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dkim=none (message not signed) header.d=none;analogixsemi.com; dmarc=none action=none header.from=analogixsemi.com; Received: from BY5PR04MB6739.namprd04.prod.outlook.com (2603:10b6:a03:229::8) by BY5PR04MB6566.namprd04.prod.outlook.com (2603:10b6:a03:1d9::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4669.10; Tue, 9 Nov 2021 02:43:38 +0000 Received: from BY5PR04MB6739.namprd04.prod.outlook.com ([fe80::6807:22c:61f6:d595]) by BY5PR04MB6739.namprd04.prod.outlook.com ([fe80::6807:22c:61f6:d595%4]) with mapi id 15.20.4690.015; Tue, 9 Nov 2021 02:43:38 +0000 From: Xin Ji To: a.hajda@samsung.com, narmstrong@baylibre.com, dan.carpenter@oracle.com, robert.foss@linaro.org, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, airlied@linux.ie, daniel@ffwll.ch, sam@ravnborg.org, pihsun@chromium.org, tzungbi@google.com, maxime@cerno.tech, drinkcat@google.com, hsinyi@chromium.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, bliang@analogixsemi.com, qwen@analogixsemi.com Subject: [PATCH 2/2] drm/bridge: anx7625: add audio codec .get_eld support Date: Tue, 9 Nov 2021 10:42:37 +0800 Message-Id: <20211109024237.3354741-2-xji@analogixsemi.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211109024237.3354741-1-xji@analogixsemi.com> References: <20211109024237.3354741-1-xji@analogixsemi.com> X-ClientProxiedBy: HK2PR02CA0179.apcprd02.prod.outlook.com (2603:1096:201:21::15) To BY5PR04MB6739.namprd04.prod.outlook.com (2603:10b6:a03:229::8) MIME-Version: 1.0 Received: from anxtwsw-Precision-3640-Tower (60.251.58.79) by HK2PR02CA0179.apcprd02.prod.outlook.com (2603:1096:201:21::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4690.15 via Frontend Transport; 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Signed-off-by: Xin Ji Reviewed-by: Robert Foss --- drivers/gpu/drm/bridge/analogix/anx7625.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c index 6d93026c2999..67a87d21b0ba 100644 --- a/drivers/gpu/drm/bridge/analogix/anx7625.c +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c @@ -1821,9 +1821,27 @@ static int anx7625_audio_hook_plugged_cb(struct device *dev, void *data, return 0; } +static int anx7625_audio_get_eld(struct device *dev, void *data, + u8 *buf, size_t len) +{ + struct anx7625_data *ctx = dev_get_drvdata(dev); + + if (!ctx->connector) { + DRM_DEV_DEBUG_DRIVER(dev, "connector not initial\n"); + return -EINVAL; + } + + DRM_DEV_DEBUG_DRIVER(dev, "audio copy eld\n"); + memcpy(buf, ctx->connector->eld, + min(sizeof(ctx->connector->eld), len)); + + return 0; +} + static const struct hdmi_codec_ops anx7625_codec_ops = { .hw_params = anx7625_audio_hw_params, .audio_shutdown = anx7625_audio_shutdown, + .get_eld = anx7625_audio_get_eld, .get_dai_id = anx7625_hdmi_i2s_get_dai_id, .hook_plugged_cb = anx7625_audio_hook_plugged_cb, };