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From: Jean-Michel Hautbois <jean-michel.hautbois@veo-labs.com>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: Fabio Estevam <fabio.estevam@freescale.com>,
	"alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	ML dri-devel <dri-devel@lists.freedesktop.org>,
	linux-rockchip@lists.infradead.org,
	Andy Yan <andy.yan@rock-chips.com>,
	linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
Subject: Re: [alsa-devel] [PATCH 0/9] dw-hdmi audio support
Date: Thu, 7 Jan 2016 09:21:43 +0100	[thread overview]
Message-ID: <CAH-u=80F1AUQbG9-ivcspo4vmYcqYC0PnC8uTg2RWhgP1nTazA@mail.gmail.com> (raw)
In-Reply-To: <20160105160421.GX19062@n2100.arm.linux.org.uk>

Hi Russell,

2016-01-05 17:04 GMT+01:00 Russell King - ARM Linux <linux@arm.linux.org.uk>:
> On Tue, Jan 05, 2016 at 04:40:54PM +0100, Jean-Michel Hautbois wrote:
>> Hi Russell,
>>
>> 2015-08-27 10:42 GMT+02:00 Philipp Zabel <p.zabel@pengutronix.de>:
>> >
>> > Am Samstag, den 08.08.2015, 17:09 +0100 schrieb Russell King - ARM
>> > Linux:
>> > > Following on from the previous sub-series, this sub-series adds audio
>> > > support to dw-hdmi.
>> > >
>> > > The two different variants are now in this patch: AHB audio support
>> > > found on iMX6 platforms, and I2S support found on Rockchip patches.
>> > > Thanks to Yakir Yang for contributing the I2S support.
>> > >
>> > > I suspect that there is still some discussion to be had on this
>> > > series, though I would like to see it moving forward so that we can
>> > > get something merged.
>> >
>> > Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
>> > on i.MX6 GK802 via HDMI connected to a TV (stereo only).
>> >
>> > except for the i2s patch, which is broken in this series.
>> >
>> > regards
>> > Philipp
>>
>>
>> What is the status of this series ?
>> I would like to use audio output in HDMI on my i.MX6 board, but I
>> don't know if you have some pending WIP on this ?
>
> The I2S part has been dropped.  The DesignWare HDMI block is configurable
> when it is synthesized - it can contain either the AHB audio interface or
> an I2S interface.  Freescale chose to synthesize it with the AHB audio
> interface, and this is what my patches are geared up to provide.
>
> On Rockchip devices, they chose to synthesize it with the I2S audio
> block, and so they need a different driver for it.  Yakir Yang has been
> working on that, but I've not seen anything recently.  After merging
> his I2S patch, I found some problems and decided with Yakir that the
> best thing to do was to drop it.
>
> So, the result is we support HDMI audio on iMX6.
>
> The changes were merged into mainline during the 4.4 merge window, so
> Linux 4.4 will support iMX6 HDMI audio.
>

Thank you for this detailed answer. I will rebase onto 4.4 then :).

