ASoC: rt5677: Add a configuration option for LDO2_POW pin
Some boards have this pin statically tied and do not require any configuration,
some other boards allow to enable chip using GPIO.
Add an option that tells which GPIO is used to power the audio codec.
Signed-off-by: Anatol Pomozov <anatol.pomozov@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/codecs/rt5677.h b/sound/soc/codecs/rt5677.h
index 1fe8872..d4eb6d5 100644
--- a/sound/soc/codecs/rt5677.h
+++ b/sound/soc/codecs/rt5677.h
@@ -1554,6 +1554,7 @@
int pll_src;
int pll_in;
int pll_out;
+ int pow_ldo2; /* POW_LDO2 pin */
#ifdef CONFIG_GPIOLIB
struct gpio_chip gpio_chip;
#endif