From: Vasily Khoruzhick <anarsoul@gmail.com> To: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: Linux-ALSA <alsa-devel@alsa-project.org>, "Liam Girdwood" <lgirdwood@gmail.com>, "Marcus Cooper" <codekipper@gmail.com>, "Chen-Yu Tsai" <wens@csie.org>, "Mark Brown" <broonie@kernel.org>, "Mylène Josserand" <mylene.josserand@free-electrons.com>, arm-linux <linux-arm-kernel@lists.infradead.org> Subject: Re: [PATCH 4/9] ASoC: sun8i-codec: Add support for A64 SoC Date: Tue, 5 Dec 2017 15:17:39 -0800 [thread overview] Message-ID: <CA+E=qVdZME2fiMw09NUP4DNCYhk58dqSapCdfBjLrdMq5HFwyg@mail.gmail.com> (raw) In-Reply-To: <20171205080444.zo2rlusqpjyraqcw@flea.lan> On Tue, Dec 5, 2017 at 12:04 AM, Maxime Ripard <maxime.ripard@free-electrons.com> wrote: > On Sun, Dec 03, 2017 at 12:41:52PM -0800, Vasily Khoruzhick wrote: >> Digital part of audio codec block in the A64 is very similar to what >> is used by the A33(sun8i) devices. However, it uses different LRCK >> divider. >> >> Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com> > > What makes it impossible to derive from the sample rate and number of > channels? It's BCLK / LRCK ratio as per A64 user manual, so it doesn't depend on sample rate. BSP driver always uses a fixed value of 64 here. > Have you tried other sampling rates? I tried speaker-test with a number of sampling rates and had no issues. I couldn't try it in mono, since sun4i-i2s supports minimum of 2 channels. > > Maxime > > -- > Maxime Ripard, Free Electrons > Embedded Linux and Kernel engineering > http://free-electrons.com
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From: anarsoul@gmail.com (Vasily Khoruzhick) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 4/9] ASoC: sun8i-codec: Add support for A64 SoC Date: Tue, 5 Dec 2017 15:17:39 -0800 [thread overview] Message-ID: <CA+E=qVdZME2fiMw09NUP4DNCYhk58dqSapCdfBjLrdMq5HFwyg@mail.gmail.com> (raw) In-Reply-To: <20171205080444.zo2rlusqpjyraqcw@flea.lan> On Tue, Dec 5, 2017 at 12:04 AM, Maxime Ripard <maxime.ripard@free-electrons.com> wrote: > On Sun, Dec 03, 2017 at 12:41:52PM -0800, Vasily Khoruzhick wrote: >> Digital part of audio codec block in the A64 is very similar to what >> is used by the A33(sun8i) devices. However, it uses different LRCK >> divider. >> >> Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com> > > What makes it impossible to derive from the sample rate and number of > channels? It's BCLK / LRCK ratio as per A64 user manual, so it doesn't depend on sample rate. BSP driver always uses a fixed value of 64 here. > Have you tried other sampling rates? I tried speaker-test with a number of sampling rates and had no issues. I couldn't try it in mono, since sun4i-i2s supports minimum of 2 channels. > > Maxime > > -- > Maxime Ripard, Free Electrons > Embedded Linux and Kernel engineering > http://free-electrons.com
