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 <max...@cerno.tech>
---
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;
--
git-series 0.9.1
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