From: Łukasz Majewski Date: Tue, 13 Nov 2012 03:21:52 +0000 (+0000) Subject: pmic:i2c: Handle PMIC I2C transmission comprising of two bytes X-Git-Tag: v2013.01-rc2~140^2~29 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=b5bf9cafea246a6572c122bb3971cb48f50fc9ce;p=oweals%2Fu-boot.git pmic:i2c: Handle PMIC I2C transmission comprising of two bytes This patch adds support for proper handling of a PMIC I2C transmission comprising of two bytes. Signed-off-by: Lukasz Majewski Signed-off-by: Kyungmin Park Cc: Stefano Babic --- diff --git a/drivers/misc/pmic_i2c.c b/drivers/misc/pmic_i2c.c index 95a3365b9f..e74c3727cd 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;