next prev parent reply other threads:[~2017-12-05 23:17 UTC|newest] Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-12-03 20:41 [PATCH 0/9] Add audiocodec support for A64 SoC Vasily Khoruzhick 2017-12-03 20:41 ` Vasily Khoruzhick 2017-12-03 20:41 ` [PATCH 1/9] ASoC: sun4i-i2s: Add quirk to handle fixed WSS Vasily Khoruzhick 2017-12-03 20:41 ` Vasily Khoruzhick 2017-12-04 0:43 ` Chen-Yu Tsai 2017-12-04 0:43 ` Chen-Yu Tsai 2017-12-03 20:41 ` [PATCH 2/9] ASoC: sun4i-i2s: Add compatibility with A64 codec I2S Vasily Khoruzhick 2017-12-03 20:41 ` Vasily Khoruzhick 2017-12-04 6:42 ` Code Kipper 2017-12-04 6:42 ` Code Kipper 2017-12-04 7:34 ` Vasily Khoruzhick 2017-12-04 7:34 ` Vasily Khoruzhick 2017-12-05 8:01 ` Maxime Ripard 2017-12-05 8:01 ` Maxime Ripard 2017-12-05 23:04 ` Vasily Khoruzhick 2017-12-05 23:04 ` Vasily Khoruzhick 2017-12-06 15:27 ` Maxime Ripard 2017-12-06 15:27 ` Maxime Ripard 2017-12-07 9:21 ` Code Kipper 2017-12-07 9:21 ` Code Kipper 2017-12-07 9:30 ` Chen-Yu Tsai 2017-12-07 9:30 ` Chen-Yu Tsai 2017-12-07 22:48 ` Vasily Khoruzhick 2017-12-07 22:48 ` Vasily Khoruzhick 2017-12-08 6:40 ` Code Kipper 2017-12-08 6:40 ` Code Kipper 2017-12-08 22:16 ` Vasily Khoruzhick 2017-12-08 22:16 ` Vasily Khoruzhick 2017-12-03 20:41 ` [PATCH 3/9] ASoC: sun8i-codec: Add quirk to specify aif1_lrck_div value Vasily Khoruzhick 2017-12-03 20:41 ` Vasily Khoruzhick 2017-12-04 7:23 ` Code Kipper 2017-12-04 7:23 ` Code Kipper 2017-12-04 7:38 ` Chen-Yu Tsai 2017-12-04 7:38 ` Chen-Yu Tsai 2017-12-04 8:26 ` Chen-Yu Tsai 2017-12-04 8:26 ` Chen-Yu Tsai 2017-12-03 20:41 ` [PATCH 4/9] ASoC: sun8i-codec: Add support for A64 SoC Vasily Khoruzhick 2017-12-03 20:41 ` Vasily Khoruzhick 2017-12-05 8:04 ` Maxime Ripard 2017-12-05 8:04 ` Maxime Ripard 2017-12-05 23:17 ` Vasily Khoruzhick [this message] 2017-12-05 23:17 ` Vasily Khoruzhick 2017-12-06 15:32 ` Maxime Ripard 2017-12-06 15:32 ` Maxime Ripard 2017-12-06 15:48 ` Mark Brown 2017-12-06 15:48 ` Mark Brown 2017-12-06 18:53 ` Maxime Ripard 2017-12-06 18:53 ` Maxime Ripard 2017-12-06 19:13 ` Mark Brown 2017-12-06 19:13 ` Mark Brown 2017-12-03 20:41 ` [PATCH 5/9] ASoC: sun8i-codec-analog: Use callbacks to add headphones and lineout outputs Vasily Khoruzhick 2017-12-03 20:41 ` Vasily Khoruzhick 2017-12-03 20:41 ` [PATCH 6/9] ASoC: sun8i-codec-analog: Add component driver field to quirks structure Vasily Khoruzhick 2017-12-03 20:41 ` Vasily Khoruzhick 2017-12-03 20:41 ` [PATCH 7/9] ASoC: sun8i-codec-analog: Add support for A64 SoC Vasily Khoruzhick 2017-12-03 20:41 ` Vasily Khoruzhick 2017-12-03 20:41 ` [PATCH 8/9] arm64: dts: allwinner: a64: Add nodes necessary for analog sound support Vasily Khoruzhick 2017-12-03 20:41 ` Vasily Khoruzhick 2017-12-03 20:41 ` [PATCH 9/9] arm64: dts: allwinner: a64: Enable sound on Pine64 and SoPine Vasily Khoruzhick 2017-12-03 20:41 ` Vasily Khoruzhick 2017-12-05 3:24 ` Chen-Yu Tsai 2017-12-05 3:24 ` Chen-Yu Tsai 2017-12-09 19:54 ` Vasily Khoruzhick 2017-12-09 19:54 ` Vasily Khoruzhick
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