From: Heiko Stübner heiko@sntech.de
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@sntech.de Signed-off-by: Boris Brezillon boris.brezillon@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 c2b1569..9a83840 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -894,6 +894,11 @@ static void pwm_dbg_show(struct pwm_chip *chip, struct seq_file *s) if (pstate.enabled) seq_puts(s, " enabled");
+ seq_printf(s, " period:%uns", pstate.period); + seq_printf(s, " duty:%uns", pstate.duty_cycle); + seq_printf(s, " polarity:%s", + pstate.polarity ? "inverse" : "normal"); + seq_puts(s, "\n"); } }