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Mon, 01 Dec 2025 02:00:46 -0800 (PST) From: Francesco Lavra To: Lorenzo Bianconi , Jonathan Cameron , David Lechner , =?UTF-8?q?Nuno=20S=C3=A1?= , Andy Shevchenko , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Andy Shevchenko Subject: [PATCH v4 8/9] iio: imu: st_lsm6dsx: add event spec parameter to iio_chan_spec initializer Date: Mon, 1 Dec 2025 11:00:17 +0100 Message-Id: <20251201100018.426749-9-flavra@baylibre.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20251201100018.426749-1-flavra@baylibre.com> References: <20251201100018.426749-1-flavra@baylibre.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=3543; i=flavra@baylibre.com; h=from:subject; bh=VEXbt4kdhx6arib++1D6zpeorO/guWg9frDU5YFOf1g=; b=owEB7QES/pANAwAKAe3xO3POlDZfAcsmYgBpLWb6w3EoMg4eoH1X/EuzPkJ4w8Cz7ovsBXGSb DdmD9omWjiJAbMEAAEKAB0WIQSGV4VPlTvcox7DFObt8TtzzpQ2XwUCaS1m+gAKCRDt8TtzzpQ2 XyPgC/9uka8VLFWqjeMm3+Zvky4dQHOu6ujgDzdW4ElKbN52L0248PexMTopgj/IBkzLTMkaVxD BN/Yog2ZWN3QftH1y7x7WngDidyW0Cd+LT1itd3JeZ4RDl51ah8ax7rXdWEd8fN9VahFVbRcESg OYE55RHjZMdmHc2YaJvJnrwURqvTbYEdAJ6MZ2Lcr2nPxqA2LVNLEI1AbaDLigCv9tKm/QR+1qH 2rb9mqcC9HQ9MVu/6zcH6/GkYAzmamvzaxwc5LvESVIF7fKFk3CEWX3K+m9WTdjytdUVk+xugkN y7LFdegzGNd21BLhUo6D7d70Zx5iLZgDupDlYb9JCSO1SEPkCuUwfGxtztuYkhx0X120+xMdQBa cpgeV9Iaq+M75PgDk1xeB/H6y8V87t3/HgS3itIhjTAzzJowpRazmOfGqCju2qtDBmPx6phB9/j yv/Pti+E4FyXTmY+1PI5xGsVpDiSrogG0hs01VGOUy5hjmLyt9wPpHtjUd6bkO6WLKZ/Q= X-Developer-Key: i=flavra@baylibre.com; a=openpgp; fpr=8657854F953BDCA31EC314E6EDF13B73CE94365F Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" In preparation for adding support for more event sources, add to the ST_LSM6DSX_CHANNEL_ACC() iio_chan_spec initializer macro an iio_event_spec array argument, so that this macro can be used with different arrays by sensors that support different event sources; change the st_lsm6dsx_event struct declaration to an array (renamed as st_lsm6dsx_ev_motion) so that it can be passed to the macro (and opportunistically move it from the header file where it does not belong to the C file where it is used). In addition, remove from this macro the channel type parameter and hard-code IIO_ACCEL in the macro definition, since all callers use IIO_ACCEL as channel type argument. Signed-off-by: Francesco Lavra Reviewed-by: Andy Shevchenko --- drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h | 15 ++++----------- drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 15 ++++++++++++--- 2 files changed, 16 insertions(+), 14 deletions(-) diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h b/drivers/iio/imu/st_l= sm6dsx/st_lsm6dsx.h index 515aadbee3a4..3edff8456a8f 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h @@ -81,9 +81,9 @@ enum st_lsm6dsx_hw_id { #define ST_LSM6DSX_SHIFT_VAL(val, mask) (((val) << __ffs(mask)) & (mask)) #define st_lsm6dsx_field_get(mask, reg) ((reg & mask) >> __ffs(mask)) =20 -#define ST_LSM6DSX_CHANNEL_ACC(chan_type, addr, mod, scan_idx) \ +#define ST_LSM6DSX_CHANNEL_ACC(addr, mod, scan_idx, events) \ { \ - .type =3D chan_type, \ + .type =3D IIO_ACCEL, \ .address =3D addr, \ .modified =3D 1, \ .channel2 =3D mod, \ @@ -97,9 +97,9 @@ enum st_lsm6dsx_hw_id { .storagebits =3D 16, \ .endianness =3D IIO_LE, \ }, \ - .event_spec =3D &st_lsm6dsx_event, \ + .event_spec =3D events, \ + .num_event_specs =3D ARRAY_SIZE(events), \ .ext_info =3D st_lsm6dsx_ext_info, \ - .num_event_specs =3D 1, \ } =20 #define ST_LSM6DSX_CHANNEL(chan_type, addr, mod, scan_idx) \ @@ -468,13 +468,6 @@ struct st_lsm6dsx_hw { } scan[ST_LSM6DSX_ID_MAX]; }; =20 -static __maybe_unused const struct iio_event_spec st_lsm6dsx_event =3D { - .type =3D IIO_EV_TYPE_THRESH, - .dir =3D IIO_EV_DIR_EITHER, - .mask_separate =3D BIT(IIO_EV_INFO_VALUE) | - BIT(IIO_EV_INFO_ENABLE) -}; - static __maybe_unused const unsigned long st_lsm6dsx_available_scan_masks[= ] =3D { 0x7, 0x0, }; diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu= /st_lsm6dsx/st_lsm6dsx_core.c index e6c769049981..04a3c65d4546 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c @@ -96,10 +96,19 @@ =20 #define ST_LSM6DSX_TS_SENSITIVITY 25000UL /* 25us */ =20 +static const struct iio_event_spec st_lsm6dsx_ev_motion[] =3D { + { + .type =3D IIO_EV_TYPE_THRESH, + .dir =3D IIO_EV_DIR_EITHER, + .mask_separate =3D BIT(IIO_EV_INFO_VALUE) | + BIT(IIO_EV_INFO_ENABLE), + }, +}; + static const struct iio_chan_spec st_lsm6dsx_acc_channels[] =3D { - ST_LSM6DSX_CHANNEL_ACC(IIO_ACCEL, 0x28, IIO_MOD_X, 0), - ST_LSM6DSX_CHANNEL_ACC(IIO_ACCEL, 0x2a, IIO_MOD_Y, 1), - ST_LSM6DSX_CHANNEL_ACC(IIO_ACCEL, 0x2c, IIO_MOD_Z, 2), + ST_LSM6DSX_CHANNEL_ACC(0x28, IIO_MOD_X, 0, st_lsm6dsx_ev_motion), + ST_LSM6DSX_CHANNEL_ACC(0x2a, IIO_MOD_Y, 1, st_lsm6dsx_ev_motion), + ST_LSM6DSX_CHANNEL_ACC(0x2c, IIO_MOD_Z, 2, st_lsm6dsx_ev_motion), IIO_CHAN_SOFT_TIMESTAMP(3), }; =20 --=20 2.39.5