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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-08-09 19:50:30 +0200 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-08-27 11:10:01 +0200 |
commit | 2340c646e6a5da658e114be2f721ff90853588d4 (patch) | |
tree | df9744d2344e71e8c5d1b75c3e1528bc474313fe /target/linux/brcm2708/patches-4.19/950-0479-Revert-staging-bcm2835-audio-Drop-DT-dependency.patch | |
parent | 81d0da118694feb874f992093063a2852285d194 (diff) | |
download | upstream-2340c646e6a5da658e114be2f721ff90853588d4.tar.gz upstream-2340c646e6a5da658e114be2f721ff90853588d4.tar.bz2 upstream-2340c646e6a5da658e114be2f721ff90853588d4.zip |
brcm2708: update to latest patches from RPi foundation
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0479-Revert-staging-bcm2835-audio-Drop-DT-dependency.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0479-Revert-staging-bcm2835-audio-Drop-DT-dependency.patch | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0479-Revert-staging-bcm2835-audio-Drop-DT-dependency.patch b/target/linux/brcm2708/patches-4.19/950-0479-Revert-staging-bcm2835-audio-Drop-DT-dependency.patch deleted file mode 100644 index 76e87ec136..0000000000 --- a/target/linux/brcm2708/patches-4.19/950-0479-Revert-staging-bcm2835-audio-Drop-DT-dependency.patch +++ /dev/null @@ -1,96 +0,0 @@ -From d9e9bfb28a22d9f1ed95e2dbe71bec9662717724 Mon Sep 17 00:00:00 2001 -From: popcornmix <popcornmix@gmail.com> -Date: Wed, 1 May 2019 14:23:39 +0100 -Subject: [PATCH 479/725] Revert "staging: bcm2835-audio: Drop DT dependency" - -This reverts commit 60a2e557a4f81480216066f22b84c3dda31b3470. ---- - .../vc04_services/bcm2835-audio/bcm2835.c | 31 +++++++++++++------ - 1 file changed, 22 insertions(+), 9 deletions(-) - ---- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c -+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c -@@ -6,13 +6,13 @@ - #include <linux/init.h> - #include <linux/slab.h> - #include <linux/module.h> -+#include <linux/of.h> - - #include "bcm2835.h" - - static bool enable_hdmi; - static bool enable_headphones; - static bool enable_compat_alsa = true; --static int num_channels = MAX_SUBSTREAMS; - - module_param(enable_hdmi, bool, 0444); - MODULE_PARM_DESC(enable_hdmi, "Enables HDMI virtual audio device"); -@@ -21,8 +21,6 @@ MODULE_PARM_DESC(enable_headphones, "Ena - module_param(enable_compat_alsa, bool, 0444); - MODULE_PARM_DESC(enable_compat_alsa, - "Enables ALSA compatibility virtual audio device"); --module_param(num_channels, int, 0644); --MODULE_PARM_DESC(num_channels, "Number of audio channels (default: 8)"); - - static void bcm2835_devm_free_vchi_ctx(struct device *dev, void *res) - { -@@ -296,19 +294,28 @@ static int snd_add_child_devices(struct - static int snd_bcm2835_alsa_probe(struct platform_device *pdev) - { - struct device *dev = &pdev->dev; -+ u32 numchans; - int err; - -- if (num_channels <= 0 || num_channels > MAX_SUBSTREAMS) { -- num_channels = MAX_SUBSTREAMS; -- dev_warn(dev, "Illegal num_channels value, will use %u\n", -- num_channels); -+ err = of_property_read_u32(dev->of_node, "brcm,pwm-channels", -+ &numchans); -+ if (err) { -+ dev_err(dev, "Failed to get DT property 'brcm,pwm-channels'"); -+ return err; -+ } -+ -+ if (numchans == 0 || numchans > MAX_SUBSTREAMS) { -+ numchans = MAX_SUBSTREAMS; -+ dev_warn(dev, -+ "Illegal 'brcm,pwm-channels' value, will use %u\n", -+ numchans); - } - - err = bcm2835_devm_add_vchi_ctx(dev); - if (err) - return err; - -- err = snd_add_child_devices(dev, num_channels); -+ err = snd_add_child_devices(dev, numchans); - if (err) - return err; - -@@ -330,6 +337,12 @@ static int snd_bcm2835_alsa_resume(struc - - #endif - -+static const struct of_device_id snd_bcm2835_of_match_table[] = { -+ { .compatible = "brcm,bcm2835-audio",}, -+ {}, -+}; -+MODULE_DEVICE_TABLE(of, snd_bcm2835_of_match_table); -+ - static struct platform_driver bcm2835_alsa_driver = { - .probe = snd_bcm2835_alsa_probe, - #ifdef CONFIG_PM -@@ -338,6 +351,7 @@ static struct platform_driver bcm2835_al - #endif - .driver = { - .name = "bcm2835_audio", -+ .of_match_table = snd_bcm2835_of_match_table, - }, - }; - module_platform_driver(bcm2835_alsa_driver); -@@ -345,4 +359,3 @@ module_platform_driver(bcm2835_alsa_driv - MODULE_AUTHOR("Dom Cobley"); - MODULE_DESCRIPTION("Alsa driver for BCM2835 chip"); - MODULE_LICENSE("GPL"); --MODULE_ALIAS("platform:bcm2835_audio"); |