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From: "Niklas Söderlund" <niklas.soderlund+renesas@ragnatech.se>
To: "Rafael J. Wysocki" <rafael@kernel.org>,
	Daniel Lezcano <daniel.lezcano@linaro.org>,
	Zhang Rui <rui.zhang@intel.com>,
	Lukasz Luba <lukasz.luba@arm.com>,
	linux-pm@vger.kernel.org
Cc: "Geert Uytterhoeven" <geert+renesas@glider.be>,
	linux-renesas-soc@vger.kernel.org,
	"Niklas Söderlund" <niklas.soderlund+renesas@ragnatech.se>
Subject: [PATCH 3/3] thermal: rcar_gen3: Increase granularity of readings
Date: Thu,  7 Mar 2024 12:02:16 +0100	[thread overview]
Message-ID: <20240307110216.2962918-4-niklas.soderlund+renesas@ragnatech.se> (raw)
In-Reply-To: <20240307110216.2962918-1-niklas.soderlund+renesas@ragnatech.se>

Later versions of the datasheet (Gen3 rev 2.30) have examples of
temperature approximations with one decimal. Increase the granularity
when reporting temperatures to match this.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
---
 drivers/thermal/rcar_gen3_thermal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/thermal/rcar_gen3_thermal.c b/drivers/thermal/rcar_gen3_thermal.c
index 56fba675b986..fa4c6da8e460 100644
--- a/drivers/thermal/rcar_gen3_thermal.c
+++ b/drivers/thermal/rcar_gen3_thermal.c
@@ -135,7 +135,7 @@ static inline void rcar_gen3_thermal_write(struct rcar_gen3_thermal_tsc *tsc,
  * of values. The values for each model is stored in the device match data.
  */
 
-#define RCAR3_THERMAL_GRAN 500 /* mili Celsius */
+#define RCAR3_THERMAL_GRAN 100 /* millidegree Celsius */
 
 static void rcar_gen3_thermal_calc_coefs(struct rcar_gen3_thermal_priv *priv,
 					 struct rcar_gen3_thermal_tsc *tsc)
-- 
2.44.0


  parent reply	other threads:[~2024-03-07 11:03 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-07 11:02 [PATCH 0/3] thermal: rcar_gen3: Use temperature approximation from datasheet Niklas Söderlund
2024-03-07 11:02 ` [PATCH 1/3] thermal: rcar_gen3: Move Tj_T storage to shared private data Niklas Söderlund
2024-03-20 12:47   ` Geert Uytterhoeven
2024-03-20 12:49   ` Geert Uytterhoeven
2024-03-07 11:02 ` [PATCH 2/3] thermal: rcar_gen3: Update temperature approximation calculation Niklas Söderlund
2024-03-20 13:22   ` Geert Uytterhoeven
2024-03-20 13:31     ` Geert Uytterhoeven
2024-03-20 15:07     ` Niklas Söderlund
2024-03-07 11:02 ` Niklas Söderlund [this message]
2024-03-20 13:27   ` [PATCH 3/3] thermal: rcar_gen3: Increase granularity of readings Geert Uytterhoeven

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