JM
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  reply	other threads:[~2016-01-07  8:21 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-08 16:02 [PATCH 00/12] dw-hdmi development Russell King - ARM Linux
2015-08-08 16:09 ` [PATCH 0/9] dw-hdmi audio support Russell King - ARM Linux
2015-08-08 16:10   ` [PATCH 1/9] drm: bridge/dw_hdmi-ahb-audio: add audio driver Russell King
2015-08-10 10:05     ` Takashi Iwai
2015-08-10 10:39       ` Russell King - ARM Linux
2015-08-10 12:23         ` Takashi Iwai
2015-08-10 16:49           ` Russell King - ARM Linux
2015-08-10 18:16             ` Mark Brown
2015-08-14 13:54       ` [PATCH v2 1/9] drm: bridge/dw_hdmi-ahb-audio: add audio driver David Airlie <airlied@linux.ie>, Sascha Hauer <s.hauer@pengutronix.de>, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Jaroslav Kysela <perex@perex.cz>, linux-rockchip@lists.infradead.org, Mark Brown <broonie@kernel.org>, Philipp Zabel <p.zabel@pengutronix.de>, Yakir Yang <ykk@rock-chips.com>, Andy Yan <andy.yan@rock-chips.com>, Jon Nettleton <jon.nettleton@gmail.com>, linux-arm-kernel@lists.infradead.org Russell King
2015-08-14 14:04       ` [PATCH v2 1/9] drm: bridge/dw_hdmi-ahb-audio: add audio driver Russell King
2015-08-14 14:34         ` [alsa-devel] " Takashi Iwai
2015-10-06 18:07     ` [PATCH " Fabio Estevam
2015-10-06 18:18       ` Russell King - ARM Linux
2015-10-06 18:45         ` Fabio Estevam
2015-10-06 18:54           ` Russell King - ARM Linux
2015-10-06 20:25             ` Fabio Estevam
2015-10-09 16:00               ` Russell King - ARM Linux
2015-10-09 16:02                 ` Fabio Estevam
2015-10-09 16:11                   ` Russell King - ARM Linux
2015-08-08 16:10   ` [PATCH 2/9] drm: bridge/dw_hdmi-ahb-audio: parse ELD from HDMI driver Russell King
2015-08-08 16:10   ` [PATCH 3/9] drm: bridge/dw_hdmi-ahb-audio: basic support for multi-channel PCM audio Russell King
2015-08-08 16:10   ` [PATCH 4/9] drm: bridge/dw_hdmi-ahb-audio: allow larger buffer sizes Russell King
2015-08-08 16:10   ` [PATCH 5/9] drm: bridge/dw_hdmi: avoid being recursive in N calculation Russell King
2015-09-04 17:50     ` Doug Anderson
2015-08-08 16:10   ` [PATCH 6/9] drm: bridge/dw_hdmi: adjust pixel clock values " Russell King
2015-09-04 18:21     ` Doug Anderson
2015-09-04 19:48       ` Doug Anderson
2015-09-04 21:24         ` Russell King - ARM Linux
2015-09-04 23:50           ` Doug Anderson
2015-09-05  0:27             ` Russell King - ARM Linux
2015-09-05  2:03               ` Doug Anderson
2015-09-05  8:31                 ` Russell King - ARM Linux
2015-09-05 13:46                   ` Doug Anderson
2015-09-05 14:01                     ` Russell King - ARM Linux
2015-09-05 19:44                       ` Doug Anderson
2015-09-05  8:34                 ` Russell King - ARM Linux
2015-09-05 13:50                   ` Doug Anderson
2015-08-08 16:10   ` [PATCH 7/9] drm: bridge/dw_hdmi: remove ratio support from ACR code Russell King
2015-09-04 18:24     ` Doug Anderson
2015-08-08 16:10   ` [PATCH 8/9] drm: bridge/dw_hdmi: replace CTS calculation for the ACR Russell King
2015-09-04 20:00     ` Doug Anderson
2015-08-08 16:10   ` [PATCH 9/9] drm: bridge/dw_hdmi-i2s-audio: add audio driver Russell King
2015-08-10 15:48     ` Russell King - ARM Linux
2015-08-10 16:26       ` Yakir Yang
2015-08-27  8:42   ` [PATCH 0/9] dw-hdmi audio support Philipp Zabel
2016-01-05 15:40     ` [alsa-devel] " Jean-Michel Hautbois
2016-01-05 15:54       ` Fabio Estevam
2016-01-05 16:04       ` Russell King - ARM Linux
2016-01-07  8:21         ` Jean-Michel Hautbois [this message]
2015-08-10 12:21 ` [PATCH 00/12] dw-hdmi development Thierry Reding
2015-08-18 10:37   ` Russell King - ARM Linux

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