From mboxrd@z Thu Jan 1 00:00:00 1970 From: josh.wu@atmel.com (Josh Wu) Date: Fri, 18 Sep 2015 19:13:59 +0800 Subject: [PATCH v3] media: atmel-isi: parse the DT parameters for vsync/hsync/pixclock polarity In-Reply-To: References: <1438681069-16981-1-git-send-email-josh.wu@atmel.com> <3317317.RTpCstaHHn@avalon> <55FBD76C.1040303@atmel.com> Message-ID: <55FBF1F7.1090904@atmel.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, Guennadi On 9/18/2015 5:44 PM, Guennadi Liakhovetski wrote: > Hi Nicolas, > > Patch handling is on my todo for the coming weekend... Beside this patch, Atmel-isi still have server other patches in the patchwork for a long time. So some patch may need to rebase. Just for your convenience I create a branch here: https://github.com/JoshWu/linux-at91/commits/atmel-isi-v4.3, which collected all the Atmel-isi patches that still not merged. You can take it as a reference. Of cause, if you want I can sent out a pull request for it. thanks. Best Regards, Josh Wu > > Thanks > Guennadi > > On Fri, 18 Sep 2015, Nicolas Ferre wrote: > >> Le 04/08/2015 13:22, Laurent Pinchart a ?crit : >>> Hi Josh, >>> >>> Thank you for the patch. >>> >>> On Tuesday 04 August 2015 17:37:49 Josh Wu wrote: >>>> This patch will get the DT parameters of vsync/hsync/pixclock polarity, and >>>> pass to driver. >>>> >>>> Also add a debug information for test purpose. >>>> >>>> Signed-off-by: Josh Wu >>> Reviewed-by: Laurent Pinchart >> Guennadi, Mauro, >> >> I don't see this patch in Linux-next and I'm not so used to >> http://git.linuxtv.org but didn't find it either. >> >> Well in fact it's just a lengthy version of "ping" ;-) >> >> Bye, >> >>>> --- >>>> >>>> Changes in v3: >>>> - add embedded sync dt property support. >>>> >>>> Changes in v2: >>>> - rewrite the debug message and add pix clock polarity setup thanks to >>>> Laurent. >>>> - update the commit log. >>>> >>>> drivers/media/platform/soc_camera/atmel-isi.c | 15 +++++++++++++++ >>>> 1 file changed, 15 insertions(+) >>>> >>>> diff --git a/drivers/media/platform/soc_camera/atmel-isi.c >>>> b/drivers/media/platform/soc_camera/atmel-isi.c index fead841..4efc939 >>>> 100644 >>>> --- a/drivers/media/platform/soc_camera/atmel-isi.c >>>> +++ b/drivers/media/platform/soc_camera/atmel-isi.c >>>> @@ -1061,6 +1061,11 @@ static int isi_camera_set_bus_param(struct >>>> soc_camera_device *icd) if (common_flags & V4L2_MBUS_PCLK_SAMPLE_FALLING) >>>> cfg1 |= ISI_CFG1_PIXCLK_POL_ACTIVE_FALLING; >>>> >>>> + dev_dbg(icd->parent, "vsync active %s, hsync active %s, sampling on pix >>>> clock %s edge\n", + common_flags & V4L2_MBUS_VSYNC_ACTIVE_LOW ? "low" : >>>> "high", >>>> + common_flags & V4L2_MBUS_HSYNC_ACTIVE_LOW ? "low" : "high", >>>> + common_flags & V4L2_MBUS_PCLK_SAMPLE_FALLING ? "falling" : "rising"); >>>> + >>>> if (isi->pdata.has_emb_sync) >>>> cfg1 |= ISI_CFG1_EMB_SYNC; >>>> if (isi->pdata.full_mode) >>>> @@ -1148,6 +1153,16 @@ static int atmel_isi_parse_dt(struct atmel_isi *isi, >>>> return -EINVAL; >>>> } >>>> >>>> + if (ep.bus.parallel.flags & V4L2_MBUS_HSYNC_ACTIVE_LOW) >>>> + isi->pdata.hsync_act_low = true; >>>> + if (ep.bus.parallel.flags & V4L2_MBUS_VSYNC_ACTIVE_LOW) >>>> + isi->pdata.vsync_act_low = true; >>>> + if (ep.bus.parallel.flags & V4L2_MBUS_PCLK_SAMPLE_FALLING) >>>> + isi->pdata.pclk_act_falling = true; >>>> + >>>> + if (ep.bus_type == V4L2_MBUS_BT656) >>>> + isi->pdata.has_emb_sync = true; >>>> + >>>> return 0; >>>> } >> >> -- >> Nicolas Ferre >>