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[104.57.184.186]) by smtp.gmail.com with ESMTPSA id z204sm205246oia.2.2021.04.30.06.41.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 Apr 2021 06:41:17 -0700 (PDT) Date: Fri, 30 Apr 2021 08:41:14 -0500 From: Bjorn Andersson To: Marijn Suijten Cc: linux-leds@vger.kernel.org, Pavel Machek , linux-kernel@vger.kernel.org Subject: Re: [PATCH] leds: ledtrig-pattern: Use last_repeat when applying hw pattern Message-ID: <20210430134114.GC2484@yoga> References: <20210418213427.220638-1-marijn.suijten@somainline.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210418213427.220638-1-marijn.suijten@somainline.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun 18 Apr 16:34 CDT 2021, Marijn Suijten wrote: > `last_repeat` holds the actual value requested by the user whereas > `repeat` is a software iteration variable that is unused in hardware > patterns. > > Furthermore `last_repeat` is the field returned to the user when reading > the `repeat` sysfs property. This field is initialized to `-1` which is > - together with `1` - the only valid value in the upcoming Qualcomm LPG > driver. It is thus unexpected when `repeat` with an initialization > value of `0` is passed into the the driver, when the sysfs property > clearly presents a value of `-1`. > Reviewed-by: Bjorn Andersson Tested-by: Bjorn Andersson Regards, Bjorn > Signed-off-by: Marijn Suijten > --- > drivers/leds/trigger/ledtrig-pattern.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/leds/trigger/ledtrig-pattern.c b/drivers/leds/trigger/ledtrig-pattern.c > index 4d138d5317e9..2853b75df338 100644 > --- a/drivers/leds/trigger/ledtrig-pattern.c > +++ b/drivers/leds/trigger/ledtrig-pattern.c > @@ -126,7 +126,8 @@ static int pattern_trig_start_pattern(struct led_classdev *led_cdev) > > if (data->is_hw_pattern) { > return led_cdev->pattern_set(led_cdev, data->patterns, > - data->npatterns, data->repeat); > + data->npatterns, > + data->last_repeat); > } > > /* At least 2 tuples for software pattern. */ > -- > 2.31.1 >