[PATCH v2 -next] ASoc: tas2770: Fix build error without GPIOLIB

[YueHaibing <yuehaibing@xxxxxxxxxx>]

If GPIOLIB is not set, building fails:

sound/soc/codecs/tas2770.c: In function tas2770_reset:
sound/soc/codecs/tas2770.c:38:3: error: implicit declaration of function gpiod_set_value_cansleep; did you mean gpio_set_value_cansleep? [-Werror=implicit-function-declaration]
   gpiod_set_value_cansleep(tas2770->reset_gpio, 0);
   ^~~~~~~~~~~~~~~~~~~~~~~~
   gpio_set_value_cansleep
sound/soc/codecs/tas2770.c: In function tas2770_i2c_probe:
sound/soc/codecs/tas2770.c:749:24: error: implicit declaration of function devm_gpiod_get_optional; did you mean devm_regulator_get_optional? [-Werror=implicit-function-declaration]
  tas2770->reset_gpio = devm_gpiod_get_optional(tas2770->dev,
                        ^~~~~~~~~~~~~~~~~~~~~~~
                        devm_regulator_get_optional
sound/soc/codecs/tas2770.c:751:13: error: GPIOD_OUT_HIGH undeclared (first use in this function); did you mean GPIOF_INIT_HIGH?
             GPIOD_OUT_HIGH);
             ^~~~~~~~~~~~~~
             GPIOF_INIT_HIGH

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Fixes: 1a476abc723e ("tas2770: add tas2770 smart PA kernel driver")
Suggested-by: Ladislav Michl <ladis@xxxxxxxxxxxxxx>
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
v2: Add missing include file
---
 sound/soc/codecs/tas2770.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/codecs/tas2770.c b/sound/soc/codecs/tas2770.c
index 9da88cc..a36d0d7 100644
--- a/sound/soc/codecs/tas2770.c
+++ b/sound/soc/codecs/tas2770.c
@@ -15,6 +15,7 @@
 #include <linux/pm.h>
 #include <linux/i2c.h>
 #include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/pm_runtime.h>
 #include <linux/regulator/consumer.h>
 #include <linux/firmware.h>
-- 
2.7.4


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