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iio: chemical: scd30: make command lookup table const

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scd30_i2c_cmd_lookup_tbl contains fixed opcodes and is
only read by scd30_i2c_command(). Make it const to document that it's immutable
and allow it to be placed in read-only memory.

Signed-off-by: Giorgi Tchankvetadze <giorgitchankvetadze1997@gmail.com>
Reviewed-by: Stepan Ionichev <sozdayvek@gmail.com>
Acked-by: Maxwell Doose <m32285159@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Giorgi Tchankvetadze 2026-05-08 17:39:17 +04:00 committed by Jonathan Cameron
parent 49d7edc9bd
commit ae008f6539
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/chemical/scd30_i2c.c
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@ -20,7 +20,7 @@
#define SCD30_I2C_MAX_BUF_SIZE 18
#define SCD30_I2C_CRC8_POLYNOMIAL 0x31
static u16 scd30_i2c_cmd_lookup_tbl[] = {
static const u16 scd30_i2c_cmd_lookup_tbl[] = {
[CMD_START_MEAS] = 0x0010,
[CMD_STOP_MEAS] = 0x0104,
[CMD_MEAS_INTERVAL] = 0x4600,