mirror of
https://git.openwrt.org/openwrt/openwrt.git
synced 2024-11-22 04:56:15 +00:00
8c405cdccc
The patches were generated from the RPi repo with the following command: git format-patch v6.6.34..rpi-6.1.y Some patches needed rebasing and, as usual, the applied and reverted, wireless drivers, Github workflows, READMEs and defconfigs patches were removed. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
95 lines
2.8 KiB
Diff
95 lines
2.8 KiB
Diff
From 3d094e4c65ce95f1400e0dc8ec189cdf558dbec6 Mon Sep 17 00:00:00 2001
|
|
From: Giedrius <giedrius@blokas.io>
|
|
Date: Mon, 22 Jan 2024 13:26:58 +0000
|
|
Subject: [PATCH 0845/1085] Pisound: Read out the SPI speed to use from the
|
|
Device Tree.
|
|
MIME-Version: 1.0
|
|
Content-Type: text/plain; charset=UTF-8
|
|
Content-Transfer-Encoding: 8bit
|
|
|
|
Signed-off-by: Giedrius Trainavičius <giedrius@blokas.io>
|
|
---
|
|
sound/soc/bcm/pisound.c | 31 ++++++++++++++++++++++++++-----
|
|
1 file changed, 26 insertions(+), 5 deletions(-)
|
|
|
|
--- a/sound/soc/bcm/pisound.c
|
|
+++ b/sound/soc/bcm/pisound.c
|
|
@@ -1,6 +1,6 @@
|
|
/*
|
|
* Pisound Linux kernel module.
|
|
- * Copyright (C) 2016-2020 Vilniaus Blokas UAB, https://blokas.io/pisound
|
|
+ * Copyright (C) 2016-2024 Vilniaus Blokas UAB, https://blokas.io/pisound
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
@@ -142,14 +142,14 @@ static void pisnd_input_trigger(struct s
|
|
}
|
|
}
|
|
|
|
-static struct snd_rawmidi_ops pisnd_output_ops = {
|
|
+static const struct snd_rawmidi_ops pisnd_output_ops = {
|
|
.open = pisnd_output_open,
|
|
.close = pisnd_output_close,
|
|
.trigger = pisnd_output_trigger,
|
|
.drain = pisnd_output_drain,
|
|
};
|
|
|
|
-static struct snd_rawmidi_ops pisnd_input_ops = {
|
|
+static const struct snd_rawmidi_ops pisnd_input_ops = {
|
|
.open = pisnd_input_open,
|
|
.close = pisnd_input_close,
|
|
.trigger = pisnd_input_trigger,
|
|
@@ -226,6 +226,7 @@ static char g_id[25];
|
|
enum { MAX_VERSION_STR_LEN = 6 };
|
|
static char g_fw_version[MAX_VERSION_STR_LEN];
|
|
static char g_hw_version[MAX_VERSION_STR_LEN];
|
|
+static u32 g_spi_speed_hz;
|
|
|
|
static uint8_t g_ledFlashDuration;
|
|
static bool g_ledFlashDurationChanged;
|
|
@@ -329,7 +330,7 @@ static void spi_transfer(const uint8_t *
|
|
transfer.tx_buf = txbuf;
|
|
transfer.rx_buf = rxbuf;
|
|
transfer.len = len;
|
|
- transfer.speed_hz = 150000;
|
|
+ transfer.speed_hz = g_spi_speed_hz;
|
|
transfer.delay.value = 10;
|
|
transfer.delay.unit = SPI_DELAY_UNIT_USECS;
|
|
|
|
@@ -646,6 +647,26 @@ static int pisnd_spi_init(struct device
|
|
memset(g_fw_version, 0, sizeof(g_fw_version));
|
|
memset(g_hw_version, 0, sizeof(g_hw_version));
|
|
|
|
+ g_spi_speed_hz = 150000;
|
|
+ if (dev->of_node) {
|
|
+ struct device_node *spi_node;
|
|
+
|
|
+ spi_node = of_parse_phandle(
|
|
+ dev->of_node,
|
|
+ "spi-controller",
|
|
+ 0
|
|
+ );
|
|
+
|
|
+ if (spi_node) {
|
|
+ ret = of_property_read_u32(spi_node, "spi-speed-hz", &g_spi_speed_hz);
|
|
+ if (ret != 0)
|
|
+ printe("Failed reading spi-speed-hz! (%d)\n", ret);
|
|
+
|
|
+ of_node_put(spi_node);
|
|
+ }
|
|
+ }
|
|
+ printi("Using SPI speed: %u\n", g_spi_speed_hz);
|
|
+
|
|
spi = pisnd_spi_find_device();
|
|
|
|
if (spi != NULL) {
|
|
@@ -950,7 +971,7 @@ static int pisnd_startup(struct snd_pcm_
|
|
return 0;
|
|
}
|
|
|
|
-static struct snd_soc_ops pisnd_ops = {
|
|
+static const struct snd_soc_ops pisnd_ops = {
|
|
.startup = pisnd_startup,
|
|
.hw_params = pisnd_hw_params,
|
|
};
|