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[90.63.244.31]) by smtp.googlemail.com with ESMTPSA id i11sm6160594wmi.33.2019.06.27.05.13.59 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 27 Jun 2019 05:13:59 -0700 (PDT) From: Jerome Brunet To: Mark Brown , Liam Girdwood , Kevin Hilman Cc: Jerome Brunet , alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org Subject: [PATCH v2 1/2] ASoC: soc-core: defer card registration if codec component is missing Date: Thu, 27 Jun 2019 14:13:49 +0200 Message-Id: <20190627121350.21027-2-jbrunet@baylibre.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190627121350.21027-1-jbrunet@baylibre.com> References: <20190627121350.21027-1-jbrunet@baylibre.com> MIME-Version: 1.0 X-Patchwork-Bot: notify Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Like cpus and platforms, defer sound card initialization if the codec component is missing when initializing the dai_link Signed-off-by: Jerome Brunet --- sound/soc/soc-core.c | 8 ++++++++ 1 file changed, 8 insertions(+) -- 2.21.0 diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 358f1fbf9a30..0ec1d7a59b24 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1064,12 +1064,20 @@ static int soc_init_dai_link(struct snd_soc_card *card, link->name); return -EINVAL; } + /* Codec DAI name must be specified */ if (!codec->dai_name) { dev_err(card->dev, "ASoC: codec_dai_name not set for %s\n", link->name); return -EINVAL; } + + /* + * Defer card registration if codec component is not added to + * component list. + */ + if (!soc_find_component(codec)) + return -EPROBE_DEFER; } /*