On Mon, 2018-05-28 at 12:03 +0200, Greg Kroah-Hartman wrote:
> 4.4-stable review patch. If anyone has any objections, please let me know.
>
> ------------------
>
> From: Brad Love <brad@xxxxxxxxxxxxxxxx>
>
> [ Upstream commit 5ceade1d97fc6687e050c44c257382c192f56276 ]
>
> Currently clk_freq is ignored entirely, because the cx235840 driver
> configures the xtal at the chip defaults. This is an issue if a
> board is produced with a non-default frequency crystal. If clk_freq
> is not zero the cx25840 will attempt to use the setting provided,
> or fall back to defaults otherwise.
This depends on (at least):
commit 3ee9bc12342cf546313d300808ff47d7dbb8e7db
Author: Brad Love <brad@xxxxxxxxxxxxxxxx>
Date: Tue Mar 6 14:15:34 2018 -0500
media: cx25840: Use subdev host data for PLL override
Ben.
> Signed-off-by: Brad Love <brad@xxxxxxxxxxxxxxxx>
> Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>
> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> ---
> drivers/media/pci/cx23885/cx23885-cards.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> --- a/drivers/media/pci/cx23885/cx23885-cards.c
> +++ b/drivers/media/pci/cx23885/cx23885-cards.c
> @@ -2124,6 +2124,10 @@ void cx23885_card_setup(struct cx23885_d
> &dev->i2c_bus[2].i2c_adap,
> "cx25840", 0x88 >> 1, NULL);
> if (dev->sd_cx25840) {
> + /* set host data for clk_freq configuration */
> + v4l2_set_subdev_hostdata(dev->sd_cx25840,
> + &dev->clk_freq);
> +
> dev->sd_cx25840->grp_id = CX23885_HW_AV_CORE;
> v4l2_subdev_call(dev->sd_cx25840, core, load_fw);
> }
--
Ben Hutchings, Software Developer Codethink Ltd
https://www.codethink.co.uk/ Dale House, 35 Dale Street
Manchester, M1 2HF, United Kingdom
