From: Maxime Ripard <maxime.ripard@free-electrons.com>
To: "Mylène Josserand" <mylene.josserand@free-electrons.com>
Cc: lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz,
tiwai@suse.com, wens@csie.org, mturquette@baylibre.com,
sboyd@codeaurora.org, mark.rutland@arm.com, robh+dt@kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org,
alsa-devel@alsa-project.org, devicetree@vger.kernel.org,
linux-sunxi@googlegroups.com,
thomas.petazzoni@free-electrons.com,
alexandre.belloni@free-electrons.com
Subject: Re: [PATCH v2 06/10] ASoC: sun8i-codec-analog: Add amplifier event to fix first delay
Date: Tue, 17 Jan 2017 17:49:04 +0100 [thread overview]
Message-ID: <20170117164904.c22f7tmtu67l23dd@lukather> (raw)
In-Reply-To: <20170117140230.23142-7-mylene.josserand@free-electrons.com>
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On Tue, Jan 17, 2017 at 03:02:26PM +0100, Mylène Josserand wrote:
> When playing a sound for the first time, a short delay, where the audio
> file is not played, can be noticed.
> On a second play (right after), the sound is played correctly.
> If we wait a short time (~5 sec which corresponds to the aplay
> timeout), the delay is back.
>
> This patch fixes it by using an event on headphone amplifier.
> It allows to keep the amplifier enable while playing a sound.
> A delay of 700ms allows to wait that the amplifier is powered-up
> before playing the sound.
>
> Signed-off-by: Mylène Josserand <mylene.josserand@free-electrons.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Thanks,
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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next prev parent reply other threads:[~2017-01-17 16:49 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-17 14:02 [PATCH v2 00/10] Add sun8i A33 audio driver Mylène Josserand
2017-01-17 14:02 ` [PATCH v2 01/10] ASoC: sun4i-i2s: Increase DMA max burst to 8 Mylène Josserand
2017-01-17 16:41 ` Maxime Ripard
2017-01-17 18:44 ` Applied "ASoC: sun4i-i2s: Increase DMA max burst to 8" to the asoc tree Mark Brown
2017-01-17 14:02 ` [PATCH v2 02/10] clk: ccu-sun8i-a33: Add CLK_SET_RATE_PARENT to ac-dig Mylène Josserand
2017-01-17 16:44 ` Maxime Ripard
2017-01-18 7:58 ` Mylene Josserand
2017-01-17 14:02 ` [PATCH v2 03/10] dt-bindings: sound: Add new reset compatible for sun4i-i2s Mylène Josserand
2017-01-17 16:46 ` Maxime Ripard
2017-01-18 8:23 ` Mylene Josserand
2017-01-17 14:02 ` [PATCH v2 04/10] ASoC: sun4i-i2s: Add quirks to handle new compatible for reset Mylène Josserand
2017-01-17 16:47 ` Maxime Ripard
2017-01-17 14:02 ` [PATCH v2 05/10] ASoC: Add sun8i digital audio codec Mylène Josserand
2017-01-17 16:20 ` Mylene Josserand
2017-01-17 14:02 ` [PATCH v2 06/10] ASoC: sun8i-codec-analog: Add amplifier event to fix first delay Mylène Josserand
2017-01-17 16:49 ` Maxime Ripard [this message]
2017-02-03 12:03 ` Applied "ASoC: sun8i-codec-analog: Add amplifier event to fix first delay" to the asoc tree Mark Brown
2017-01-17 14:02 ` [PATCH v2 07/10] dt-bindings: sound: Add sun8i audio documentation Mylène Josserand
2017-01-17 16:50 ` Mark Brown
2017-01-18 8:25 ` Mylene Josserand
2017-01-17 16:51 ` Maxime Ripard
2017-01-17 14:02 ` [PATCH v2 08/10] ARM: dts: sun8i: Add audio codec, dai and card for A33 Mylène Josserand
2017-01-17 16:58 ` Maxime Ripard
2017-01-17 14:02 ` [PATCH v2 09/10] ARM: dts: sun8i: parrot: Enable audio nodes Mylène Josserand
2017-01-17 14:02 ` [PATCH v2 10/10] ARM: dts: sun8i: sinlinx: " Mylène Josserand
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