The TW9910 PDN gpio (power down) is listed as active high in the chip
manual. It turns out it is actually active low as when set to physical
level 0 it actually turns the video decoder power off.
Without this patch applied:
tw9910 0-0045: Product ID error 1f:2
With this patch applied:
tw9910 0-0045: tw9910 Product ID b:0
Fixes: commit "186c446f4b840bd77b79d3dc951ca436cb8abe79"
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
static struct gpiod_lookup_table tw9910_gpios = {
.dev_id = "0-0045",
.table = {
- GPIO_LOOKUP("sh7722_pfc", GPIO_PTT2, "pdn", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("sh7722_pfc", GPIO_PTT2, "pdn", GPIO_ACTIVE_LOW),
GPIO_LOOKUP("sh7722_pfc", GPIO_PTT3, "rstb", GPIO_ACTIVE_LOW),
},
};