diff options
Diffstat (limited to 'target/arm/bcm28xx/patches/3.18.9/0002-enable-MMAP-by-default-allow-overide-via-use_mmap.patch')
| -rw-r--r-- | target/arm/bcm28xx/patches/3.18.9/0002-enable-MMAP-by-default-allow-overide-via-use_mmap.patch | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/target/arm/bcm28xx/patches/3.18.9/0002-enable-MMAP-by-default-allow-overide-via-use_mmap.patch b/target/arm/bcm28xx/patches/3.18.9/0002-enable-MMAP-by-default-allow-overide-via-use_mmap.patch deleted file mode 100644 index a476a7825..000000000 --- a/target/arm/bcm28xx/patches/3.18.9/0002-enable-MMAP-by-default-allow-overide-via-use_mmap.patch +++ /dev/null @@ -1,37 +0,0 @@ -diff -Nur linux-3.18.6.orig/sound/soc/bcm/bcm2708-i2s.c linux-3.18.6/sound/soc/bcm/bcm2708-i2s.c ---- linux-3.18.6.orig/sound/soc/bcm/bcm2708-i2s.c 2015-02-12 12:00:42.809186343 +0100 -+++ linux-3.18.6/sound/soc/bcm/bcm2708-i2s.c 2015-02-12 13:35:35.929213859 +0100 -@@ -171,6 +171,11 @@ - /* I2S pin configuration */ - static int bcm2708_i2s_gpio=BCM2708_I2S_GPIO_AUTO; - -+static bool use_mmap = 1; -+module_param(use_mmap, bool, S_IRUGO); -+MODULE_PARM_DESC(use_mmap, "Use MMAP"); -+ -+ - /* General device struct */ - struct bcm2708_i2s_dev { - struct device *dev; -@@ -874,7 +879,7 @@ - .name = "bcm2708-i2s-comp", - }; - --static const struct snd_pcm_hardware bcm2708_pcm_hardware = { -+static struct snd_pcm_hardware bcm2708_pcm_hardware = { - .info = SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_JOINT_DUPLEX, - .formats = SNDRV_PCM_FMTBIT_S16_LE | -@@ -966,6 +971,12 @@ - return ret; - } - -+ if (use_mmap) { -+ printk("Enable ALSA MMAP support for I2S\n"); -+ bcm2708_pcm_hardware.info |= SNDRV_PCM_INFO_MMAP; -+ bcm2708_pcm_hardware.info |= SNDRV_PCM_INFO_MMAP_VALID; -+ } -+ - ret = snd_dmaengine_pcm_register(&pdev->dev, - &bcm2708_dmaengine_pcm_config, - SND_DMAENGINE_PCM_FLAG_COMPAT); |