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Wed, 25 Mar 2026 16:30:54 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Thu, 26 Mar 2026 10:30:46 +1100 Message-Id: Subject: Re: [PATCH] iio: light: veml6070: fix veml6070_read() return value Cc: , , "David Lechner" , =?utf-8?q?Nuno_S=C3=A1?= , "Andy Shevchenko" To: "Aldo Conte" , "Jonathan Cameron" From: "Javier Carrasco" X-Mailer: aerc 0.20.1-4-g02324e9d9cab References: <20260325113216.170357-1-aldocontelk@gmail.com> In-Reply-To: <20260325113216.170357-1-aldocontelk@gmail.com> Hi Aldo, On Wed Mar 25, 2026 at 10:32 PM AEDT, Aldo Conte wrote: > veml6070_read() computes the sensor value in ret but > returns 0 instead of the actual result. This causes > veml6070_read_raw() to always report 0. > > Return the computed value instead of 0. > > Running make W=3D1 returns no errors. I was unable > to test the patch because I do not have the hardware. > Found by code inspection. > The fix is correct, but not the commit it addresses. This bug was introduced when the guard to handle the mutex was added. It should be: Fixes: fc38525135dd ("iio: light: veml6070: use guard to handle mutex") > Fixes: bb18885ed823 ("iio: light: veml6070: add support for integration t= ime") > Signed-off-by: Aldo Conte > --- > drivers/iio/light/veml6070.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/drivers/iio/light/veml6070.c b/drivers/iio/light/veml6070.c > index 6d4483c85f30..74d7246e5225 100644 > --- a/drivers/iio/light/veml6070.c > +++ b/drivers/iio/light/veml6070.c > @@ -134,9 +134,7 @@ static int veml6070_read(struct veml6070_data *data) > if (ret < 0) > return ret; > > - ret =3D (msb << 8) | lsb; > - > - return 0; > + return (msb << 8) | lsb; > } > > static const struct iio_chan_spec veml6070_channels[] =3D { Best regards, Javier