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Date: Mon, 4 Jan 2010 18:17:46 +0000 From: Mark Brown <broonie@...nsource.wolfsonmicro.com> To: Liam Girdwood <lrg@...mlogic.co.uk> Cc: linux-kernel@...r.kernel.org, Mark Brown <broonie@...nsource.wolfsonmicro.com> Subject: [PATCH 3/3] regulator: Implement enable_time() for WM835x ISINKs Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com> --- drivers/regulator/wm8350-regulator.c | 46 ++++++++++++++++++++++++++++++++++ 1 files changed, 46 insertions(+), 0 deletions(-) diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c index 1bbff09..927e735 100644 --- a/drivers/regulator/wm8350-regulator.c +++ b/drivers/regulator/wm8350-regulator.c @@ -290,6 +290,51 @@ static int wm8350_isink_is_enabled(struct regulator_dev *rdev) return -EINVAL; } +static int wm8350_isink_enable_time(struct regulator_dev *rdev) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int isink = rdev_get_id(rdev); + int reg; + + switch (isink) { + case WM8350_ISINK_A: + reg = wm8350_reg_read(wm8350, WM8350_CSA_FLASH_CONTROL); + break; + case WM8350_ISINK_B: + reg = wm8350_reg_read(wm8350, WM8350_CSB_FLASH_CONTROL); + break; + default: + return -EINVAL; + } + + if (reg & WM8350_CS1_FLASH_MODE) { + switch (reg & WM8350_CS1_ON_RAMP_MASK) { + case 0: + return 0; + case 1: + return 1950; + case 2: + return 3910; + case 3: + return 7800; + } + } else { + switch (reg & WM8350_CS1_ON_RAMP_MASK) { + case 0: + return 0; + case 1: + return 250000; + case 2: + return 500000; + case 3: + return 1000000; + } + } + + return -EINVAL; +} + + int wm8350_isink_set_flash(struct wm8350 *wm8350, int isink, u16 mode, u16 trigger, u16 duration, u16 on_ramp, u16 off_ramp, u16 drive) @@ -1221,6 +1266,7 @@ static struct regulator_ops wm8350_isink_ops = { .enable = wm8350_isink_enable, .disable = wm8350_isink_disable, .is_enabled = wm8350_isink_is_enabled, + .enable_time = wm8350_isink_enable_time, }; static struct regulator_desc wm8350_reg[NUM_WM8350_REGULATORS] = { -- 1.6.5.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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