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From: Mengdong Lin <mengdong.lin@linux.intel.com>
To: Mark Brown <broonie@kernel.org>
Cc: alsa-devel@alsa-project.org, tiwai@suse.de,
	hardik.t.shah@intel.com, guneshwor.o.singh@intel.com,
	liam.r.girdwood@linux.intel.com, vinod.koul@intel.com,
	rakesh.a.ughreja@intel.com, mengdong.lin@intel.com
Subject: Re: [PATCH v3 1/8] ASoC: topology: ABI - Add flags to PCM
Date: Sat, 8 Oct 2016 15:39:27 +0800	[thread overview]
Message-ID: <57F8A2AF.3080909@linux.intel.com> (raw)
In-Reply-To: <20161006144419.z6ntryxtrxpwsqad@sirena.org.uk>



On 10/06/2016 10:44 PM, Mark Brown wrote:
> On Thu, Sep 29, 2016 at 02:08:51PM +0800, mengdong.lin@linux.intel.com wrote:
>
>> +	__le32 flag_mask;       /* bitmask of flags to configure */
>> +	__le32 flags;           /* SND_SOC_TPLG_LNK_FLGBIT_* flag value */
>>   } __attribute__((packed));
>
> I just followed up on the userspace patches but to repeat what I was
> saying there I think given that users are actively complaining about
> topology ABI files breaking we need to handle any extensions in a
> backwards compatible fashion.
>

Thanks for your comments!

We'll try to solve this backward compatible issue in kernel. And we'll 
support from topology ABI version 4.

Version 4 is now used by alsa-lib. Before version 4, only Intel use it 
internally and later we moved to version 4.

Thanks
Mengdong

  reply	other threads:[~2016-10-08  7:38 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-29  5:55 [PATCH v3 0/8] ASoC: topology: Remaining kernel patches mengdong.lin
2016-09-29  6:08 ` [PATCH v3 1/8] ASoC: topology: ABI - Add flags to PCM mengdong.lin
2016-10-06 14:44   ` Mark Brown
2016-10-08  7:39     ` Mengdong Lin [this message]
2016-09-29  6:09 ` [PATCH v3 2/8] ASoC: topology: ABI - Add private data " mengdong.lin
2016-09-29  6:09 ` [PATCH v3 3/8] ASoC: topology: ABI - Define DAI physical PCM data formats mengdong.lin
2016-09-29  6:09 ` [PATCH v3 4/8] ASoC: topology: ABI - Add HW configurations to BE DAI links mengdong.lin
2016-09-29  6:09 ` [PATCH v3 5/8] ASoC: topology: ABI - Add flags and private data " mengdong.lin
2016-09-29  6:09 ` [PATCH v3 6/8] ASoC: topology: ABI - Add name and stream name " mengdong.lin
2016-09-29  6:09 ` [PATCH v3 7/8] ASoC: Define API to find a dai link mengdong.lin
2016-11-04 17:23   ` Applied "ASoC: Define API to find a dai link" to the asoc tree Mark Brown
2016-09-29  6:10 ` [PATCH v3 8/8] ASoC: topology: Add support to configure existing BE DAI links mengdong.lin

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