brcm2708: add linux 4.19 support

Boot tested on Raspberry Pi B+ (BCM2708) and Raspberry Pi 2 (BCM2709)

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 58 insertions, 0 deletions

diff --git a/target/linux/brcm2708/patches-4.19/950-0410-ASoC-tlv320aic32x4-Move-aosr-and-dosr-setting-to-sep.patch b/target/linux/brcm2708/patches-4.19/950-0410-ASoC-tlv320aic32x4-Move-aosr-and-dosr-setting-to-sep.patch
new file mode 100644
index 0000000000..291f107c8a
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0410-ASoC-tlv320aic32x4-Move-aosr-and-dosr-setting-to-sep.patch
@@ -0,0 +1,58 @@
+From d69dddf58047b95c5ade57c246e7d4994d439f23 Mon Sep 17 00:00:00 2001
+From: Annaliese McDermond <nh6z@nh6z.net>
+Date: Thu, 21 Mar 2019 17:58:50 -0700
+Subject: [PATCH 410/703] ASoC: tlv320aic32x4: Move aosr and dosr setting to
+ separate functions
+
+commit fbafbf6517274a797e6e6508c18dd8dba5920c89 upstream.
+
+Move these to separate helper functions.  This looks cleaner and fits
+better with the new clock setting in CCF.
+
+Signed-off-by: Annaliese McDermond <nh6z@nh6z.net>
+Signed-off-by: Mark Brown <broonie@kernel.org>
+---
+ sound/soc/codecs/tlv320aic32x4.c | 24 +++++++++++++++++-------
+ 1 file changed, 17 insertions(+), 7 deletions(-)
+
+--- a/sound/soc/codecs/tlv320aic32x4.c
++++ b/sound/soc/codecs/tlv320aic32x4.c
+@@ -720,6 +720,20 @@ static int aic32x4_set_dai_fmt(struct sn
+ 	return 0;
+ }
+ 
++static int aic32x4_set_aosr(struct snd_soc_component *component, u8 aosr)
++{
++	return snd_soc_component_write(component, AIC32X4_AOSR, aosr);
++}
++
++static int aic32x4_set_dosr(struct snd_soc_component *component, u16 dosr)
++{
++	snd_soc_component_write(component, AIC32X4_DOSRMSB, dosr >> 8);
++	snd_soc_component_write(component, AIC32X4_DOSRLSB,
++		      (dosr & 0xff));
++
++	return 0;
++}
++
+ static int aic32x4_set_processing_blocks(struct snd_soc_component *component,
+ 						u8 r_block, u8 p_block)
+ {
+@@ -765,14 +779,10 @@ static int aic32x4_setup_clocks(struct s
+ 	clk_set_rate(clocks[4].clk, aic32x4_divs[i].mdac_rate);
+ 	clk_set_rate(clocks[5].clk, aic32x4_divs[i].bdiv_rate);
+ 
+-	aic32x4_set_processing_blocks(component, aic32x4_divs[i].r_block, aic32x4_divs[i].p_block);
++	aic32x4_set_aosr(component, aic32x4_divs[i].aosr);
++	aic32x4_set_dosr(component, aic32x4_divs[i].dosr);
+ 
+-	/* DOSR MSB & LSB values */
+-	snd_soc_component_write(component, AIC32X4_DOSRMSB, aic32x4_divs[i].dosr >> 8);
+-	snd_soc_component_write(component, AIC32X4_DOSRLSB, (aic32x4_divs[i].dosr & 0xff));
+-
+-	/* AOSR value */
+-	snd_soc_component_write(component, AIC32X4_AOSR, aic32x4_divs[i].aosr);
++	aic32x4_set_processing_blocks(component, aic32x4_divs[i].r_block, aic32x4_divs[i].p_block);
+ 
+ 	return 0;
+ }