[alsa-devel] [PATCH 3/3] ASoC: Fix return value of wm8962_gpio_direction_out()

Axel Lin axel.lin at gmail.com
Fri Dec 30 16:38:03 CET 2011


We can't just pass back the return value of snd_soc_update_bits() as it
will be 1 if a bit changed rather than zero.

Signed-off-by: Axel Lin <axel.lin at gmail.com>
---
 sound/soc/codecs/wm8962.c |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index be35b64..80e8b9f 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -3878,13 +3878,17 @@ static int wm8962_gpio_direction_out(struct gpio_chip *chip,
 {
 	struct wm8962_priv *wm8962 = gpio_to_wm8962(chip);
 	struct snd_soc_codec *codec = wm8962->codec;
-	int val;
+	int ret, val;
 
 	/* Force function 1 (logic output) */
 	val = (1 << WM8962_GP2_FN_SHIFT) | (value << WM8962_GP2_LVL_SHIFT);
 
-	return snd_soc_update_bits(codec, WM8962_GPIO_BASE + offset,
-				   WM8962_GP2_FN_MASK | WM8962_GP2_LVL, val);
+	ret = snd_soc_update_bits(codec, WM8962_GPIO_BASE + offset,
+				  WM8962_GP2_FN_MASK | WM8962_GP2_LVL, val);
+	if (ret < 0)
+		return ret;
+
+	return 0;
 }
 
 static struct gpio_chip wm8962_template_chip = {
-- 
1.7.5.4





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