[media] adv7604: add hdmi driver strength adjustment

The driver strength is board dependent, so set it from the platform_data.

Signed-off-by: Mikhail Khelik <mkhelik@cisco.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/include/media/adv7604.h b/include/media/adv7604.h
index 0c96e169dbe3..22fd1ac9d71b 100644
--- a/include/media/adv7604.h
+++ b/include/media/adv7604.h
@@ -78,6 +78,12 @@ enum adv7604_op_format_sel {
         ADV7604_OP_FORMAT_SEL_SDR_ITU656_24_MODE2 = 0x8a,
 };
 
+enum adv7604_drive_strength {
+        ADV7604_DR_STR_MEDIUM_LOW = 1,
+        ADV7604_DR_STR_MEDIUM_HIGH = 2,
+        ADV7604_DR_STR_HIGH = 3,
+};
+
 /* Platform dependent definition */
 struct adv7604_platform_data {
         /* connector - HDMI or DVI? */
@@ -110,6 +116,11 @@ struct adv7604_platform_data {
         unsigned replicate_av_codes:1;
         unsigned invert_cbcr:1;
 
+        /* IO register 0x14 */
+        enum adv7604_drive_strength dr_str_data;
+        enum adv7604_drive_strength dr_str_clk;
+        enum adv7604_drive_strength dr_str_sync;
+
         /* IO register 0x30 */
         unsigned output_bus_lsb_to_msb:1;