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| author |   Moses Christopher Bollavarapu <mosescb.dev@gmail.com> | 2022-04-19 22:20:50 +0200 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-05-17 09:16:31 +0200 |
| commit | f0de79f6b78a233b39cc90ede59d829df350d735 (patch) | |
| tree | 2c1a21c4e095a7791308f71d8f42bb0c4baa1c82 /drivers/media | |
| parent | media: i2c: video-i2c: Move defines to the top of the file (diff) | |
| download | linux-dev-f0de79f6b78a233b39cc90ede59d829df350d735.tar.xz linux-dev-f0de79f6b78a233b39cc90ede59d829df350d735.zip | |
media: i2c: video-i2c: Replace constants with proper names
Acc to MLX90640 datasheet:
- 0x0400 represents the start of RAM address
- 0x2400 represents the start of EEPROM address
Reference: https://www.melexis.com/-/media/files/documents\
/datasheets/mlx90640-datasheet-melexis.pdf
Signed-off-by: Moses Christopher Bollavarapu <mosescb.dev@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/i2c/video-i2c.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/media/i2c/video-i2c.c b/drivers/media/i2c/video-i2c.c index b3fe9a507f7f..1d5f48329cb2 100644 --- a/drivers/media/i2c/video-i2c.c +++ b/drivers/media/i2c/video-i2c.c @@ -54,6 +54,12 @@ /* Temperature register */ #define AMG88XX_REG_T01L 0x80 +/* RAM */ +#define MLX90640_RAM_START_ADDR 0x0400 + +/* EEPROM */ +#define MLX90640_EEPROM_START_ADDR 0x2400 + /* Control register */ #define MLX90640_REG_CTL1 0x800d #define MLX90640_REG_CTL1_MASK 0x0380 @@ -149,7 +155,7 @@ static int mlx90640_nvram_read(void *priv, unsigned int offset, void *val, { struct video_i2c_data *data = priv; - return regmap_bulk_read(data->regmap, 0x2400 + offset, val, bytes); + return regmap_bulk_read(data->regmap, MLX90640_EEPROM_START_ADDR + offset, val, bytes); } static struct nvmem_config mlx90640_nvram_config = { @@ -168,7 +174,7 @@ static int amg88xx_xfer(struct video_i2c_data *data, char *buf) static int mlx90640_xfer(struct video_i2c_data *data, char *buf) { - return regmap_bulk_read(data->regmap, 0x400, buf, + return regmap_bulk_read(data->regmap, MLX90640_RAM_START_ADDR, buf, data->chip->buffer_size); } |