linux-kernel - Re: [alsa-devel] [PATCH 01/10] ASoC: core: Add snd_soc_dai_set_tdm_slot

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Sat, 01 Mar 2014 14:19:44 +0100
From:	Lars-Peter Clausen <lars@...afoo.de>
To:	Xiubo Li <Li.Xiubo@...escale.com>
CC:	broonie@...nel.org, lgirdwood@...il.com,
	fabio.estevam@...escale.com, moinejf@...e.fr,
	alsa-devel@...a-project.org, kuninori.morimoto.gx@...esas.com,
	tiwai@...e.de, s.hauer@...gutronix.de, timur@...i.org,
	linux-kernel@...r.kernel.org, denis@...rea.com,
	Guangyu.Chen@...escale.com, mpa@...gutronix.de,
	shawn.guo@...aro.org
Subject: Re: [alsa-devel] [PATCH 01/10] ASoC: core: Add snd_soc_dai_set_tdm_slot_xlate().

On 02/26/2014 04:59 AM, Xiubo Li wrote:
> For most cases the rx_mask and tx_mask params have no use for
> snd_soc_dai_set_tdm_slot(), because they could be generated by
> {XXX_ .}of_xlate_tdm_slot_mask().
>
> This patch add snd_soc_dai_set_tdm_slot_xlate() which will replace
> the snd_soc_dai_set_tdm_slot() in some use cases to simplify the
> code. And for some CODECs or CPU DAI devices there needed much more
> work to support the .of_xlate_tdm_slot_mask feature.
>
> This patch can be applied to most use case of the current DAI drivers.

Hi,

I'm not quite sure I fully understand what this patch is trying to solve. It 
adds a variant snd_soc_dai_set_tdm_slot() that instead of taking a rx and tx 
mask calculates the masks based on the number of slots? In that case I don't 
really see how the xlate in the name relates to that. xlate is something 
you'd typically expect in a devicetree context. Maybe one should be called 
snd_soc_dai_set_tdm_slot() and the other snd_soc_dai_set_tdm_slot_and_masks()?

But another question is do we really need this? I don't see the problem that 
is solved by this patchset.

- Lars
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/