linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Wolfram Sang <w.sang@pengutronix.de>
To: alsa-devel@alsa-project.org
Cc: linux-kernel@vger.kernel.org,
	Mark Brown <broonie@opensource.wolfsonmicro.com>,
	Liam Girdwood <lrg@ti.com>, Lars-Peter Clausen <lars@metafoo.de>,
	Wolfram Sang <w.sang@pengutronix.de>
Subject: [PATCH 2/3] regmap: Add support for 2/6 register formating
Date: Fri, 27 Jan 2012 16:10:22 +0100	[thread overview]
Message-ID: <1327677023-29310-2-git-send-email-w.sang@pengutronix.de> (raw)
In-Reply-To: <1327677023-29310-1-git-send-email-w.sang@pengutronix.de>

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


  reply	other threads:[~2012-01-27 15:10 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-27 15:10 [PATCH 1/3] regmap: Properly round reg_bytes and val_bytes Wolfram Sang
2012-01-27 15:10 ` Wolfram Sang [this message]
2012-01-27 16:28   ` [PATCH 2/3] regmap: Add support for 2/6 register formating Mark Brown
2012-01-27 15:10 ` [PATCH 3/3] ASoC: codecs: add driver for max9768 amplifier Wolfram Sang
2012-01-27 16:25   ` Mark Brown
2012-01-30 21:54   ` [alsa-devel] " Mark Brown
2012-01-27 16:28 ` [PATCH 1/3] regmap: Properly round reg_bytes and val_bytes Mark Brown
2012-01-28  1:14   ` Wolfram Sang
2012-01-30 13:21     ` Mark Brown
2012-01-30 13:35       ` Wolfram Sang
2012-01-30 13:45         ` Mark Brown

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1327677023-29310-2-git-send-email-w.sang@pengutronix.de \
    --to=w.sang@pengutronix.de \
    --cc=alsa-devel@alsa-project.org \
    --cc=broonie@opensource.wolfsonmicro.com \
    --cc=lars@metafoo.de \
    --cc=linux-kernel@vger.kernel.org \
    --cc=lrg@ti.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).