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https://git.openwrt.org/openwrt/openwrt.git
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8299d1f057
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted patches, wireless patches and defconfig patches. bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 4B v1.1 4G bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
46 lines
1.1 KiB
Diff
46 lines
1.1 KiB
Diff
From 461de95d791044faba914125a418cd9141a39f02 Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.org>
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Date: Wed, 31 Oct 2018 14:57:46 +0000
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Subject: [PATCH] media: adv7180: Default to the first valid input
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The hardware default is differential CVBS on AIN1 & 2, which
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isn't very useful.
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Select the first input that is defined as valid for the
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chip variant (typically CVBS_AIN1).
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
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---
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drivers/media/i2c/adv7180.c | 13 +++++++++++++
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1 file changed, 13 insertions(+)
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--- a/drivers/media/i2c/adv7180.c
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+++ b/drivers/media/i2c/adv7180.c
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@@ -1259,6 +1259,7 @@ static const struct adv7180_chip_info ad
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static int init_device(struct adv7180_state *state)
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{
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int ret;
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+ int i;
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mutex_lock(&state->mutex);
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@@ -1305,6 +1306,18 @@ static int init_device(struct adv7180_st
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goto out_unlock;
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}
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+ /* Select first valid input */
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+ for (i = 0; i < 32; i++) {
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+ if (BIT(i) & state->chip_info->valid_input_mask) {
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+ ret = state->chip_info->select_input(state, i);
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+
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+ if (ret == 0) {
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+ state->input = i;
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+ break;
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+ }
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+ }
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+ }
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+
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out_unlock:
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mutex_unlock(&state->mutex);
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