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| author | Robert Jarzmik <robert.jarzmik@free.fr> | 2015-11-11 13:12:51 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-11-18 19:08:54 +0100 |
| commit | 9bf5c3d11f1fbaf43399d189f05fb20ceb46ee5d (patch) | |
| tree | ff770ab3d145eaecf4a877a481388a6d55f9e478 /include/sound | |
| parent | Linux 4.4-rc1 (diff) | |
| download | linux-9bf5c3d11f1fbaf43399d189f05fb20ceb46ee5d.tar.xz linux-9bf5c3d11f1fbaf43399d189f05fb20ceb46ee5d.zip | |
ASoC: ac97: add gpio chip
The AC97 specification provides a guide for 16 GPIOs in the codecs. If
the gpiolib is compiled in the kernel, declare a gpio chip.
This was tested with a pxa27x board (mioa701) and a wm9713 codec.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/sound')
| -rw-r--r-- | include/sound/ac97_codec.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/sound/ac97_codec.h b/include/sound/ac97_codec.h index 74bc85473b58..15aa5f07c955 100644 --- a/include/sound/ac97_codec.h +++ b/include/sound/ac97_codec.h @@ -417,11 +417,13 @@ #define AC97_RATES_MIC_ADC 4 #define AC97_RATES_SPDIF 5 +#define AC97_NUM_GPIOS 16 /* * */ struct snd_ac97; +struct snd_ac97_gpio_priv; struct snd_pcm_chmap; struct snd_ac97_build_ops { @@ -529,6 +531,7 @@ struct snd_ac97 { struct delayed_work power_work; #endif struct device dev; + struct snd_ac97_gpio_priv *gpio_priv; struct snd_pcm_chmap *chmaps[2]; /* channel-maps (optional) */ }; |