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8 Commits

Author SHA1 Message Date
Lothar Rubusch
ec489d9157 iio: accel: adxl313: make use of regmap cache 
Setup regmap cache to cache register configuration, reducing bus traffic
for repeated accesses to non volatile registers.

Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20250702230819.19353-2-l.rubusch@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2025-07-13 15:36:26 +01:00
Peter Zijlstra
cdd30ebb1b module: Convert symbol namespace to string literal 
Clean up the existing export namespace code along the same lines of
commit 33def8498f ("treewide: Convert macro and uses of __section(foo)
to __section("foo")") and for the same reason, it is not desired for the
namespace argument to be a macro expansion itself.

Scripted using

  git grep -l -e MODULE_IMPORT_NS -e EXPORT_SYMBOL_NS | while read file;
  do
    awk -i inplace '
      /^#define EXPORT_SYMBOL_NS/ {
        gsub(/__stringify\(ns\)/, "ns");
        print;
        next;
      }
      /^#define MODULE_IMPORT_NS/ {
        gsub(/__stringify\(ns\)/, "ns");
        print;
        next;
      }
      /MODULE_IMPORT_NS/ {
        $0 = gensub(/MODULE_IMPORT_NS\(([^)]*)\)/, "MODULE_IMPORT_NS(\"\\1\")", "g");
      }
      /EXPORT_SYMBOL_NS/ {
        if ($0 ~ /(EXPORT_SYMBOL_NS[^(]*)\(([^,]+),/) {
  	if ($0 !~ /(EXPORT_SYMBOL_NS[^(]*)\(([^,]+), ([^)]+)\)/ &&
  	    $0 !~ /(EXPORT_SYMBOL_NS[^(]*)\(\)/ &&
  	    $0 !~ /^my/) {
  	  getline line;
  	  gsub(/[[:space:]]*\\$/, "");
  	  gsub(/[[:space:]]/, "", line);
  	  $0 = $0 " " line;
  	}

  	$0 = gensub(/(EXPORT_SYMBOL_NS[^(]*)\(([^,]+), ([^)]+)\)/,
  		    "\\1(\\2, \"\\3\")", "g");
        }
      }
      { print }' $file;
  done

Requested-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://mail.google.com/mail/u/2/#inbox/FMfcgzQXKWgMmjdFwwdsfgxzKpVHWPlc
Acked-by: Greg KH <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2024-12-02 11:34:44 -08:00
Biju Das
579f6b003a iio: accel: adxl313: Use i2c_get_match_data 
Replace device_get_match_data() and i2c_match_id() by i2c_get_match
_data() as we have similar I2C and DT-based matching table.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230725171624.331283-3-biju.das.jz@bp.renesas.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2023-07-29 12:30:39 +01:00
Biju Das
f636554c4c iio: accel: adxl313: Fix adxl313_i2c_id[] table 
The .driver_data in adxl313_i2c_id[] for adxl312 and adxl314 is
wrong. Fix this issue by adding corresponding adxl31x_chip_info
data.

Reported-by: Jonathan Cameron <jic23@kernel.org>
Closes: https://lore.kernel.org/all/20230722172832.04ad7738@jic23-huawei
Fixes: a7a1c60bc4 ("drivers: iio: accel: adxl312 and adxl314 support")
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230725171624.331283-2-biju.das.jz@bp.renesas.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2023-07-29 12:30:39 +01:00
Uwe Kleine-König
7cf15f4275 iio: Switch i2c drivers back to use .probe() 
After commit b8a1a4cd5a ("i2c: Provide a temporary .probe_new()
call-back type"), all drivers being converted to .probe_new() and then
03c835f498 ("i2c: Switch .probe() to not take an id parameter") convert
back to (the new) .probe() to be able to eventually drop .probe_new() from
struct i2c_driver.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20230515205048.19561-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2023-05-21 18:54:53 +01:00
George Mois
a7a1c60bc4 drivers: iio: accel: adxl312 and adxl314 support 
ADXL312 and ADXL314 are small, thin, low power, 3-axis accelerometers
with high resolution (13-bit) measurement up to +/-12 g and +/- 200 g
respectively.

Implement support for ADXL312 and ADXL314 by extending the ADXL313
driver.

Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ADXL312.pdf
Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ADXL314.pdf
Signed-off-by: George Mois <george.mois@analog.com>
Link: https://lore.kernel.org/r/20220905132018.364900-2-george.mois@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2022-09-21 18:42:53 +01:00
Jonathan Cameron
fa4df5a903 iio:accel:adxl313: Move exports into IIO_ADXL313 namespace 
In order to avoid unnecessary pollution of the global symbol namespace
move the driver core exports into their own namespace and import
that into the two bus modules.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Lucas Stankus <lucas.p.stankus@gmail.com>
Link: https://lore.kernel.org/r/20220116180535.2367780-6-jic23@kernel.org
 2022-02-18 11:36:54 +00:00
Lucas Stankus
636d446330 iio: accel: Add driver support for ADXL313 
ADXL313 is a small, thin, low power, 3-axis accelerometer with high
resolution measurement up to +/-4g. It includes an integrated 32-level
FIFO and has activity and inactivity sensing capabilities.

Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ADXL313.pdf
Signed-off-by: Lucas Stankus <lucas.p.stankus@gmail.com>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/d16e2d1967e46bb2b1024b6d23bc4889da77dc6b.1630523106.git.lucas.p.stankus@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-09-14 12:00:35 +01:00