From: Jonathan Cameron <jic23@kernel.org>
To: Tsz Shan Chan <tsz.chan.dev@gmail.com>
Cc: "Subhajit Ghosh" <subhajit.ghosh@tweaklogic.com>,
"David Lechner" <dlechner@baylibre.com>,
"Nuno Sá" <nuno.sa@analog.com>,
"Andy Shevchenko" <andy@kernel.org>,
linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org,
"Andy Shevchenko" <andriy.shevchenko@intel.com>,
"Tsz Shan Chan" <tchan@jacques.com.au>
Subject: Re: [PATCH v3] iio: light: apds9306: fix default sampling frequency definition
Date: Sun, 6 Sep 2026 04:59:29 +0100 [thread overview]
Message-ID: <20260906045929.0a1c46fd@jic23-huawei> (raw)
In-Reply-To: <20260904-apds9306-v3-1-4f668393c2ae@jacques.com.au>
On Fri, 04 Sep 2026 11:19:48 +1000
Tsz Shan Chan <tsz.chan.dev@gmail.com> wrote:
> APDS9306_SAMP_FREQ_10HZ is defined as 0.
>
> According to the datasheet (Broadcom AV02-4755EN, page 11,
> ALS_MEAS_RATE), bits[2:0] set the measurement rate:
> - 000: 25ms (40Hz)
> - 001: 20ms (20Hz)
> - 010: 100ms (10Hz)
>
> Change APDS9306_SAMP_FREQ_10HZ from 0 to 2 to write the correct value
> for 10Hz.
>
> Datasheet: https://docs.broadcom.com/doc/AV02-4755EN
> Fixes: 620d1e6c7a3f ("iio: light: Add support for APDS9306 Light Sensor")
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
> Signed-off-by: Tsz Shan Chan <tchan@jacques.com.au>
Looks correct to me, but as driver is only a few years old, I'll leave
some time to see if Subhajit is still about to take a look.
Jonathan
> ---
> Changes in v3:
> - Move datasheet URL to datasheet tag in the commit message
> - Link to v2: https://lore.kernel.org/r/20260903-apds9306-v2-1-e8673986ae56@jacques.com.au
>
> Changes in v2:
> - Add datasheet link to commit message
> - Remove blank line in the tag block
> - Link to v1: https://lore.kernel.org/r/20260903-apds9306-v1-1-3f892aa4f156@jacques.com.au
> ---
> drivers/iio/light/apds9306.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/iio/light/apds9306.c b/drivers/iio/light/apds9306.c
> index f681b02e4922..7dd41136734f 100644
> --- a/drivers/iio/light/apds9306.c
> +++ b/drivers/iio/light/apds9306.c
> @@ -61,7 +61,7 @@
> #define APDS9306_NUM_REPEAT_RATES 7
> #define APDS9306_INT_SRC_CLEAR 0
> #define APDS9306_INT_SRC_ALS 1
> -#define APDS9306_SAMP_FREQ_10HZ 0
> +#define APDS9306_SAMP_FREQ_10HZ 2
>
> /**
> * struct part_id_gts_multiplier - Part no. and corresponding gts multiplier
>
> ---
> base-commit: 940de590b839f71d6dc846160534bf202401b8b7
> change-id: 20260903-apds9306-bedba7b74e59
>
> Best regards,
next prev parent reply other threads:[~2026-09-06 3:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-04 1:19 [PATCH v3] iio: light: apds9306: fix default sampling frequency definition Tsz Shan Chan
2026-09-06 3:59 ` Jonathan Cameron [this message]
2026-09-12 10:59 ` Subhajit Ghosh
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