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authorÁlvaro Fernández Rojas <noltari@gmail.com>2016-06-08 11:59:37 +0200
committerÁlvaro Fernández Rojas <noltari@gmail.com>2016-06-08 21:23:21 +0200
commit3fc661a98c8046a27dcf45a63049ee6605ebd364 (patch)
tree0468b8f3c8d4aa13ecce333ab3ad84146263cbc4 /target/linux/brcm2708/patches-4.4/0303-bcm2835-i2s-Reduce-the-TX-DREQ-threshold.patch
parentc17f02d2f272c6d74b20c2df050437f761d013a6 (diff)
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brcm2708: update linux 4.4 patches to latest version
As usual these patches were extracted from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Also alphabetically order sound-soc kernel packages. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0303-bcm2835-i2s-Reduce-the-TX-DREQ-threshold.patch')
-rw-r--r--target/linux/brcm2708/patches-4.4/0303-bcm2835-i2s-Reduce-the-TX-DREQ-threshold.patch48
1 files changed, 0 insertions, 48 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0303-bcm2835-i2s-Reduce-the-TX-DREQ-threshold.patch b/target/linux/brcm2708/patches-4.4/0303-bcm2835-i2s-Reduce-the-TX-DREQ-threshold.patch
deleted file mode 100644
index 8cfcf79913..0000000000
--- a/target/linux/brcm2708/patches-4.4/0303-bcm2835-i2s-Reduce-the-TX-DREQ-threshold.patch
+++ /dev/null
@@ -1,48 +0,0 @@
-From ddb9af17e2f52474d45c0afc04abc2af4510110e Mon Sep 17 00:00:00 2001
-From: Phil Elwell <phil@raspberrypi.org>
-Date: Thu, 21 Apr 2016 15:44:14 +0100
-Subject: [PATCH 303/304] bcm2835-i2s: Reduce the TX DREQ threshold
-
-TX FIFO overrun is thought to be the cause of channel swapping, so
-reducing the DREQ threshold seems reasonable and appears to be
-effective.
-
-See: https://github.com/raspberrypi/linux/issues/1417
-
-Signed-off-by: Phil Elwell <phil@raspberrypi.org>
----
- sound/soc/bcm/bcm2835-i2s.c | 21 ++++++++++++++-------
- 1 file changed, 14 insertions(+), 7 deletions(-)
-
---- a/sound/soc/bcm/bcm2835-i2s.c
-+++ b/sound/soc/bcm/bcm2835-i2s.c
-@@ -555,15 +555,22 @@ static int bcm2835_i2s_hw_params(struct
-
- /* Setup the DMA parameters */
- regmap_update_bits(dev->i2s_regmap, BCM2835_I2S_CS_A_REG,
-- BCM2835_I2S_RXTHR(1)
-- | BCM2835_I2S_TXTHR(1)
-- | BCM2835_I2S_DMAEN, 0xffffffff);
-+ BCM2835_I2S_RXTHR(3)
-+ | BCM2835_I2S_TXTHR(3)
-+ | BCM2835_I2S_DMAEN,
-+ BCM2835_I2S_RXTHR(1)
-+ | BCM2835_I2S_TXTHR(1)
-+ | BCM2835_I2S_DMAEN);
-
- regmap_update_bits(dev->i2s_regmap, BCM2835_I2S_DREQ_A_REG,
-- BCM2835_I2S_TX_PANIC(0x10)
-- | BCM2835_I2S_RX_PANIC(0x30)
-- | BCM2835_I2S_TX(0x30)
-- | BCM2835_I2S_RX(0x20), 0xffffffff);
-+ BCM2835_I2S_TX_PANIC(0x7f)
-+ | BCM2835_I2S_RX_PANIC(0x7f)
-+ | BCM2835_I2S_TX(0x7f)
-+ | BCM2835_I2S_RX(0x7f),
-+ BCM2835_I2S_TX_PANIC(0x10)
-+ | BCM2835_I2S_RX_PANIC(0x30)
-+ | BCM2835_I2S_TX(0x20)
-+ | BCM2835_I2S_RX(0x20));
-
- /* Clear FIFOs */
- bcm2835_i2s_clear_fifos(dev, true, true);