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dm: sandbox: pwm: add test for pwm_set_invert()

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Add test case for new interface set_invert().

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
Fix typo in subject and build error in sandbox_pwm_set_invert():
Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Kever Yang 2017-04-24 10:27:52 +08:00 committed by Simon Glass
parent 1df7ee573e
commit 5540e25aeb
2 changed files with 17 additions and 0 deletions
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16
drivers/pwm/sandbox_pwm.c
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@ -21,6 +21,7 @@ struct sandbox_pwm_chan {
uint period_ns; uint period_ns;
uint duty_ns; uint duty_ns;
bool enable; bool enable;
bool polarity;
}; };
struct sandbox_pwm_priv { struct sandbox_pwm_priv {
@ -56,9 +57,24 @@ static int sandbox_pwm_set_enable(struct udevice *dev, uint channel,
return 0; return 0;
} }
static int sandbox_pwm_set_invert(struct udevice *dev, uint channel,
bool polarity)
{
struct sandbox_pwm_priv *priv = dev_get_priv(dev);
struct sandbox_pwm_chan *chan;
if (channel >= NUM_CHANNELS)
return -ENOSPC;
chan = &priv->chan[channel];
chan->polarity = polarity;
return 0;
}
static const struct pwm_ops sandbox_pwm_ops = { static const struct pwm_ops sandbox_pwm_ops = {
.set_config = sandbox_pwm_set_config, .set_config = sandbox_pwm_set_config,
.set_enable = sandbox_pwm_set_enable, .set_enable = sandbox_pwm_set_enable,
.set_invert = sandbox_pwm_set_invert,
}; };
static const struct udevice_id sandbox_pwm_ids[] = { static const struct udevice_id sandbox_pwm_ids[] = {

1
test/dm/pwm.c
View File

@ -23,6 +23,7 @@ static int dm_test_pwm_base(struct unit_test_state *uts)
ut_assertok(pwm_set_enable(dev, 1, true)); ut_assertok(pwm_set_enable(dev, 1, true));
ut_assertok(pwm_set_enable(dev, 2, true)); ut_assertok(pwm_set_enable(dev, 2, true));
ut_asserteq(-ENOSPC, pwm_set_enable(dev, 3, true)); ut_asserteq(-ENOSPC, pwm_set_enable(dev, 3, true));
ut_assertok(pwm_set_invert(dev, 0, true));
ut_assertok(uclass_get_device(UCLASS_PWM, 1, &dev)); ut_assertok(uclass_get_device(UCLASS_PWM, 1, &dev));
ut_asserteq(-ENODEV, uclass_get_device(UCLASS_PWM, 2, &dev)); ut_asserteq(-ENODEV, uclass_get_device(UCLASS_PWM, 2, &dev));