linux-kernel - [PATCH 2/2] ASoC: gtm601: add the broadmobi interface

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Message-Id: <20191202174831.13638-3-angus@akkea.ca>
Date:   Mon,  2 Dec 2019 10:48:31 -0700
From:   "Angus Ainslie (Purism)" <angus@...ea.ca>
To:     kernel@...i.sm
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Allison Randal <allison@...utok.net>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        Enrico Weigelt <info@...ux.net>, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Angus Ainslie (Purism)" <angus@...ea.ca>
Subject: [PATCH 2/2] ASoC: gtm601: add the broadmobi interface

The Broadmobi BM818 uses a different sample rate and channels from the
option modem.

Signed-off-by: Angus Ainslie (Purism) <angus@...ea.ca>
---
 Documentation/devicetree/bindings/sound/gtm601.txt | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/sound/gtm601.txt b/Documentation/devicetree/bindings/sound/gtm601.txt
index 5efc8c068de0..efa32a486c4a 100644
--- a/Documentation/devicetree/bindings/sound/gtm601.txt
+++ b/Documentation/devicetree/bindings/sound/gtm601.txt
@@ -1,10 +1,16 @@
 GTM601 UMTS modem audio interface CODEC
 
-This device has no configuration interface. Sample rate is fixed - 8kHz.
+This device has no configuration interface. The sample rate and channels are
+based on the compatible string
+	"option,gtm601" = 8kHz mono
+	"broadmobi,bm818" = 48KHz stereo
 
 Required properties:
 
-  - compatible : "option,gtm601"
+  - compatible : one of
+	"option,gtm601"
+	"broadmobi,bm818"
+
 
 Example:
 
-- 
2.17.1