diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0173-media-adv7180-Default-to-the-first-valid-input.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-4.19/950-0173-media-adv7180-Default-to-the-first-valid-input.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0173-media-adv7180-Default-to-the-first-valid-input.patch b/target/linux/bcm27xx/patches-4.19/950-0173-media-adv7180-Default-to-the-first-valid-input.patch new file mode 100644 index 0000000000..65108f9710 --- /dev/null +++ b/target/linux/bcm27xx/patches-4.19/950-0173-media-adv7180-Default-to-the-first-valid-input.patch @@ -0,0 +1,45 @@ +From 1d6cba1999607bc911ee8d16323914058b06e8d8 Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.org> +Date: Wed, 31 Oct 2018 14:57:46 +0000 +Subject: [PATCH] media: adv7180: Default to the first valid input + +The hardware default is differential CVBS on AIN1 & 2, which +isn't very useful. + +Select the first input that is defined as valid for the +chip variant (typically CVBS_AIN1). + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org> +--- + drivers/media/i2c/adv7180.c | 13 +++++++++++++ + 1 file changed, 13 insertions(+) + +--- a/drivers/media/i2c/adv7180.c ++++ b/drivers/media/i2c/adv7180.c +@@ -1240,6 +1240,7 @@ static const struct adv7180_chip_info ad + static int init_device(struct adv7180_state *state) + { + int ret; ++ int i; + + mutex_lock(&state->mutex); + +@@ -1286,6 +1287,18 @@ static int init_device(struct adv7180_st + goto out_unlock; + } + ++ /* Select first valid input */ ++ for (i = 0; i < 32; i++) { ++ if (BIT(i) & state->chip_info->valid_input_mask) { ++ ret = state->chip_info->select_input(state, i); ++ ++ if (ret == 0) { ++ state->input = i; ++ break; ++ } ++ } ++ } ++ + out_unlock: + mutex_unlock(&state->mutex); + |