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mfd: Switch WM8350 revision detection to a feature based model

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Rather than check for chip revisions in the WM8350 drivers have the core
code set flags for relevant differences.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
This commit is contained in:
Mark Brown 2008-11-24 20:20:30 +01:00 committed by Samuel Ortiz
parent 14431aa0c5
commit d756f4a444
4 changed files with 5 additions and 7 deletions
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6
drivers/mfd/wm8350-core.c
View File

@ -1240,19 +1240,17 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq,
switch ((id2 & WM8350_CHIP_REV_MASK) >> 12) {
case WM8350_REV_E:
dev_info(wm8350->dev, "Found Rev E device\n");
wm8350->rev = WM8350_REV_E;
break;
case WM8350_REV_F:
dev_info(wm8350->dev, "Found Rev F device\n");
wm8350->rev = WM8350_REV_F;
break;
case WM8350_REV_G:
dev_info(wm8350->dev, "Found Rev G device\n");
wm8350->rev = WM8350_REV_G;
wm8350->power.rev_g_coeff = 1;
break;
case WM8350_REV_H:
dev_info(wm8350->dev, "Found Rev H device\n");
wm8350->rev = WM8350_REV_H;
wm8350->power.rev_g_coeff = 1;
break;
default:
/* For safety we refuse to run on unknown hardware */

2
drivers/power/wm8350_power.c
View File

@ -44,7 +44,7 @@ static int wm8350_read_usb_uvolts(struct wm8350 *wm8350)
static inline int wm8350_charge_time_min(struct wm8350 *wm8350, int min)
{
if (wm8350->rev < WM8350_REV_G)
if (!wm8350->power.rev_g_coeff)
return (((min - 30) / 15) & 0xf) << 8;
else
return (((min - 30) / 30) & 0xf) << 8;

2
include/linux/mfd/wm8350/core.h
View File

@ -585,8 +585,6 @@ struct wm8350_irq {
};
struct wm8350 {
int rev; /* chip revision */
struct device *dev;
/* device IO */

2
include/linux/mfd/wm8350/supply.h
View File

@ -127,6 +127,8 @@ struct wm8350_power {
struct power_supply usb;
struct power_supply ac;
struct wm8350_charger_policy *policy;
int rev_g_coeff;
};
#endif