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Fri, 05 May 2023 09:55:24 -0700 (PDT) From: Srinivas Kandagatla To: broonie@kernel.org, tiwai@suse.com Subject: [PATCH 0/3] ASoC: hdmi-codec: add component name prefix to controls Date: Fri, 5 May 2023 17:55:11 +0100 Message-Id: <20230505165514.4666-1-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Message-ID-Hash: GSXRMG5HBBTUPSWGGIJ72O2A5IF75AZR X-Message-ID-Hash: GSXRMG5HBBTUPSWGGIJ72O2A5IF75AZR X-MailFrom: srinivas.kandagatla@linaro.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: lgirdwood@gmail.com, ckeepax@opensource.cirrus.com, kuninori.morimoto.gx@renesas.com, linux-kernel@vger.kernel.org, pierre-louis.bossart@linux.intel.com, alsa-devel@alsa-project.org, Srinivas Kandagatla X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: While adding audio support to two instances of Display port on x13s, hdmi-codec failed to add controls as two codec instances were trying to add controls with same name. snd-sc8280xp sound: control 3:16:0:IEC958 Playback Mask:0 is already present snd-sc8280xp sound: control 3:16:0:Playback Channel Map:0 is already present hdmi-audio-codec hdmi-audio-codec.4.auto: ASoC: error at snd_soc_pcm_dai_new on i2s-hifi: -16 To fix this issue, I have added a new api snd_pcm_add_chmap_ctls_with_prefix() to allow to pass asoc component name prefix, which should provide a unique control names. We can also make snd_pcm_add_chmap_ctls() take prefix argument to do the same this. Srinivas Kandagatla (3): ALSA: pcm: add snd_pcm_add_chmap_ctls_with_prefix ASoC: hdmi-codec: use snd_pcm_add_chmap_ctls_with_prefix to add controls ASoC: hdmi-codec: use snd_soc_cnew to add controls include/sound/pcm.h | 7 +++++++ sound/core/pcm_lib.c | 30 ++++++++++++++++++++++++++++-- sound/soc/codecs/hdmi-codec.c | 10 ++++++---- 3 files changed, 41 insertions(+), 6 deletions(-)