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Mon, 24 Feb 2020 04:10:45 -0500 (EST) From: Maxime Ripard To: Nicolas Saenz Julienne , Eric Anholt Subject: [PATCH 81/89] drm/vc4: hdmi: Add an audio support flag Date: Mon, 24 Feb 2020 10:07:23 +0100 Message-Id: <16464cc202d1867843f68f4c2746d5a1b2facecd.1582533919.git-series.maxime@cerno.tech> X-Mailer: git-send-email 2.24.1 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200224_011048_834576_BC95FA64 X-CRM114-Status: GOOD ( 10.58 ) X-Spam-Score: -0.9 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [64.147.123.17 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 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: , Cc: Tim Gover , Dave Stevenson , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, Phil Elwell , linux-arm-kernel@lists.infradead.org, Maxime Ripard Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The BCM2711 audio support doesn't work yet, so let's add a boolean to indicate whether or not it's supported, and only register a sound card if that boolean is set. Signed-off-by: Maxime Ripard --- drivers/gpu/drm/vc4/vc4_hdmi.c | 4 ++++ drivers/gpu/drm/vc4/vc4_hdmi.h | 3 +++ 2 files changed, 7 insertions(+) diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index 25fbe2fb72fb..a98661c12c24 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -930,6 +930,9 @@ static int vc4_hdmi_audio_init(struct vc4_hdmi *vc4_hdmi) const __be32 *addr; int ret; + if (!vc4_hdmi->variant->audio_available) + return 0; + if (!of_find_property(dev->of_node, "dmas", NULL)) { dev_warn(dev, "'dmas' DT property is missing, no HDMI audio\n"); @@ -1429,6 +1432,7 @@ static int vc4_hdmi_dev_remove(struct platform_device *pdev) } struct vc4_hdmi_variant bcm2835_variant = { + .audio_available = true, .registers = vc4_hdmi_fields, .num_registers = ARRAY_SIZE(vc4_hdmi_fields), diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.h b/drivers/gpu/drm/vc4/vc4_hdmi.h index 4d3117de383a..f41116507156 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.h +++ b/drivers/gpu/drm/vc4/vc4_hdmi.h @@ -32,6 +32,9 @@ struct vc4_hdmi_variant { */ unsigned int id; + /* Set to true when the audio support is available */ + bool audio_available; + /* List of the registers available on that variant */ const struct vc4_hdmi_register *registers;