Hi, Prabhakar Lad
On 2/17/2015 12:48 AM, Lad, Prabhakar wrote:
Hi Josh,
Thanks for the patch.
On Tue, Feb 10, 2015 at 9:31 AM, Josh Wu <josh...@atmel.com> wrote:
[Snip]
- priv->clk = v4l2_clk_get(&client->dev, "mclk");
+ priv->clk = v4l2_clk_get(&client->dev, "xvclk");
with this change don’t you need to update the board file using this driver/
the bridge driver ?
I think no.
First, my patch should be on top of the following two patches, which
changed the *v4l2_clk_get()* behavior:
[v3,1/2] V4L: remove clock name from v4l2_clk API
https://patchwork.linuxtv.org/patch/28108/
[v4,2/2] V4L: add CCF support to the v4l2_clk API
https://patchwork.linuxtv.org/patch/28111/
After applied above two patches, v4l2_clk_get() function is changed. The
name "mclk" is refer to a CCF clock of the ov2640 device.
If not found such a "mclk" CCF clock, v4l2_clk_get() will try to get the
internal register clock in soc_camera.c.
As the CCF dt clock is not support by ov2640 until I add DT support,
that means current ov2640 driver will always not found the "mclk" CCF
clock, and they will use internal clock.
So after I changed the name "mclk" to "xvclk", the default behavior will
not change (still using internal clock registered by soc-camera.c).
Best Regards,
Josh Wu
Regards,
--Prabhakar Lad
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