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FROMGIT: ASoC: sprd: Allow the MCDT driver to build into modules

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Change the config to 'tristate' for MCDT driver to allow it to build into
modules, as well as changing to use IS_ENABLED() to validate if need supply
dummy functions when building the MCDT driver as a module.

bug: 151273001
Signed-off-by: Baolin Wang <baolin.wang7@gmail.com>
Link: https://lore.kernel.org/r/9306f2b99641136653ae4fe6cf9e859b7f698f77.1583387748.git.baolin.wang7@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit fd357ec595d36676c239d8d16706a270a961ac32
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next)
This commit is contained in:
Baolin Wang 2020-03-05 14:00:53 +08:00 committed by Greg Kroah-Hartman
parent 9f18dfb4b5
commit 0e98759911
2 changed files with 2 additions and 2 deletions
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2
sound/soc/sprd/Kconfig
View File

@ -8,7 +8,7 @@ config SND_SOC_SPRD
the Spreadtrum SoCs' Audio interfaces.
config SND_SOC_SPRD_MCDT
bool "Spreadtrum multi-channel data transfer support"
tristate "Spreadtrum multi-channel data transfer support"
depends on SND_SOC_SPRD
help
Say y here to enable multi-channel data transfer support. It

2
sound/soc/sprd/sprd-mcdt.h
View File

@ -48,7 +48,7 @@ struct sprd_mcdt_chan {
struct list_head list;
};
#ifdef CONFIG_SND_SOC_SPRD_MCDT
#if IS_ENABLED(CONFIG_SND_SOC_SPRD_MCDT)
struct sprd_mcdt_chan *sprd_mcdt_request_chan(u8 channel,
enum sprd_mcdt_channel_type type);
void sprd_mcdt_free_chan(struct sprd_mcdt_chan *chan);