From: Heiko St?bner <heiko@xxxxxxxxx> The pwm-states make it possible to also output the polarity, duty cycle and period information in the debugfs pwm summary-outout. This makes it easier to gather overview information about pwms without needing to walk through the sysfs attributes of every pwm. Signed-off-by: Heiko Stuebner <heiko at sntech.de> Signed-off-by: Boris Brezillon <boris.brezillon at free-electrons.com> --- drivers/pwm/core.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index ff3c662..7eba2f3 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -1018,6 +1018,11 @@ static void pwm_dbg_show(struct pwm_chip *chip, struct seq_file *s) if (pwm_is_enabled(pwm)) seq_puts(s, " enabled"); + seq_printf(s, " period:%uns", pwm_get_period(pwm)); + seq_printf(s, " duty:%uns", pwm_get_duty_cycle(pwm)); + seq_printf(s, " polarity:%s", pwm_get_polarity(pwm) ? "inverse" + : "normal"); + seq_puts(s, "\n"); } } -- 1.9.1
