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Tue, 21 Oct 2025 01:07:47 -0700 (PDT) Received: from phenom.ffwll.local ([2a02:168:57f4:0:5485:d4b2:c087:b497]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-63c48ab65d6sm8600484a12.14.2025.10.21.01.07.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Oct 2025 01:07:46 -0700 (PDT) Date: Tue, 21 Oct 2025 10:07:44 +0200 From: Simona Vetter To: Shengjiu Wang , andrzej.hajda@intel.com, neil.armstrong@linaro.org, rfoss@kernel.org, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, lumag@kernel.org, dianders@chromium.org, cristian.ciocaltea@collabora.com, luca.ceresoli@bootlin.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, victor.liu@nxp.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, p.zabel@pengutronix.de, devicetree@vger.kernel.org, l.stach@pengutronix.de, shengjiu.wang@gmail.com, perex@perex.cz, tiwai@suse.com, linux-sound@vger.kernel.org Subject: Re: [PATCH v7 2/7] ALSA: Add definitions for the bits in IEC958 subframe Message-ID: Mail-Followup-To: Shengjiu Wang , andrzej.hajda@intel.com, neil.armstrong@linaro.org, rfoss@kernel.org, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, lumag@kernel.org, dianders@chromium.org, cristian.ciocaltea@collabora.com, luca.ceresoli@bootlin.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, victor.liu@nxp.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, p.zabel@pengutronix.de, devicetree@vger.kernel.org, l.stach@pengutronix.de, shengjiu.wang@gmail.com, perex@perex.cz, tiwai@suse.com, linux-sound@vger.kernel.org References: <20250923053001.2678596-1-shengjiu.wang@nxp.com> <20250923053001.2678596-3-shengjiu.wang@nxp.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Operating-System: Linux phenom 6.12.38+deb13-amd64 On Tue, Oct 21, 2025 at 10:03:37AM +0200, Simona Vetter wrote: > On Tue, Sep 23, 2025 at 01:29:56PM +0800, Shengjiu Wang wrote: > > The IEC958 subframe format SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE are used > > in HDMI and DisplayPort to describe the audio stream, but hardware device > > may need to reorder the IEC958 bits for internal transmission, so need > > these standard bits definitions for IEC958 subframe format. > > > > Signed-off-by: Shengjiu Wang > > Reviewed-by: Takashi Iwai > > Tested-by: Alexander Stein > > Would be good to get a formal ack from alsa maintainers before merging > through drm, just to be sure. Sorry wasn't fully awake yet, I meant that it should be recorded in the commit. dim has a check for this stuff now and it fired for your patch. -Sima > > Thanks, Sima > > > --- > > include/sound/asoundef.h | 9 +++++++++ > > 1 file changed, 9 insertions(+) > > > > diff --git a/include/sound/asoundef.h b/include/sound/asoundef.h > > index 09b2c3dffb30..c4a929d4fd51 100644 > > --- a/include/sound/asoundef.h > > +++ b/include/sound/asoundef.h > > @@ -12,6 +12,15 @@ > > * Digital audio interface * > > * * > > ****************************************************************************/ > > +/* IEC958 subframe format */ > > +#define IEC958_SUBFRAME_PREAMBLE_MASK (0xfU) > > +#define IEC958_SUBFRAME_AUXILIARY_MASK (0xfU << 4) > > +#define IEC958_SUBFRAME_SAMPLE_24_MASK (0xffffffU << 4) > > +#define IEC958_SUBFRAME_SAMPLE_20_MASK (0xfffffU << 8) > > +#define IEC958_SUBFRAME_VALIDITY (0x1U << 28) > > +#define IEC958_SUBFRAME_USER_DATA (0x1U << 29) > > +#define IEC958_SUBFRAME_CHANNEL_STATUS (0x1U << 30) > > +#define IEC958_SUBFRAME_PARITY (0x1U << 31) > > > > /* AES/IEC958 channel status bits */ > > #define IEC958_AES0_PROFESSIONAL (1<<0) /* 0 = consumer, 1 = professional */ > > -- > > 2.34.1 > > > > -- > Simona Vetter > Software Engineer > http://blog.ffwll.ch -- Simona Vetter Software Engineer http://blog.ffwll.ch