Dne 08. 09. 20 v 16:41 Pierre-Louis Bossart napsal(a): > > > On 9/8/20 9:35 AM, Mark Brown wrote: >> On Tue, Sep 08, 2020 at 08:39:13AM -0500, Pierre-Louis Bossart wrote: >> >>>>> - __u8 bclk_master; /* SND_SOC_TPLG_BCLK_ value */ >>>>> + __u8 bclk_provider; /* SND_SOC_TPLG_BCLK_ value */ >> >>>> Is it 100% compatible? Note that the uapi/* header is a copy from the >>>> kernel header, and it means that we'll change the same for the kernel, >>>> too. >> >>> It's absolutely 100% compatible by design. >>> I was planning to update the kernel uapi header to align changes, but the >>> volume of code is much lower on the alsa-lib side. Will resubmit with the >>> preferred provider/consumer wording. >> >> It's binary compatible but it'd break the build for any existing code >> using the UAPI headers. > > Sorry, I don't fully get the comment. Aren't the uapi headers copied > into each software tree that relies on them? I think that only alsa-lib's topology library uses this header (and has own header copy), thus the breakage is minimal in this case. Jaroslav -- Jaroslav Kysela <perex@xxxxxxxx> Linux Sound Maintainer; ALSA Project; Red Hat, Inc.
