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Message-ID: <5554ED71.4040608@metafoo.de>
Date: Thu, 14 May 2015 20:46:09 +0200
From: Lars-Peter Clausen <lars@...afoo.de>
To: Mark Brown <broonie@...nel.org>,
"Maciej S. Szmigiero" <mail@...iej.szmigiero.name>
CC: alsa-devel@...a-project.org, Liam Girdwood <lgirdwood@...il.com>,
Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
Brian Austin <brian.austin@...rus.com>,
Bard Liao <bardliao@...ltek.com>,
Oder Chiou <oder_chiou@...ltek.com>,
Wolfram Sang <wsa@...-dreams.de>, linux-kernel@...r.kernel.org,
Fabio Estevam <festevam@...il.com>
Subject: Re: [PATCH] ASoC: codecs-ac97: make selectable in config
On 05/14/2015 07:53 PM, Mark Brown wrote:
> On Wed, May 13, 2015 at 10:57:24PM +0200, Maciej S. Szmigiero wrote:
>> W dniu 12.05.2015 19:58, Mark Brown pisze:
>>> On Sun, May 10, 2015 at 12:12:04AM +0200, Maciej S. Szmigiero wrote:
>
>>>> @@ -16,7 +16,7 @@ config SND_SOC_ALL_CODECS
>>>> select SND_SOC_88PM860X if MFD_88PM860X
>>>> select SND_SOC_L3
>>>> select SND_SOC_AB8500_CODEC if ABX500_CORE
>>>> - select SND_SOC_AC97_CODEC if SND_SOC_AC97_BUS
>>>> + select SND_SOC_AC97_CODEC
>>>> select SND_SOC_AD1836 if SPI_MASTER
>>>> select SND_SOC_AD193X_SPI if SPI_MASTER
>>>> select SND_SOC_AD193X_I2C if I2C
>
>>> No, you're missing the point of what _ALL_CODECS does - it builds
>>> everything possible. This will break the build for systems without
>>> AC'97 support.
>
>> How?
>> In the second hunk of the patch I've made SND_SOC_AC97_CODEC select
>> SND_SOC_AC97_BUS.
>
> select doesn't respect dependencies, it'll just force on the selected
> symbol.
The patch works fine, neither SND_SOC_AC97_BUS nor the symbols selected by
SND_SOC_AC97_BUS have any dependencies.
Although one might argue that only AC97 host driver should select
SND_SOC_AC97_BUS and the CODEC drivers should depend on it.
- Lars
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