From: Claudiu Beznea <Claudiu.Beznea@microchip.com>
To: Sean Young <sean@mess.org>
Cc: <thierry.reding@gmail.com>, <shc_work@mail.ru>,
<kgene@kernel.org>, <krzk@kernel.org>, <linux@armlinux.org.uk>,
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Subject: Re: [PATCH v3 05/10] pwm: add PWM mode to pwm_config()
Date: Thu, 22 Feb 2018 15:23:40 +0200 [thread overview]
Message-ID: <8d0f25e6-3bbf-cbbc-7eef-abde0127f2bc@microchip.com> (raw)
In-Reply-To: <20180222130131.46fcuurp4h6dc7wb@gofer.mess.org>
On 22.02.2018 15:01, Sean Young wrote:
> On Thu, Feb 22, 2018 at 02:01:16PM +0200, Claudiu Beznea wrote:
>> Add PWM mode to pwm_config() function. The drivers which uses pwm_config()
>> were adapted to this change.
>>
>> Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
>> ---
>
> -snip-
>
>> diff --git a/drivers/media/rc/ir-rx51.c b/drivers/media/rc/ir-rx51.c
>> index 49265f02e772..a971b02ea021 100644
>> --- a/drivers/media/rc/ir-rx51.c
>> +++ b/drivers/media/rc/ir-rx51.c
>> @@ -55,10 +55,13 @@ static int init_timing_params(struct ir_rx51 *ir_rx51)
>> {
>> struct pwm_device *pwm = ir_rx51->pwm;
>> int duty, period = DIV_ROUND_CLOSEST(NSEC_PER_SEC, ir_rx51->freq);
>> + struct pwm_caps caps = { };
>>
>> duty = DIV_ROUND_CLOSEST(ir_rx51->duty_cycle * period, 100);
>>
>> - pwm_config(pwm, duty, period);
>> + pwm_get_caps(pwm->chip, pwm, &caps);
>> +
>> + pwm_config(pwm, duty, period, BIT(ffs(caps.modes) - 1));
>>
>> return 0;
>> }
>> diff --git a/drivers/media/rc/pwm-ir-tx.c b/drivers/media/rc/pwm-ir-tx.c
>> index 27d0f5837a76..c630e1b450a3 100644
>> --- a/drivers/media/rc/pwm-ir-tx.c
>> +++ b/drivers/media/rc/pwm-ir-tx.c
>> @@ -61,6 +61,7 @@ static int pwm_ir_tx(struct rc_dev *dev, unsigned int *txbuf,
>> {
>> struct pwm_ir *pwm_ir = dev->priv;
>> struct pwm_device *pwm = pwm_ir->pwm;
>> + struct pwm_caps caps = { };
>> int i, duty, period;
>> ktime_t edge;
>> long delta;
>> @@ -68,7 +69,9 @@ static int pwm_ir_tx(struct rc_dev *dev, unsigned int *txbuf,
>> period = DIV_ROUND_CLOSEST(NSEC_PER_SEC, pwm_ir->carrier);
>> duty = DIV_ROUND_CLOSEST(pwm_ir->duty_cycle * period, 100);
>>
>> - pwm_config(pwm, duty, period);
>> + pwm_get_caps(pwm->chip, pwm, &caps);
>> +
>> + pwm_config(pwm, duty, period, BIT(ffs(caps.modes) - 1));
>>
>> edge = ktime_get();
>>
>
> The two PWM rc-core drivers need PWM_MODE(NORMAL), not the first available
> mode that the device supports. If mode normal is not supported, then probe
> should fail.
OK, thank you for your inputs. I will address this in next version.
Thank you,
Claudiu Beznea
>
>
> Sean
>
next prev parent reply other threads:[~2018-02-22 13:23 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-22 12:01 [PATCH v3 00/10] extend PWM framework to support PWM modes Claudiu Beznea
2018-02-22 12:01 ` [PATCH v3 01/10] pwm: extend PWM framework with " Claudiu Beznea
2018-02-24 20:49 ` kbuild test robot
2018-02-26 8:11 ` Claudiu Beznea
2018-02-22 12:01 ` [PATCH v3 02/10] pwm: clps711x: populate PWM mode in of_xlate function Claudiu Beznea
2018-02-22 12:01 ` [PATCH v3 03/10] pwm: cros-ec: " Claudiu Beznea
2018-02-22 12:01 ` [PATCH v3 04/10] pwm: pxa: " Claudiu Beznea
2018-02-22 12:01 ` [PATCH v3 05/10] pwm: add PWM mode to pwm_config() Claudiu Beznea
2018-02-22 12:33 ` Daniel Thompson
2018-02-22 13:21 ` Claudiu Beznea
2018-02-26 9:57 ` Jani Nikula
2018-02-26 14:24 ` Claudiu Beznea
2018-02-27 10:54 ` Daniel Thompson
2018-02-27 11:40 ` Claudiu Beznea
2018-02-27 15:38 ` Daniel Thompson
2018-02-27 16:15 ` Claudiu Beznea
2018-02-22 13:01 ` Sean Young
2018-02-22 13:23 ` Claudiu Beznea [this message]
2018-02-28 19:44 ` Thierry Reding
2018-02-28 20:04 ` Jani Nikula
2018-03-02 9:28 ` Claudiu Beznea
2018-03-02 9:19 ` Claudiu Beznea
2018-02-22 12:01 ` [PATCH v3 06/10] pwm: add PWM modes Claudiu Beznea
2018-02-22 17:28 ` Andy Shevchenko
2018-02-22 17:42 ` Claudiu Beznea
2018-02-22 12:01 ` [PATCH v3 07/10] pwm: atmel: add pwm capabilities Claudiu Beznea
2018-02-22 12:01 ` [PATCH v3 08/10] pwm: add push-pull mode support Claudiu Beznea
2018-02-22 12:01 ` [PATCH v3 09/10] pwm: add documentation for pwm push-pull mode Claudiu Beznea
2018-02-22 12:01 ` [PATCH v3 10/10] pwm: atmel: add push-pull mode support Claudiu Beznea
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