linux-kernel - Re: [PATCH] ASoC: wm89xx: Fix build error without CONFIG

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Date:   Mon, 20 Apr 2020 20:52:40 +0800
From:   Yuehaibing <yuehaibing@...wei.com>
To:     Charles Keepax <ckeepax@...nsource.cirrus.com>
CC:     <lgirdwood@...il.com>, <broonie@...nel.org>, <perex@...ex.cz>,
        <tiwai@...e.com>, <geert@...ux-m68k.org>,
        <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ASoC: wm89xx: Fix build error without CONFIG_I2C

On 2020/4/20 18:27, Charles Keepax wrote:
> On Sat, Apr 18, 2020 at 05:08:53PM +0800, YueHaibing wrote:
>> sound/soc/codecs/wm8900.o: In function `wm8900_i2c_probe':
>> wm8900.c:(.text+0xa36): undefined reference to `__devm_regmap_init_i2c'
>> sound/soc/codecs/wm8900.o: In function `wm8900_modinit':
>> wm8900.c:(.init.text+0xb): undefined reference to `i2c_register_driver'
>> sound/soc/codecs/wm8900.o: In function `wm8900_exit':
>> wm8900.c:(.exit.text+0x8): undefined reference to `i2c_del_driver'
>> sound/soc/codecs/wm8988.o: In function `wm8988_i2c_probe':
>> wm8988.c:(.text+0x857): undefined reference to `__devm_regmap_init_i2c'
>> sound/soc/codecs/wm8988.o: In function `wm8988_modinit':
>> wm8988.c:(.init.text+0xb): undefined reference to `i2c_register_driver'
>> sound/soc/codecs/wm8988.o: In function `wm8988_exit':
>> wm8988.c:(.exit.text+0x8): undefined reference to `i2c_del_driver'
>> sound/soc/codecs/wm8995.o: In function `wm8995_i2c_probe':
>> wm8995.c:(.text+0x1c4f): undefined reference to `__devm_regmap_init_i2c'
>> sound/soc/codecs/wm8995.o: In function `wm8995_modinit':
>> wm8995.c:(.init.text+0xb): undefined reference to `i2c_register_driver'
>> sound/soc/codecs/wm8995.o: In function `wm8995_exit':
>> wm8995.c:(.exit.text+0x8): undefined reference to `i2c_del_driver'
>>
>> Add missing I2C dependency to fix this.
>>
> 
> This doesn't look like the right fix there, all these parts can
> be used on SPI so should be usable without I2C build in.

Sorry, the patch title is wrong, the issue is CONFIG_I2C m but SND_SOC_WM8900 is y.

This should depends on SND_SOC_I2C_AND_SPI like others.

> 
> Thanks,
> Charles
> 
> .
>