Re: [PATCH] ASoC: wm8731: Fix a unused function gcc warning

From: zhong jiang
Date: Sat Sep 29 2018 - 22:33:54 EST


On 2018/9/30 10:17, Joe Perches wrote:
> On Sun, 2018-09-30 at 09:45 +0800, zhong jiang wrote:
>> Fix the following compile warning:
>>
>> sound/soc/codecs/wm8731.c:575:12: warning: 'wm8731_request_supplies' defined but not used [-Wunused-function]
>> sound/soc/codecs/wm8731.c:600:12: warning: 'wm8731_hw_init' defined but not used [-Wunused-function]
> []
>> diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c
> []
>> @@ -36,12 +36,15 @@
>> #include "wm8731.h"
>>
>> #define WM8731_NUM_SUPPLIES 4
>> +
>> +#if defined(CONFIG_I2C) || defined(CONFIG_SPI_MASTER)
>> static const char *wm8731_supply_names[WM8731_NUM_SUPPLIES] = {
>> "AVDD",
>> "HPVDD",
>> "DCVDD",
>> "DBVDD",
>> };
>> +#endif
>>
>> /* codec private data */
>> struct wm8731_priv {
>> @@ -572,6 +575,7 @@ static int wm8731_startup(struct snd_pcm_substream *substream,
>> .symmetric_rates = 1,
>> };
>>
>> +#if defined(CONFIG_I2C) || defined(CONFIG_SPI_MASTER)
>> static int wm8731_request_supplies(struct device *dev,
>> struct wm8731_priv *wm8731)
>> {
>> @@ -627,6 +631,7 @@ static int wm8731_hw_init(struct device *dev, struct wm8731_priv *wm8731)
>>
>> return ret;
>> }
>> +#endif
> It would be better to move the declaration of
> wm8731_supply_ fnames into the second #if block so
> there would only be a single #if block.
>
Yep, Thanks, Will repost in v2.

Sincerely,
zhong jiang