ASoC: tlv320aic32x4: Use gpio_is_valid

Use function gpio_is_valid to check for gpio ports.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/sound/soc/codecs/tlv320aic32x4.c b/sound/soc/codecs/tlv320aic32x4.c
index 688151b..36a9cb9 100644 (file)
--- a/sound/soc/codecs/tlv320aic32x4.c
+++ b/sound/soc/codecs/tlv320aic32x4.c
@@ -588,7 +588,7 @@ static int aic32x4_probe(struct snd_soc_codec *codec)
 
        snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP);
 
-       if (aic32x4->rstn_gpio >= 0) {
+       if (gpio_is_valid(aic32x4->rstn_gpio)) {
                ndelay(10);
                gpio_set_value(aic32x4->rstn_gpio, 1);
        }
@@ -693,7 +693,7 @@ static int aic32x4_i2c_probe(struct i2c_client *i2c,
                aic32x4->rstn_gpio = -1;
        }
 
-       if (aic32x4->rstn_gpio >= 0) {
+       if (gpio_is_valid(aic32x4->rstn_gpio)) {
                ret = devm_gpio_request_one(&i2c->dev, aic32x4->rstn_gpio,
                                GPIOF_OUT_INIT_LOW, "tlv320aic32x4 rstn");
                if (ret != 0)