lkml.org 
[lkml]   [2012]   [Jan]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2/3] regmap: Add support for 2/6 register formating
Date
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
---
drivers/base/regmap/regmap.c | 18 ++++++++++++++++++
1 files changed, 18 insertions(+), 0 deletions(-)

diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 8bd0232..fb3c132 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -76,6 +76,14 @@ static bool regmap_volatile_range(struct regmap *map, unsigned int reg,
return true;
}

+static void regmap_format_2_6_write(struct regmap *map,
+ unsigned int reg, unsigned int val)
+{
+ u8 *out = map->work_buf;
+
+ *out = (reg << 6) | val;
+}
+
static void regmap_format_4_12_write(struct regmap *map,
unsigned int reg, unsigned int val)
{
@@ -178,6 +186,16 @@ struct regmap *regmap_init(struct device *dev,
}

switch (config->reg_bits) {
+ case 2:
+ switch (config->val_bits) {
+ case 6:
+ map->format.format_write = regmap_format_2_6_write;
+ break;
+ default:
+ goto err_map;
+ }
+ break;
+
case 4:
switch (config->val_bits) {
case 12:
--
1.7.8.3


\
 
 \ /
  Last update: 2012-01-27 16:13    [W:0.079 / U:0.264 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site