[PATCH 4.16 136/161] media: cx23885: Set subdev host data to clk_freq pointer

From: Greg Kroah-Hartman
Date: Thu May 24 2018 - 05:17:32 EST


4.16-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.

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
@@ -2286,6 +2286,10 @@ 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);
}