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authorSen Wang <sen@ti.com>2026-06-30 13:31:22 -0500
committerMark Brown <broonie@kernel.org>2026-07-01 19:52:38 +0100
commitc34a4be8b846c7a220fe56442ecca27f6ab91943 (patch)
tree25960a20cbb745e2349ba9baa464c24d59dd3e9c
parenta044f99d000dca7e1d3e8fc847d9ad60467b6793 (diff)
downloadlinux-next-c34a4be8b846c7a220fe56442ecca27f6ab91943.tar.gz
linux-next-c34a4be8b846c7a220fe56442ecca27f6ab91943.zip
Documentation: sound: tas675x: Fix temperature range and impedance documentation
Two corrections against the TRM (SLOU589A): - Corrected channel temperature range - Corrected conversion formula for global temperature Fixes: ba46edca354e ("Documentation: sound: Add TAS675x codec mixer controls documentation") Signed-off-by: Sen Wang <sen@ti.com> Link: https://patch.msgid.link/20260630183126.2588322-4-sen@ti.com Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r--Documentation/sound/codecs/tas675x.rst11
1 files changed, 6 insertions, 5 deletions
diff --git a/Documentation/sound/codecs/tas675x.rst b/Documentation/sound/codecs/tas675x.rst
index c08b0e392306..2d9e009b46b1 100644
--- a/Documentation/sound/codecs/tas675x.rst
+++ b/Documentation/sound/codecs/tas675x.rst
@@ -281,7 +281,7 @@ Global Temperature
:Description: Global die temperature sense register.
:Type: Integer (read-only)
:Range: 0 to 255
-:Conversion: (value × 0.5 °C) − 50 °C
+:Conversion: value × 2.19 K; subtract 273.15 for °C
:Register: 0x75
CHx Temperature Range
@@ -289,10 +289,11 @@ CHx Temperature Range
:Description: Per-channel coarse temperature range indicator (x = 1, 2, 3, 4).
:Type: Integer (read-only)
-:Range: 0 to 3
-:Mapping: 0 = <80 °C, 1 = 80–100 °C, 2 = 100–120 °C, 3 = >120 °C
-:Register: 0xBB bits [7:6] (CH1), bits [5:4] (CH2),
- 0xBC bits [3:2] (CH3), bits [1:0] (CH4)
+:Range: 0 to 7
+:Mapping: 0 = <95 °C, 1 = 95–110 °C, 2 = 110–125 °C, 3 = 125–135 °C,
+ 4 = 135–145 °C, 5 = 145–155 °C, 6 = 155–165 °C, 7 = >165 °C
+:Register: 0xBB bits [2:0] (CH1), bits [5:3] (CH2),
+ 0xBC bits [2:0] (CH3), bits [5:3] (CH4)
Load Diagnostics
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