Re: [PATCH 14/18] cx25840: Fix subdev registration incx25840-core.c

[Andy Walls]

Igor,

The proper fix is here:

https://patchwork.kernel.org/patch/376612/

So, NAK on your particular patch.

Mauro,

I do not see the above patch at linux next.  And I couldn't find it in your kernel.org tree.  What is its status?

This fixes a regression that is known to break cx23885 hardware initialization and can break ivtv hardware initialization.

Regards,
Andy

"Igor M. Liplianin" <liplianin@xxxxx> wrote:

>On my system, cx23885 based card reports default volume value above 70000.
>So, register cx25840 subdev fails. Although, the card don't have a/v inputs
>it needs a/v firmware to be loaded.
>
>Signed-off-by: Igor M. Liplianin <liplianin@xxxxxxxx>
>---
> drivers/media/video/cx25840/cx25840-core.c |    2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
>diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c
>index dfb198d..dc0cec7 100644
>--- a/drivers/media/video/cx25840/cx25840-core.c
>+++ b/drivers/media/video/cx25840/cx25840-core.c
>@@ -1991,6 +1991,8 @@ static int cx25840_probe(struct i2c_client *client,
> 	if (!is_cx2583x(state)) {
> 		default_volume = 228 - cx25840_read(client, 0x8d4);
> 		default_volume = ((default_volume / 2) + 23) << 9;
>+		if (default_volume > 65535)
>+			default_volume = 65535;
> 
> 		state->volume = v4l2_ctrl_new_std(&state->hdl,
> 			&cx25840_audio_ctrl_ops, V4L2_CID_AUDIO_VOLUME,
>-- 
>1.7.1
>
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