc/codecs/pcm9211.c b/sound/soc/codecs/pcm9211.c
> new file mode 100644
> index 000000000000..0ab4ad551df8
> --- /dev/null
> +++ b/sound/soc/codecs/pcm9211.c
> @@ -0,0 +1,1357 @@
> [...]
> +int pcm9211_probe(struct device *dev, struct regmap *regmap)
> +{
> [...]
> +	priv->int0 = devm_gpiod_get_optional(dev, "int0", GPIOD_IN);
> +	if (IS_ERR(priv->reset)) {
> +		ret = PTR_ERR(priv->reset);
> +		dev_err(dev, "Failed to get reset gpio: %d\n", ret);
> +		return ret;
> +	}

In above block; reset should be int0, three lines affected.

-- 
James Cameron
http://quozl.netrek.org/


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