brcm2708: remove linux 4.4 support
[openwrt/staging/yousong.git] / target / linux / brcm2708 / patches-4.4 / 0249-bcm2835-do-not-require-substream-for-accessing-chmap.patch
diff --git a/target/linux/brcm2708/patches-4.4/0249-bcm2835-do-not-require-substream-for-accessing-chmap.patch b/target/linux/brcm2708/patches-4.4/0249-bcm2835-do-not-require-substream-for-accessing-chmap.patch
deleted file mode 100644 (file)
index 5699987..0000000
+++ /dev/null
@@ -1,50 +0,0 @@
-From dd5d430ef916b934dab137d32562c80b737d7738 Mon Sep 17 00:00:00 2001
-From: wm4 <wm4@nowhere>
-Date: Tue, 19 Apr 2016 16:08:35 +0200
-Subject: [PATCH] bcm2835: do not require substream for accessing chmap ctl
-
-Fixes alsasctl store/restore operation.
----
- sound/arm/bcm2835-ctl.c | 10 +---------
- 1 file changed, 1 insertion(+), 9 deletions(-)
-
---- a/sound/arm/bcm2835-ctl.c
-+++ b/sound/arm/bcm2835-ctl.c
-@@ -489,8 +489,6 @@ static int snd_bcm2835_chmap_ctl_get(str
- {
-       struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
-       bcm2835_chip_t *chip = info->private_data;
--      unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
--      struct snd_pcm_substream *substream = snd_pcm_chmap_substream(info, idx);
-       struct cea_channel_speaker_allocation *ch = NULL;
-       int res = 0;
-       int cur = 0;
-@@ -499,11 +497,6 @@ static int snd_bcm2835_chmap_ctl_get(str
-       if (mutex_lock_interruptible(&chip->audio_mutex))
-               return -EINTR;
--      if (!substream || !substream->runtime) {
--              res = -ENODEV;
--              goto unlock;
--      }
--
-       for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
-               if (channel_allocations[i].ca_index == chip->cea_chmap)
-                       ch = &channel_allocations[i];
-@@ -521,7 +514,6 @@ static int snd_bcm2835_chmap_ctl_get(str
-       while (cur < 8)
-               ucontrol->value.integer.value[cur++] = SNDRV_CHMAP_NA;
--unlock:
-       mutex_unlock(&chip->audio_mutex);
-       return res;
- }
-@@ -541,7 +533,7 @@ static int snd_bcm2835_chmap_ctl_put(str
-               return -EINTR;
-       if (!substream || !substream->runtime) {
--              res = -ENODEV;
-+              /* ignore and return success for the sake of alsactl */
-               goto unlock;
-       }