Hi Maxime
On Wed, 8 Jul 2020 at 18:44, Maxime Ripard <maxime@xxxxxxxxxx> wrote:
>
> The HDMI driver was registering a single ALSA card so far with the name
> vc4-hdmi.
>
> Obviously, this is not going to work anymore when will have multiple HDMI
s/will/we
> controllers since we will end up trying to register two files with the same
> name.
>
> Let's use the variant to avoid that name conflict.
>
> Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx>
With that change
Reviewed-by: Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/vc4/vc4_hdmi.c | 3 ++-
> drivers/gpu/drm/vc4/vc4_hdmi.h | 3 +++
> 2 files changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
> index 1b6f51849d6c..0a9a323e03d8 100644
> --- a/drivers/gpu/drm/vc4/vc4_hdmi.c
> +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
> @@ -1044,7 +1044,7 @@ static int vc4_hdmi_audio_init(struct vc4_hdmi *vc4_hdmi)
>
> card->dai_link = dai_link;
> card->num_links = 1;
> - card->name = "vc4-hdmi";
> + card->name = vc4_hdmi->variant->card_name;
> card->dev = dev;
>
> /*
> @@ -1503,6 +1503,7 @@ static int vc4_hdmi_dev_remove(struct platform_device *pdev)
> static const struct vc4_hdmi_variant bcm2835_variant = {
> .encoder_type = VC4_ENCODER_TYPE_HDMI0,
> .debugfs_name = "hdmi_regs",
> + .card_name = "vc4-hdmi",
> .max_pixel_clock = 162000000,
> .cec_available = true,
> .registers = vc4_hdmi_fields,
> diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.h b/drivers/gpu/drm/vc4/vc4_hdmi.h
> index 4aea5ee8a91d..34138e0dd4a6 100644
> --- a/drivers/gpu/drm/vc4/vc4_hdmi.h
> +++ b/drivers/gpu/drm/vc4/vc4_hdmi.h
> @@ -30,6 +30,9 @@ struct vc4_hdmi_variant {
> /* Encoder Type for that controller */
> enum vc4_encoder_type encoder_type;
>
> + /* ALSA card name */
> + const char *card_name;
> +
> /* Filename to expose the registers in debugfs */
> const char *debugfs_name;
>
> --
> git-series 0.9.1
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