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Fri, 5 Jul 2019 14:41:03 +0200 Received: from SFHDAG6NODE3.st.com ([fe80::d04:5337:ab17:b6f6]) by SFHDAG6NODE3.st.com ([fe80::d04:5337:ab17:b6f6%20]) with mapi id 15.00.1473.003; Fri, 5 Jul 2019 14:41:03 +0200 From: Philippe CORNU To: Olivier MOYSAN , "a.hajda@samsung.com" , "narmstrong@baylibre.com" , "Laurent.pinchart@ideasonboard.com" , "jonas@kwiboo.se" , "jernej.skrabec@siol.net" , "airlied@linux.ie" , "daniel@ffwll.ch" , "dri-devel@lists.freedesktop.org" , "linux-kernel@vger.kernel.org" , Benjamin GAIGNARD , Alexandre TORGUE , "linux-arm-kernel@lists.infradead.org" , "linux-stm32@st-md-mailman.stormreply.com" , "jsarha@ti.com" Subject: Re: [PATCH] drm/bridge: sii902x: add audio graph card support Thread-Topic: [PATCH] drm/bridge: sii902x: add audio graph card support Thread-Index: AQHVMXX5EUvh0puEZ0ygMEtXg5C9Kaa72VsA Date: Fri, 5 Jul 2019 12:41:03 +0000 Message-ID: <7c17b3f2-afee-7548-7620-b67d11d09b24@st.com> References: <1562141052-26221-1-git-send-email-olivier.moysan@st.com> In-Reply-To: <1562141052-26221-1-git-send-email-olivier.moysan@st.com> Accept-Language: fr-FR, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.75.127.45] Content-ID: <019DC7758BBDE148B1C01A127A8F5761@st.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-07-05_05:, , signatures=0 X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Olivier, and many thanks for your patch. Good to have the audio graph card support, looks ok. Reviewed-by: Philippe Cornu Philippe :-) On 7/3/19 10:04 AM, Olivier Moysan wrote: > Implement get_dai_id callback of audio HDMI codec > to support ASoC audio graph card. > HDMI audio output has to be connected to sii902x port 3. > get_dai_id callback maps this port to ASoC DAI index 0. > > Signed-off-by: Olivier Moysan > --- > drivers/gpu/drm/bridge/sii902x.c | 23 +++++++++++++++++++++++ > 1 file changed, 23 insertions(+) > > diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c > index dd7aa466b280..daf9ef3cd817 100644 > --- a/drivers/gpu/drm/bridge/sii902x.c > +++ b/drivers/gpu/drm/bridge/sii902x.c > @@ -158,6 +158,8 @@ > > #define SII902X_I2C_BUS_ACQUISITION_TIMEOUT_MS 500 > > +#define SII902X_AUDIO_PORT_INDEX 3 > + > struct sii902x { > struct i2c_client *i2c; > struct regmap *regmap; > @@ -690,11 +692,32 @@ static int sii902x_audio_get_eld(struct device *dev, void *data, > return 0; > } > > +static int sii902x_audio_get_dai_id(struct snd_soc_component *component, > + struct device_node *endpoint) > +{ > + struct of_endpoint of_ep; > + int ret; > + > + ret = of_graph_parse_endpoint(endpoint, &of_ep); > + if (ret < 0) > + return ret; > + > + /* > + * HDMI sound should be located at reg = <3> > + * Return expected DAI index 0. > + */ > + if (of_ep.port == SII902X_AUDIO_PORT_INDEX) > + return 0; > + > + return -EINVAL; > +} > + > static const struct hdmi_codec_ops sii902x_audio_codec_ops = { > .hw_params = sii902x_audio_hw_params, > .audio_shutdown = sii902x_audio_shutdown, > .digital_mute = sii902x_audio_digital_mute, > .get_eld = sii902x_audio_get_eld, > + .get_dai_id = sii902x_audio_get_dai_id, > }; > > static int sii902x_audio_codec_init(struct sii902x *sii902x, > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel