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([2001:818:ea56:d000:56e0:ceba:7da4:6673]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-45491e94c0fsm10655662f8f.32.2026.05.09.02.06.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 09 May 2026 02:06:02 -0700 (PDT) Message-ID: <2cef410ce127b662daeaee4dda2e33c8e2cfafbd.camel@gmail.com> Subject: Re: [PATCH 7/8] iio: magnetometer: ak8975: add scan mask index enum From: Nuno =?ISO-8859-1?Q?S=E1?= To: joshua.crofts1@gmail.com, Jonathan Cameron , David Lechner , Nuno =?ISO-8859-1?Q?S=E1?= , Andy Shevchenko Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Date: Sat, 09 May 2026 10:07:03 +0100 In-Reply-To: <20260507-magnetometer-fixes-post-pickup-v1-7-37827ca68fb3@gmail.com> References: <20260507-magnetometer-fixes-post-pickup-v1-0-37827ca68fb3@gmail.com> <20260507-magnetometer-fixes-post-pickup-v1-7-37827ca68fb3@gmail.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2 (3.56.2-2.fc42) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Thu, 2026-05-07 at 16:35 +0200, Joshua Crofts via B4 Relay wrote: > From: Joshua Crofts >=20 > Add an enum to explicitly define scan mask indexes for the X, Y, Z and > timestamp channels. Also, update the struct iio_chan_spec to use said > enum for the .scan_index parameter. >=20 > This prevents magic numbers from obscuring the hardware channel mapping > and improves code style. >=20 > No functional change. >=20 > Suggested-by: Jonathan Cameron > Signed-off-by: Joshua Crofts > --- Reviewed-by: Nuno S=C3=A1 > =C2=A0drivers/iio/magnetometer/ak8975.c | 13 +++++++++++-- > =C2=A01 file changed, 11 insertions(+), 2 deletions(-) >=20 > diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer= /ak8975.c > index > fde37cdcdd053bde1630c2f73ab717f9d008e2fa..d11f025e146d098508f35ef31c1ccad= 544612535 > 100644 > --- a/drivers/iio/magnetometer/ak8975.c > +++ b/drivers/iio/magnetometer/ak8975.c > @@ -238,6 +238,13 @@ enum ak_ctrl_mode { > =C2=A0 MODE_END, > =C2=A0}; > =C2=A0 > +enum ak_scan_index { > + AK8975_SCAN_X, > + AK8975_SCAN_Y, > + AK8975_SCAN_Z, > + AK8975_SCAN_TS, > +}; > + > =C2=A0struct ak_def { > =C2=A0 enum asahi_compass_chipset type; > =C2=A0 long (*raw_to_gauss)(u16 data); > @@ -835,8 +842,10 @@ static const struct iio_chan_spec_ext_info ak8975_ex= t_info[] =3D > { > =C2=A0 } > =C2=A0 > =C2=A0static const struct iio_chan_spec ak8975_channels[] =3D { > - AK8975_CHANNEL(X, 0), AK8975_CHANNEL(Y, 1), AK8975_CHANNEL(Z, 2), > - IIO_CHAN_SOFT_TIMESTAMP(3), > + AK8975_CHANNEL(X, AK8975_SCAN_X), > + AK8975_CHANNEL(Y, AK8975_SCAN_Y), > + AK8975_CHANNEL(Z, AK8975_SCAN_Z), > + IIO_CHAN_SOFT_TIMESTAMP(AK8975_SCAN_TS), > =C2=A0}; > =C2=A0 > =C2=A0static const unsigned long ak8975_scan_masks[] =3D { 0x7, 0 };