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Documentation: sound: tas675x: Fix temperature range and impedance documentation

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Two corrections against the TRM (SLOU589A):
- Corrected channel temperature range
- Corrected conversion formula for global temperature

Fixes: ba46edca35 ("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>
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Sen Wang 2026-06-30 13:31:22 -05:00 committed by Mark Brown
parent a044f99d00
commit c34a4be8b8
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1 changed files with 6 additions and 5 deletions
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Documentation/sound/codecs/tas675x.rst
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@ -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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