Messages in this thread | | | Date | Wed, 17 Mar 2021 09:30:28 +0530 | From | kgunda@codeauro ... | Subject | Re: [PATCH] backlight: qcom-wled: Use sink_addr for sync toggle |
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On 2021-03-15 17:51, Daniel Thompson wrote: > On Sun, Mar 14, 2021 at 11:11:10AM +0100, Marijn Suijten wrote: >> From: Obeida Shamoun <oshmoun100@googlemail.com> >> >> WLED3_SINK_REG_SYNC is, as the name implies, a sink register offset. >> Therefore, use the sink address as base instead of the ctrl address. >> >> This fixes the sync toggle on wled4, which can be observed by the fact >> that adjusting brightness now works. >> >> It has no effect on wled3 because sink and ctrl base addresses are the >> same. This allows adjusting the brightness without having to disable >> then reenable the module. >> >> Signed-off-by: Obeida Shamoun <oshmoun100@googlemail.com> >> Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org> >> Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org> > > LGTM, although an acked-by from Kiran would be nice to have: > Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> > > > Daniel. > > Acked-by: Kiran Gunda <kgunda@codeaurora.org>
>> --- >> drivers/video/backlight/qcom-wled.c | 4 ++-- >> 1 file changed, 2 insertions(+), 2 deletions(-) >> >> diff --git a/drivers/video/backlight/qcom-wled.c >> b/drivers/video/backlight/qcom-wled.c >> index 091f07e7c145..fc8b443d10fd 100644 >> --- a/drivers/video/backlight/qcom-wled.c >> +++ b/drivers/video/backlight/qcom-wled.c >> @@ -336,13 +336,13 @@ static int wled3_sync_toggle(struct wled *wled) >> unsigned int mask = GENMASK(wled->max_string_count - 1, 0); >> >> rc = regmap_update_bits(wled->regmap, >> - wled->ctrl_addr + WLED3_SINK_REG_SYNC, >> + wled->sink_addr + WLED3_SINK_REG_SYNC, >> mask, mask); >> if (rc < 0) >> return rc; >> >> rc = regmap_update_bits(wled->regmap, >> - wled->ctrl_addr + WLED3_SINK_REG_SYNC, >> + wled->sink_addr + WLED3_SINK_REG_SYNC, >> mask, WLED3_SINK_REG_SYNC_CLEAR); >> >> return rc; >> -- >> 2.30.2 >>
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