Re: [PATCH V4 4/8] backlight: qcom-wled: Rename PM8941* to WLED3

Daniel Thompson
2018-07-20T13:23:17Z

On 09/07/18 11:22, Kiran Gunda wrote:
> Rename the PM8941* references as WLED3 to make the
> driver generic and have WLED support for other PMICs.
>
> Signed-off-by: Kiran Gunda <kgunda@codeaurora.org>
> ---
> Changes from V3:
> - Changed the MODULE_DESCRIPTION
>
> drivers/video/backlight/qcom-wled.c | 248 ++++++++++++++++++------------------
> 1 file changed, 125 insertions(+), 123 deletions(-)
>
> diff --git a/drivers/video/backlight/qcom-wled.c b/drivers/video/backlight/qcom-wled.c
> index 0b6d219..3cd6e75 100644
> --- a/drivers/video/backlight/qcom-wled.c
> +++ b/drivers/video/backlight/qcom-wled.c
> @@ -18,77 +18,79 @@
> #include <linux/regmap.h>
>
> /* From DT binding */
> -#define PM8941_WLED_DEFAULT_BRIGHTNESS 2048
> +#define WLED_DEFAULT_BRIGHTNESS 2048
>
> -#define PM8941_WLED_REG_VAL_BASE 0x40
> -#define PM8941_WLED_REG_VAL_MAX 0xFFF
> +#define WLED3_SINK_REG_BRIGHT_MAX 0xFFF
> +#define WLED3_CTRL_REG_VAL_BASE 0x40
>
> -#define PM8941_WLED_REG_MOD_EN 0x46
> -#define PM8941_WLED_REG_MOD_EN_BIT BIT(7)
> -#define PM8941_WLED_REG_MOD_EN_MASK BIT(7)
> +/* WLED3 control registers */
> +#define WLED3_CTRL_REG_MOD_EN 0x46
> +#define WLED3_CTRL_REG_MOD_EN_BIT BIT(7)
> +#define WLED3_CTRL_REG_MOD_EN_MASK BIT(7)
>
> -#define PM8941_WLED_REG_SYNC 0x47
> -#define PM8941_WLED_REG_SYNC_MASK 0x07
> -#define PM8941_WLED_REG_SYNC_LED1 BIT(0)
> -#define PM8941_WLED_REG_SYNC_LED2 BIT(1)
> -#define PM8941_WLED_REG_SYNC_LED3 BIT(2)
> -#define PM8941_WLED_REG_SYNC_ALL 0x07
> -#define PM8941_WLED_REG_SYNC_CLEAR 0x00
> +#define WLED3_CTRL_REG_FREQ 0x4c
> +#define WLED3_CTRL_REG_FREQ_MASK 0x0f
>
> -#define PM8941_WLED_REG_FREQ 0x4c
> -#define PM8941_WLED_REG_FREQ_MASK 0x0f
> +#define WLED3_CTRL_REG_OVP 0x4d
> +#define WLED3_CTRL_REG_OVP_MASK 0x03
>
> -#define PM8941_WLED_REG_OVP 0x4d
> -#define PM8941_WLED_REG_OVP_MASK 0x03
> +#define WLED3_CTRL_REG_ILIMIT 0x4e
> +#define WLED3_CTRL_REG_ILIMIT_MASK 0x07
>
> -#define PM8941_WLED_REG_BOOST 0x4e
> -#define PM8941_WLED_REG_BOOST_MASK 0x07
> +/* WLED3 sink registers */
> +#define WLED3_SINK_REG_SYNC 0x47
> +#define WLED3_SINK_REG_SYNC_MASK 0x07
> +#define WLED3_SINK_REG_SYNC_LED1 BIT(0)
> +#define WLED3_SINK_REG_SYNC_LED2 BIT(1)
> +#define WLED3_SINK_REG_SYNC_LED3 BIT(2)
> +#define WLED3_SINK_REG_SYNC_ALL 0x07
> +#define WLED3_SINK_REG_SYNC_CLEAR 0x00
>
> -#define PM8941_WLED_REG_SINK 0x4f
> -#define PM8941_WLED_REG_SINK_MASK 0xe0
> -#define PM8941_WLED_REG_SINK_SHFT 0x05
> +#define WLED3_SINK_REG_CURR_SINK 0x4f
> +#define WLED3_SINK_REG_CURR_SINK_MASK 0xe0
> +#define WLED3_SINK_REG_CURR_SINK_SHFT 0x05
>
> -/* Per-'string' registers below */
> -#define PM8941_WLED_REG_STR_OFFSET 0x10
> +/* WLED3 per-'string' registers below */
> +#define WLED3_SINK_REG_STR_OFFSET 0x10
>
> -#define PM8941_WLED_REG_STR_MOD_EN_BASE 0x60
> -#define PM8941_WLED_REG_STR_MOD_MASK BIT(7)
> -#define PM8941_WLED_REG_STR_MOD_EN BIT(7)
> +#define WLED3_SINK_REG_STR_MOD_EN_BASE 0x60
> +#define WLED3_SINK_REG_STR_MOD_MASK BIT(7)
> +#define WLED3_SINK_REG_STR_MOD_EN BIT(7)
>
> -#define PM8941_WLED_REG_STR_SCALE_BASE 0x62
> -#define PM8941_WLED_REG_STR_SCALE_MASK 0x1f
> +#define WLED3_SINK_REG_STR_FULL_SCALE_CURR 0x62
> +#define WLED3_SINK_REG_STR_FULL_SCALE_CURR_MASK 0x1f
>
> -#define PM8941_WLED_REG_STR_MOD_SRC_BASE 0x63
> -#define PM8941_WLED_REG_STR_MOD_SRC_MASK 0x01
> -#define PM8941_WLED_REG_STR_MOD_SRC_INT 0x00
> -#define PM8941_WLED_REG_STR_MOD_SRC_EXT 0x01
> +#define WLED3_SINK_REG_STR_MOD_SRC_BASE 0x63
> +#define WLED3_SINK_REG_STR_MOD_SRC_MASK 0x01
> +#define WLED3_SINK_REG_STR_MOD_SRC_INT 0x00
> +#define WLED3_SINK_REG_STR_MOD_SRC_EXT 0x01
>
> -#define PM8941_WLED_REG_STR_CABC_BASE 0x66
> -#define PM8941_WLED_REG_STR_CABC_MASK BIT(7)
> -#define PM8941_WLED_REG_STR_CABC_EN BIT(7)
> +#define WLED3_SINK_REG_STR_CABC_BASE 0x66
> +#define WLED3_SINK_REG_STR_CABC_MASK BIT(7)
> +#define WLED3_SINK_REG_STR_CABC_EN BIT(7)
>
> -struct pm8941_wled_config {
> - u32 i_boost_limit;
> +struct wled_config {
> + u32 boost_i_limit;
> u32 ovp;
> u32 switch_freq;
> u32 num_strings;
> - u32 i_limit;
> + u32 string_i_limit;

This patch implements a grand renaming and I have no objections to
including change for boost_i_limit and string_i_limit in it. I'd prefer
it to be mentioned in the patch header though.

Once that is done:

Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>