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[v2] thermal/drivers/rockchip: add missing rk3328 mapping entry

Message ID 20250207175048.35959-1-twoerner@gmail.com
State New
Headers show
Series [v2] thermal/drivers/rockchip: add missing rk3328 mapping entry | expand

Commit Message

Trevor Woerner Feb. 7, 2025, 5:50 p.m. UTC 
The mapping table for the rk3328 is missing the entry for -25C which is
found in the TRM section 9.5.2 "Temperature-to-code mapping".

NOTE: the kernel uses the tsadc_q_sel=1'b1 mode which is defined as:
      4096-<code in table>. Whereas the table in the TRM gives the code
      "3774" for -25C, the kernel uses 4096-3774=322.

Link: https://opensource.rock-chips.com/images/9/97/Rockchip_RK3328TRM_V1.1-Part1-20170321.pdf
Cc: stable@vger.kernel.org
Fixes: eda519d5f73e ("thermal: rockchip: Support the RK3328 SOC in thermal driver")
Signed-off-by: Trevor Woerner <twoerner@gmail.com>
---
changes in v2:
- remove non-ascii characters in commit message
- remove dangling [1] reference in commit message
- include "Fixes:"
- add request for stable backport
---
 drivers/thermal/rockchip_thermal.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c
index f551df48eef9..a8ad85feb68f 100644
--- a/drivers/thermal/rockchip_thermal.c
+++ b/drivers/thermal/rockchip_thermal.c
@@ -386,6 +386,7 @@  static const struct tsadc_table rk3328_code_table[] = {
 	{296, -40000},
 	{304, -35000},
 	{313, -30000},
+	{322, -25000},
 	{331, -20000},
 	{340, -15000},
 	{349, -10000},