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Commit 6ff67cca authored by Mengdong Lin's avatar Mengdong Lin Committed by Mark Brown
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ASoC: topology: ABI - Add voice wake up flag for DAI links 



Add a new flag bit SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP to link flags.
If a link is used for voice wake up, users can set this flag bit and
topology will set the link's 'ignore_suspend' to true.

This ABI update is backward compatible.

Signed-off-by: default avatarMengdong Lin <mengdong.lin@linux.intel.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 9aa3f034

include/uapi/sound/asoc.h

+1 −0
Original line number Diff line number Diff line
@@ -155,6 +155,7 @@ 
#define SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES         (1 << 0)

#define SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS      (1 << 1)

#define SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS    (1 << 2)

#define SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP            (1 << 3)



/*

 * Block Header.

sound/soc/soc-topology.c

+5 −0
Original line number Diff line number Diff line
@@ -1701,6 +1701,11 @@ static void set_link_flags(struct snd_soc_dai_link *link, 
		link->symmetric_samplebits =

			flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS ?

			1 : 0;



	if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP)

		link->ignore_suspend =

		flags & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP ?

		1 : 0;

}



/* create the FE DAI link */