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   1 From patchwork Thu Sep  7 11:20:18 2023
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   5 X-Patchwork-Submitter: Frank Wunderlich <linux@fw-web.de>
   6 X-Patchwork-Id: 13376356
   7 From: Frank Wunderlich <linux@fw-web.de>
   8 To: linux-mediatek@lists.infradead.org
   9 Subject: [PATCH] thermal/drivers/mediatek: Fix control buffer enablement on
  10  MT7896
  11 Date: Thu,  7 Sep 2023 13:20:18 +0200
  12 Message-Id: <20230907112018.52811-1-linux@fw-web.de>
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  20 Cc: Daniel Lezcano <daniel.lezcano@linaro.org>,
  21  "Rafael J. Wysocki" <rafael@kernel.org>, linux-pm@vger.kernel.org,
  22  Amit Kucheria <amitk@kernel.org>, Daniel Golle <daniel@makrotopia.org>,
  23  stable@vger.kernel.org, linux-kernel@vger.kernel.org,
  24  Matthias Brugger <matthias.bgg@gmail.com>, Zhang Rui <rui.zhang@intel.com>,
  25  linux-arm-kernel@lists.infradead.org,
  26  AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
  27 Sender: "Linux-mediatek" <linux-mediatek-bounces@lists.infradead.org>
  28
  29 From: Frank Wunderlich <frank-w@public-files.de>
  30
  31 Reading thermal sensor on mt7986 devices returns invalid temperature:
  32
  33 bpi-r3 ~ # cat /sys/class/thermal/thermal_zone0/temp
  34  -274000
  35
  36 Fix this by adding missing members in mtk_thermal_data struct which were
  37 used in mtk_thermal_turn_on_buffer after commit 33140e668b10.
  38
  39 Cc: stable@vger.kernel.org
  40 Fixes: 33140e668b10 ("thermal/drivers/mediatek: Control buffer enablement tweaks")
  41 Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
  42 Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
  43 Reviewed-by: Markus Schneider-Pargmann <msp@baylibre.com>
  44 ---
  45  drivers/thermal/mediatek/auxadc_thermal.c | 3 +++
  46  1 file changed, 3 insertions(+)
  47
  48 --- a/drivers/thermal/mediatek/auxadc_thermal.c
  49 +++ b/drivers/thermal/mediatek/auxadc_thermal.c
  50 @@ -690,6 +690,9 @@ static const struct mtk_thermal_data mt7
  51         .adcpnp = mt7986_adcpnp,
  52         .sensor_mux_values = mt7986_mux_values,
  53         .version = MTK_THERMAL_V3,
  54 +       .apmixed_buffer_ctl_reg = APMIXED_SYS_TS_CON1,
  55 +       .apmixed_buffer_ctl_mask = GENMASK(31, 6) | BIT(3),
  56 +       .apmixed_buffer_ctl_set = BIT(0),
  57  };
  58
  59  static bool mtk_thermal_temp_is_valid(int temp)