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

From: kgunda
Date: Mon Jul 23 2018 - 01:55:18 EST


On 2018-07-20 18:53, Daniel Thompson wrote:
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@xxxxxxxxxxxxxx>
---
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@xxxxxxxxxx>
Thanks Daneil. I will include it in the patch header in next series.