diff options
Diffstat (limited to 'drivers/clk/clk-pwm.c')
| -rw-r--r-- | drivers/clk/clk-pwm.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/clk/clk-pwm.c b/drivers/clk/clk-pwm.c index 5f0490b8f6cb..87fe0b0e01a3 100644 --- a/drivers/clk/clk-pwm.c +++ b/drivers/clk/clk-pwm.c @@ -44,10 +44,24 @@ static unsigned long clk_pwm_recalc_rate(struct clk_hw *hw, return clk_pwm->fixed_rate; } +static int clk_pwm_get_duty_cycle(struct clk_hw *hw, struct clk_duty *duty) +{ + struct clk_pwm *clk_pwm = to_clk_pwm(hw); + struct pwm_state state; + + pwm_get_state(clk_pwm->pwm, &state); + + duty->num = state.duty_cycle; + duty->den = state.period; + + return 0; +} + static const struct clk_ops clk_pwm_ops = { .prepare = clk_pwm_prepare, .unprepare = clk_pwm_unprepare, .recalc_rate = clk_pwm_recalc_rate, + .get_duty_cycle = clk_pwm_get_duty_cycle, }; static int clk_pwm_probe(struct platform_device *pdev) |