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h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Agh+JJqcsZnxeps31IPNo5x9l3ZuVITVcK1+s83QWGnCWIDLbtqaXncVJ1+p3s32W rW30QR3a4wZMulYdvnANkr68XkjV7plA8XqYjCkoR8P14s/wPJJF3k8fWo+EQkNpkr gCHco7dpl0FZ5vJBWZI26kjPk4RY7EMjogeFSrq8= Date: Thu, 18 Jun 2020 16:01:43 +0100 From: Mark Brown To: Stephan Gerhold Subject: Re: [PATCH 1/4] ASoC: soc-pcm: dpcm: fix playback/capture checks Message-ID: <20200618150143.GJ5789@sirena.org.uk> References: <20200616090210.GA111206@gerhold.net> <254a667e-fa49-240a-6386-7e82df8e5c35@linux.intel.com> <20200616145251.GO4447@sirena.org.uk> <20200616155544.GA8891@gerhold.net> <7cbc9233-e5f2-03e0-5659-cf22dea75e53@linux.intel.com> <45d43cc9-be22-a7d2-1628-3fb30232bd7c@linux.intel.com> <20200617090112.GA38317@gerhold.net> <62ccb59f-9d08-c241-952b-bb7af8311618@linux.intel.com> <20200617174635.GA40060@gerhold.net> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="3CAnR4CLEnEWqRMR" Content-Disposition: inline In-Reply-To: <20200617174635.GA40060@gerhold.net> X-Cookie: Androphobia: User-Agent: Mutt/1.10.1 (2018-07-13) Cc: Guennadi Liakhovetski , alsa-devel@alsa-project.org, tiwai@suse.de, Daniel Baluta , Pierre-Louis Bossart , Srinivas Kandagatla , Ranjani Sridharan , Bard Liao X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" --3CAnR4CLEnEWqRMR Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Jun 17, 2020 at 07:46:35PM +0200, Stephan Gerhold wrote: > At the end the question is if those machine drivers that have > dpcm_playback/capture hardcoded just set it because it was required to > make DPCM work, or if they actually use it to restrict the direction of > a DAI link. The other question would be if they are restricting it to limit the direction of a DAI link beyond the limits that the hardware has why are they doing that? I'm not sure that'd be a sensible thing to do. --3CAnR4CLEnEWqRMR Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl7rgdYACgkQJNaLcl1U h9DoIwf/VbeCTcms9I+QZfQtPfP7YjQ7MKV7htjuAUqcTMHjVG/R7jnUL8sbDCzj i5luQU27hsygTwqbkciQDKXfl0qLXIysRkLxQwPJcnzzmGwzLeuHEKlmDyjlaYTV yLO6uR3JAVE9lKQfNB7De8PQZ4NHH00T1ykNlRL9MqExutvF/OmI6eoeo4wbK00d kmAy1YDTpQdxmj1JMq8mwW04RvH+qW/R3qKnVEfZGd4C3LLqamJ99f4d0TOZBl0t dmx3GB2YJPvwJV4B69hGjNpCMCcOjZq5AjHCaZtV2dZo2W1LuNy1pVYLO9Bpx7zR 4S0vo/9u3mS8NSZEa6b10hsc4aJkgQ== =Jwu2 -----END PGP SIGNATURE----- --3CAnR4CLEnEWqRMR--