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Sun, 28 Feb 2021 11:13:09 -0500 X-MC-Unique: Z1KCSpISMbSgSCjvwjBQFQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 8D655801975; Sun, 28 Feb 2021 16:13:08 +0000 (UTC) Received: from x1.localdomain (ovpn-112-42.ams2.redhat.com [10.36.112.42]) by smtp.corp.redhat.com (Postfix) with ESMTP id C0F5C5D9CC; Sun, 28 Feb 2021 16:13:07 +0000 (UTC) From: Hans de Goede To: Jaroslav Kysela , alsa-devel@alsa-project.org Subject: [PATCH alsa-lib v2 2/3] mixer: Add exception for non " Volume" suffixed capture vol-ctls used in ASoC realtek codec drivers Date: Sun, 28 Feb 2021 17:13:03 +0100 Message-Id: <20210228161304.241288-3-hdegoede@redhat.com> In-Reply-To: <20210228161304.241288-1-hdegoede@redhat.com> References: <20210228161304.241288-1-hdegoede@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=hdegoede@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" Cc: Hans de Goede X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" The following ASoC codec drivers: sound/soc/codecs/rt5640.c sound/soc/codecs/rt5645.c sound/soc/codecs/rt5651.c sound/soc/codecs/rt5677.c Use capture-volume-control names like: "IN1 Boost", note the missing " Volume" suffix. This causes the mixer code to not identify these as volume-controls, which causes some of the dB related sm_elem_ops to return -EINVAL. This in turn causes alsamixer to not show dB info and causes UCM profile HW volume control support in pulseaudio to not work properly due to the lacking dB scale info. This cannot be fixed on the kernel side because the non " Volume" suffixed names are used in UCM profiles currently shipping in alsa-ucm-conf. Add some code to the base_len() function, which is responsbile for getting the control-type to deal with these special cases. Signed-off-by: Hans de Goede --- src/mixer/simple_none.c | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) diff --git a/src/mixer/simple_none.c b/src/mixer/simple_none.c index 7da7de1e..262e3516 100644 --- a/src/mixer/simple_none.c +++ b/src/mixer/simple_none.c @@ -905,13 +905,29 @@ static const struct suf { {" Volume", CTL_GLOBAL_VOLUME}, {NULL, 0} }; + +/* + * Some kernel drivers use mixer-element names for capture-volumes which + * are not suffixed with " Capture Volume". This cannot be fixed on the + * kernel side because the non-suffixed names are used in UCM profiles, + * so we map these to CTL_CAPTURE_VOLUME based on their full name. + */ +const char * const capture_volume_names[] = { + "ADC Boost Gain", + "IN1 Boost", + "IN2 Boost", + "IN3 Boost", + NULL +}; #endif /* Return base length */ static int base_len(const char *name, selem_ctl_type_t *type) { - const struct suf *p; size_t nlen = strlen(name); + const struct suf *p; + char buf[32]; + int i; /* exception: "Capture Volume" and "Capture Switch" */ if (!strcmp(name, "Capture Volume")) { @@ -923,6 +939,13 @@ static int base_len(const char *name, selem_ctl_type_t *type) return strlen("Capture"); } + for (i = 0; capture_volume_names[i]; i++) { + if (!strcmp(name, capture_volume_names[i])) { + *type = CTL_CAPTURE_VOLUME; + return nlen; + } + } + p = suffixes; while (p->suffix) { size_t slen = strlen(p->suffix); -- 2.30.1