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author | Dave Airlie <airlied@redhat.com> | 2012-08-27 16:22:20 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2012-08-27 16:22:20 +1000 |
commit | 93bb70e0c00f1be4cc857e4d8375c44058cce71e (patch) | |
tree | 7b6a11844e00b3f4bf8281c7a799e61494220819 /drivers/regulator/gpio-regulator.c | |
parent | 6f314ebbaa2667d67a7206ba78f28e46cf47eda5 (diff) | |
parent | c182ae42cc3611f7b3fa803c0bcab6e5d29bea63 (diff) | |
download | op-kernel-dev-93bb70e0c00f1be4cc857e4d8375c44058cce71e.zip op-kernel-dev-93bb70e0c00f1be4cc857e4d8375c44058cce71e.tar.gz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
There was some merge conflicts in -next and they weren't so pretty, so
backmerge now to avoid them.
Conflicts:
drivers/gpu/drm/i915/i915_gem.c
drivers/gpu/drm/i915/intel_modes.c
Diffstat (limited to 'drivers/regulator/gpio-regulator.c')
-rw-r--r-- | drivers/regulator/gpio-regulator.c | 38 |
1 files changed, 26 insertions, 12 deletions
diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c index 34b67be..8b5944f 100644 --- a/drivers/regulator/gpio-regulator.c +++ b/drivers/regulator/gpio-regulator.c @@ -57,16 +57,17 @@ static int gpio_regulator_get_value(struct regulator_dev *dev) return -EINVAL; } -static int gpio_regulator_set_value(struct regulator_dev *dev, - int min, int max, unsigned *selector) +static int gpio_regulator_set_voltage(struct regulator_dev *dev, + int min_uV, int max_uV, + unsigned *selector) { struct gpio_regulator_data *data = rdev_get_drvdata(dev); int ptr, target = 0, state, best_val = INT_MAX; for (ptr = 0; ptr < data->nr_states; ptr++) if (data->states[ptr].value < best_val && - data->states[ptr].value >= min && - data->states[ptr].value <= max) { + data->states[ptr].value >= min_uV && + data->states[ptr].value <= max_uV) { target = data->states[ptr].gpios; best_val = data->states[ptr].value; if (selector) @@ -85,13 +86,6 @@ static int gpio_regulator_set_value(struct regulator_dev *dev, return 0; } -static int gpio_regulator_set_voltage(struct regulator_dev *dev, - int min_uV, int max_uV, - unsigned *selector) -{ - return gpio_regulator_set_value(dev, min_uV, max_uV, selector); -} - static int gpio_regulator_list_voltage(struct regulator_dev *dev, unsigned selector) { @@ -106,7 +100,27 @@ static int gpio_regulator_list_voltage(struct regulator_dev *dev, static int gpio_regulator_set_current_limit(struct regulator_dev *dev, int min_uA, int max_uA) { - return gpio_regulator_set_value(dev, min_uA, max_uA, NULL); + struct gpio_regulator_data *data = rdev_get_drvdata(dev); + int ptr, target = 0, state, best_val = 0; + + for (ptr = 0; ptr < data->nr_states; ptr++) + if (data->states[ptr].value > best_val && + data->states[ptr].value >= min_uA && + data->states[ptr].value <= max_uA) { + target = data->states[ptr].gpios; + best_val = data->states[ptr].value; + } + + if (best_val == 0) + return -EINVAL; + + for (ptr = 0; ptr < data->nr_gpios; ptr++) { + state = (target & (1 << ptr)) >> ptr; + gpio_set_value(data->gpios[ptr].gpio, state); + } + data->state = target; + + return 0; } static struct regulator_ops gpio_regulator_voltage_ops = { |