diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-02-26 19:24:20 +0000 |
|---|---|---|
| committer | Liam Girdwood <lrg@slimlogic.co.uk> | 2009-03-31 09:56:24 +0100 |
| commit | 33f301af0c56971e3c0f4a4eb4b92f7e80230f49 (patch) | |
| tree | 85235e51a9fc329e9cff8de9ac26cc053ac42a98 /drivers/regulator | |
| parent | a308466c24b4f42bab6945026e938874d22cde50 (diff) | |
| download | linux-33f301af0c56971e3c0f4a4eb4b92f7e80230f49.tar.bz2 | |
regulator: Fix get_mode() for WM835x DCDCs
The WM835x regulators need a different register checking for force
mode on each DCDC. Previously the force mode status for DCDC1 was
checked.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/wm8350-regulator.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c index 93e0ce5a5c23..261db94e0e7b 100644 --- a/drivers/regulator/wm8350-regulator.c +++ b/drivers/regulator/wm8350-regulator.c @@ -1031,18 +1031,30 @@ static unsigned int wm8350_dcdc_get_mode(struct regulator_dev *rdev) int dcdc = rdev_get_id(rdev); u16 mask, sleep, active, force; int mode = REGULATOR_MODE_NORMAL; + int reg; - if (dcdc < WM8350_DCDC_1 || dcdc > WM8350_DCDC_6) - return -EINVAL; - - if (dcdc == WM8350_DCDC_2 || dcdc == WM8350_DCDC_5) + switch (dcdc) { + case WM8350_DCDC_1: + reg = WM8350_DCDC1_FORCE_PWM; + break; + case WM8350_DCDC_3: + reg = WM8350_DCDC3_FORCE_PWM; + break; + case WM8350_DCDC_4: + reg = WM8350_DCDC4_FORCE_PWM; + break; + case WM8350_DCDC_6: + reg = WM8350_DCDC6_FORCE_PWM; + break; + default: return -EINVAL; + } mask = 1 << (dcdc - WM8350_DCDC_1); active = wm8350_reg_read(wm8350, WM8350_DCDC_ACTIVE_OPTIONS) & mask; + force = wm8350_reg_read(wm8350, reg) & WM8350_DCDC1_FORCE_PWM_ENA; sleep = wm8350_reg_read(wm8350, WM8350_DCDC_SLEEP_OPTIONS) & mask; - force = wm8350_reg_read(wm8350, WM8350_DCDC1_FORCE_PWM) - & WM8350_DCDC1_FORCE_PWM_ENA; + dev_dbg(wm8350->dev, "mask %x active %x sleep %x force %x", mask, active, sleep, force); |