Re: [PATCH] media: atmel-isi: parse the DT parameters for vsync/hsync polarity
Hi Josh, Thank you for the patch. On Friday 31 July 2015 18:33:32 Josh Wu wrote: > This patch will get the DT parameters of vsync/hsync polarity, and pass to > the platform data. > > Also add a debug information for test purpose. > > Signed-off-by: Josh Wu > --- > > drivers/media/platform/soc_camera/atmel-isi.c | 10 ++ > 1 file changed, 10 insertions(+) > > diff --git a/drivers/media/platform/soc_camera/atmel-isi.c > b/drivers/media/platform/soc_camera/atmel-isi.c index fe9247a..a7de55c > 100644 > --- a/drivers/media/platform/soc_camera/atmel-isi.c > +++ b/drivers/media/platform/soc_camera/atmel-isi.c > @@ -811,6 +811,11 @@ 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 is active %s, hsyc is active %s, pix clock > is > sampling %s\n", s/hsyc/hsync/ I'd write it as "vsync active %s, hsync active %s, sampling on pix clock %s edge\n" with "falling" and "rising" instead of "fall" and "rise". > + 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 ? "fall" : "rise"); > + > if (isi->pdata.has_emb_sync) > cfg1 |= ISI_CFG1_EMB_SYNC; > if (isi->pdata.full_mode) > @@ -898,6 +903,11 @@ static int atmel_isi_probe_dt(struct atmel_isi *isi, > goto err_probe_dt; > } > > + 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; While you're at it, how about setting has_emb_sync based on ep.bus_type and pclk_act_falling from flags & V4L2_MBUS_PCLK_SAMPLE_FALLING ? > err_probe_dt: > of_node_put(np); -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH] media: atmel-isi: parse the DT parameters for vsync/hsync polarity
Hi, Laurent On 8/1/2015 5:11 PM, Laurent Pinchart wrote: Hi Josh, Thank you for the patch. On Friday 31 July 2015 18:33:32 Josh Wu wrote: This patch will get the DT parameters of vsync/hsync polarity, and pass to the platform data. Also add a debug information for test purpose. Signed-off-by: Josh Wu --- drivers/media/platform/soc_camera/atmel-isi.c | 10 ++ 1 file changed, 10 insertions(+) diff --git a/drivers/media/platform/soc_camera/atmel-isi.c b/drivers/media/platform/soc_camera/atmel-isi.c index fe9247a..a7de55c 100644 --- a/drivers/media/platform/soc_camera/atmel-isi.c +++ b/drivers/media/platform/soc_camera/atmel-isi.c @@ -811,6 +811,11 @@ 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 is active %s, hsyc is active %s, pix clock is sampling %s\n", s/hsyc/hsync/ I'd write it as "vsync active %s, hsync active %s, sampling on pix clock %s edge\n" with "falling" and "rising" instead of "fall" and "rise". Thanks, I'll correct it. + 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 ? "fall" : "rise"); + if (isi->pdata.has_emb_sync) cfg1 |= ISI_CFG1_EMB_SYNC; if (isi->pdata.full_mode) @@ -898,6 +903,11 @@ static int atmel_isi_probe_dt(struct atmel_isi *isi, goto err_probe_dt; } + 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; While you're at it, how about setting has_emb_sync based on ep.bus_type and pclk_act_falling from flags & V4L2_MBUS_PCLK_SAMPLE_FALLING ? I will add the pclk_act_falling handling code as well. And rebase this patch on top of your dt modifications. Best Regards Josh Wu err_probe_dt: of_node_put(np); -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
