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>
diff --git a/include/sound/ac97_codec.h b/include/sound/ac97_codec.h
index 74bc8547..15aa5f0 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 delayed_work power_work;
#endif
struct device dev;
+ struct snd_ac97_gpio_priv *gpio_priv;
struct snd_pcm_chmap *chmaps[2]; /* channel-maps (optional) */
};