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From: Lukasz Majewski <l.majewski@samsung.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v3 01/24] pmic:i2c: Handle PMIC I2C transmission comprising of two bytes
Date: Fri, 19 Oct 2012 17:43:48 +0200	[thread overview]
Message-ID: <1350661451-1273-2-git-send-email-l.majewski@samsung.com> (raw)
In-Reply-To: <1350661451-1273-1-git-send-email-l.majewski@samsung.com>

This patch adds support for proper handling of a PMIC I2C transmission
comprising of two bytes.

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Stefano Babic <sbabic@denx.de>
---
Changes for v2:
- None
Changes for v3:
- None
---
 drivers/misc/pmic_i2c.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/drivers/misc/pmic_i2c.c b/drivers/misc/pmic_i2c.c
index 95a3365..e74c372 100644
--- a/drivers/misc/pmic_i2c.c
+++ b/drivers/misc/pmic_i2c.c
@@ -44,6 +44,10 @@ int pmic_reg_write(struct pmic *p, u32 reg, u32 val)
 		buf[1] = (val >> 8) & 0xff;
 		buf[2] = val & 0xff;
 		break;
+	case 2:
+		buf[0] = (val >> 8) & 0xff;
+		buf[1] = val & 0xff;
+		break;
 	case 1:
 		buf[0] = val & 0xff;
 		break;
@@ -73,6 +77,9 @@ int pmic_reg_read(struct pmic *p, u32 reg, u32 *val)
 	case 3:
 		ret_val = buf[0] << 16 | buf[1] << 8 | buf[2];
 		break;
+	case 2:
+		ret_val = buf[0] << 8 | buf[1];
+		break;
 	case 1:
 		ret_val = buf[0];
 		break;
@@ -88,7 +95,7 @@ int pmic_reg_read(struct pmic *p, u32 reg, u32 *val)
 int pmic_probe(struct pmic *p)
 {
 	I2C_SET_BUS(p->bus);
-	debug("PMIC:%s probed!\n", p->name);
+	debug("Bus: %d PMIC:%s probed!\n", p->bus, p->name);
 	if (i2c_probe(pmic_i2c_addr)) {
 		printf("Can't find PMIC:%s\n", p->name);
 		return -1;
-- 
1.7.2.3

  reply	other threads:[~2012-10-19 15:43 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-19 15:43 [U-Boot] [PATCH v3 00/24] pmic: Redesign PMIC framework to support multiple instances of devices Lukasz Majewski
2012-10-19 15:43 ` Lukasz Majewski [this message]
2012-10-19 15:43 ` [U-Boot] [PATCH v3 02/24] pmic:i2c: Add I2C sensor byte order (big/little) to PMIC framework Lukasz Majewski
2012-10-19 15:43 ` [U-Boot] [PATCH v3 03/24] pmic:max8997: Switch the MAX8997 PMIC to be used with multibus I2C Lukasz Majewski
2012-10-19 15:43 ` [U-Boot] [PATCH v3 04/24] pmic: Extend PMIC framework to support multiple instances of PMIC devices Lukasz Majewski
2012-10-19 15:43 ` [U-Boot] [PATCH v3 05/24] pmic: Introduce power_init_board() method at ./lib/board.c file Lukasz Majewski
2012-10-19 15:43 ` [U-Boot] [PATCH v3 06/24] pmic: Enable power_board_init() support at TRATS Lukasz Majewski
2012-10-19 15:43 ` [U-Boot] [PATCH v3 07/24] pmic:chrg: Common information about charger and battery (power_chrg.h) Lukasz Majewski
2012-10-19 15:43 ` [U-Boot] [PATCH v3 08/24] pmic: Move pmic related code to ./drivers/power directory Lukasz Majewski
2012-10-26 21:25   ` Tom Rini
2012-10-27 21:01     ` Lukasz Majewski
2012-10-19 15:43 ` [U-Boot] [PATCH v3 09/24] pmic: Extend struct pmic to support battery and charger related operations Lukasz Majewski
2012-10-19 15:43 ` [U-Boot] [PATCH v3 10/24] pmic:battery: Support for Trats Battery at PMIC framework Lukasz Majewski
2012-10-19 15:43 ` [U-Boot] [PATCH v3 11/24] pmic:muic: Support for MUIC built into MAX8997 device Lukasz Majewski
2012-10-19 15:43 ` [U-Boot] [PATCH v3 12/24] pmic:fuel-gauge: Support for MAX17042 fuel-gauge Lukasz Majewski
2012-10-19 15:44 ` [U-Boot] [PATCH v3 13/24] pmic:max8997: Function for calculating LDO internal register value Lukasz Majewski
2012-10-19 15:44 ` [U-Boot] [PATCH v3 14/24] arm:trats:pmic: Default PMIC(MAX8997) initialization for Samsung's TRATS board Lukasz Majewski
2012-10-19 15:44 ` [U-Boot] [PATCH v3 15/24] arm:trats:pmic: Enable MUIC (MAX8997) at " Lukasz Majewski
2012-10-19 15:44 ` [U-Boot] [PATCH v3 16/24] arm:trats:pmic: Enable fuel-gauge (MAX17042) " Lukasz Majewski
2012-10-19 15:44 ` [U-Boot] [PATCH v3 17/24] arm:trats:pmic: Enable battery support " Lukasz Majewski
2012-10-19 15:44 ` [U-Boot] [PATCH v3 18/24] pmic:max8997: Support for MAX8997 internal charger control Lukasz Majewski
2012-10-19 15:44 ` [U-Boot] [PATCH v3 19/24] arm:trats:pmic: Power consumption reduction state for Samsung's TRATS board Lukasz Majewski
2012-10-19 15:44 ` [U-Boot] [PATCH v3 20/24] arm:trats:pmic: Support for charging battery at " Lukasz Majewski
2012-10-19 15:44 ` [U-Boot] [PATCH v3 21/24] pmic: Extend PMIC framework to support battery related commands Lukasz Majewski
2012-10-19 15:44 ` [U-Boot] [PATCH v3 22/24] power:pmic: Rename ./drivers/power/pmic_* to ./drivers/power/power_* files Lukasz Majewski
2012-10-19 15:44 ` [U-Boot] [PATCH v3 23/24] power:pmic: Rename CONFIG_PMIC* defines to CONFIG_POWER Lukasz Majewski
2012-10-19 15:44 ` [U-Boot] [PATCH v3 24/24] power:pmic: Rename CONFIG_DIALOG_PMIC defines to CONFIG_DIALOG_POWER Lukasz Majewski
2012-10-26  7:29 ` [U-Boot] [PATCH v3 00/24] pmic: Redesign PMIC framework to support multiple instances of devices Lukasz Majewski
2012-10-26 10:34   ` Stefano Babic
2012-10-26 10:43     ` Lukasz Majewski
2012-10-26 17:32       ` Tom Rini

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