* [PATCH] mfd: wm5110: Add register patch for rev D chip
@ 2013-11-19 10:50 Charles Keepax
2013-11-19 14:43 ` Lee Jones
0 siblings, 1 reply; 2+ messages in thread
From: Charles Keepax @ 2013-11-19 10:50 UTC (permalink / raw)
To: lee.jones; +Cc: sameo, patches, linux-kernel, Charles Keepax
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
---
drivers/mfd/wm5110-tables.c | 30 +++++++++++++++++++++++++++++-
1 files changed, 29 insertions(+), 1 deletions(-)
diff --git a/drivers/mfd/wm5110-tables.c b/drivers/mfd/wm5110-tables.c
index daf2fe8..bd9c3c9 100644
--- a/drivers/mfd/wm5110-tables.c
+++ b/drivers/mfd/wm5110-tables.c
@@ -223,6 +223,31 @@ static const struct reg_default wm5110_revb_patch[] = {
{ 0x80, 0x0 },
};
+static const struct reg_default wm5110_revd_patch[] = {
+ { 0x80, 0x3 },
+ { 0x80, 0x3 },
+ { 0x393, 0x27 },
+ { 0x394, 0x27 },
+ { 0x395, 0x27 },
+ { 0x396, 0x27 },
+ { 0x397, 0x27 },
+ { 0x398, 0x26 },
+ { 0x221, 0x90 },
+ { 0x211, 0x8 },
+ { 0x36c, 0x1fb },
+ { 0x26e, 0x64 },
+ { 0x26f, 0xea },
+ { 0x270, 0x1f16 },
+ { 0x51b, 0x1 },
+ { 0x55b, 0x1 },
+ { 0x59b, 0x1 },
+ { 0x4f0, 0x633 },
+ { 0x441, 0xc059 },
+ { 0x209, 0x27 },
+ { 0x80, 0x0 },
+ { 0x80, 0x0 },
+};
+
/* We use a function so we can use ARRAY_SIZE() */
int wm5110_patch(struct arizona *arizona)
{
@@ -235,7 +260,10 @@ int wm5110_patch(struct arizona *arizona)
return regmap_register_patch(arizona->regmap,
wm5110_revb_patch,
ARRAY_SIZE(wm5110_revb_patch));
-
+ case 3:
+ return regmap_register_patch(arizona->regmap,
+ wm5110_revd_patch,
+ ARRAY_SIZE(wm5110_revd_patch));
default:
return 0;
}
--
1.7.2.5
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] mfd: wm5110: Add register patch for rev D chip
2013-11-19 10:50 [PATCH] mfd: wm5110: Add register patch for rev D chip Charles Keepax
@ 2013-11-19 14:43 ` Lee Jones
0 siblings, 0 replies; 2+ messages in thread
From: Lee Jones @ 2013-11-19 14:43 UTC (permalink / raw)
To: Charles Keepax; +Cc: sameo, patches, linux-kernel
I think we're lacking of a commit message here.
What does it do? Why do we need it? What would happen if we didn't
have it? Why does it differ between revs? Etc etc ... ?
> Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
> ---
> drivers/mfd/wm5110-tables.c | 30 +++++++++++++++++++++++++++++-
> 1 files changed, 29 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/mfd/wm5110-tables.c b/drivers/mfd/wm5110-tables.c
> index daf2fe8..bd9c3c9 100644
> --- a/drivers/mfd/wm5110-tables.c
> +++ b/drivers/mfd/wm5110-tables.c
> @@ -223,6 +223,31 @@ static const struct reg_default wm5110_revb_patch[] = {
> { 0x80, 0x0 },
> };
>
> +static const struct reg_default wm5110_revd_patch[] = {
> + { 0x80, 0x3 },
> + { 0x80, 0x3 },
> + { 0x393, 0x27 },
> + { 0x394, 0x27 },
> + { 0x395, 0x27 },
> + { 0x396, 0x27 },
> + { 0x397, 0x27 },
> + { 0x398, 0x26 },
> + { 0x221, 0x90 },
> + { 0x211, 0x8 },
> + { 0x36c, 0x1fb },
> + { 0x26e, 0x64 },
> + { 0x26f, 0xea },
> + { 0x270, 0x1f16 },
> + { 0x51b, 0x1 },
> + { 0x55b, 0x1 },
> + { 0x59b, 0x1 },
> + { 0x4f0, 0x633 },
> + { 0x441, 0xc059 },
> + { 0x209, 0x27 },
> + { 0x80, 0x0 },
> + { 0x80, 0x0 },
> +};
> +
> /* We use a function so we can use ARRAY_SIZE() */
> int wm5110_patch(struct arizona *arizona)
> {
> @@ -235,7 +260,10 @@ int wm5110_patch(struct arizona *arizona)
> return regmap_register_patch(arizona->regmap,
> wm5110_revb_patch,
> ARRAY_SIZE(wm5110_revb_patch));
What happened to rev C?
> -
> + case 3:
Perhaps we should consider #define'ing these?
> + return regmap_register_patch(arizona->regmap,
> + wm5110_revd_patch,
> + ARRAY_SIZE(wm5110_revd_patch));
> default:
> return 0;
> }
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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