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Date:   Sun, 17 Oct 2021 16:00:28 +0000
From:   Christian Hewitt <>
To:     Jerome Brunet <>,
        Liam Girdwood <>,
        Mark Brown <>,
        Jaroslav Kysela <>,
        Takashi Iwai <>,
        Kevin Hilman <>,
        Neil Armstrong <>,
        Martin Blumenstingl <>,,,,
Cc:     Christian Hewitt <>,
        Matthias Reichl <>
Subject: [PATCH] ASoC: meson: implement driver_name for snd_soc_card in meson-card-utils

Implement driver_name to provide an alternative to card_name for userspace
configuration of Amlogic audio cards.

Suggested-by: Matthias Reichl <>
Signed-off-by: Christian Hewitt <>
The meson AIU/AXG drivers currently require alsa confs based on the board
model name which is unique to each board. This is very flexible for audio
use-cases, but not very maintainable for distros with a single use-case
that need to support a large number of different Amlogic boards. Using a
driver name to match the card conf instead of card/model name reduces the
number of confs needed in the LibreELEC (Kodi) distro from 41 to 2.

 sound/soc/meson/meson-card-utils.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/meson/meson-card-utils.c b/sound/soc/meson/meson-card-utils.c
index 415cc0046e4b..29b0174f4b5c 100644
--- a/sound/soc/meson/meson-card-utils.c
+++ b/sound/soc/meson/meson-card-utils.c
@@ -302,6 +302,7 @@ int meson_card_probe(struct platform_device *pdev)
 	priv->card.owner = THIS_MODULE;
 	priv-> = dev;
+	priv->card.driver_name = dev->driver->name;
 	priv->match_data = data;
 	ret = snd_soc_of_parse_card_name(&priv->card, "model");

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