This is a note to let you know that I've just added the patch titled
ARM: dts: Fix audio card detection on Peach boards
to the 4.2-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
arm-dts-fix-audio-card-detection-on-peach-boards.patch
and it can be found in the queue-4.2 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From b8bb9baad27e455c467e8fac47eebadbe765c18f Mon Sep 17 00:00:00 2001
From: Alim Akhtar <[email protected]>
Date: Tue, 13 Oct 2015 04:32:53 +0900
Subject: ARM: dts: Fix audio card detection on Peach boards
From: Alim Akhtar <[email protected]>
commit b8bb9baad27e455c467e8fac47eebadbe765c18f upstream.
Since commit 2fad972d45c4 ("ARM: dts: Add mclk entry for Peach boards"),
sound card detection is broken on peach boards and gives below errors:
[ 3.630457] max98090 7-0010: MAX98091 REVID=0x51
[ 3.634233] max98090 7-0010: use default 2.8v micbias
[ 3.640985] snow-audio sound: HiFi <-> 3830000.i2s mapping ok
[ 3.645307] max98090 7-0010: Invalid master clock frequency
[ 3.650824] snow-audio sound: ASoC: Peach-Pi-I2S-MAX98091 late_probe()
failed: -22
[ 3.658914] snow-audio sound: snd_soc_register_card failed (-22)
[ 3.664366] snow-audio: probe of sound failed with error -22
This patch adds missing assigned-clocks and assigned-clock-parents for
pmu_system_controller node which is used as "mclk" for audio codec.
Fixes: 2fad972d45c4 ("ARM: dts: Add mclk entry for Peach boards")
Signed-off-by: Alim Akhtar <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: Kukjin Kim <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
arch/arm/boot/dts/exynos5420-peach-pit.dts | 5 +++++
arch/arm/boot/dts/exynos5800-peach-pi.dts | 5 +++++
2 files changed, 10 insertions(+)
--- a/arch/arm/boot/dts/exynos5420-peach-pit.dts
+++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts
@@ -915,6 +915,11 @@
};
};
+&pmu_system_controller {
+ assigned-clocks = <&pmu_system_controller 0>;
+ assigned-clock-parents = <&clock CLK_FIN_PLL>;
+};
+
&rtc {
status = "okay";
clocks = <&clock CLK_RTC>, <&max77802 MAX77802_CLK_32K_AP>;
--- a/arch/arm/boot/dts/exynos5800-peach-pi.dts
+++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts
@@ -878,6 +878,11 @@
};
};
+&pmu_system_controller {
+ assigned-clocks = <&pmu_system_controller 0>;
+ assigned-clock-parents = <&clock CLK_FIN_PLL>;
+};
+
&rtc {
status = "okay";
clocks = <&clock CLK_RTC>, <&max77802 MAX77802_CLK_32K_AP>;
Patches currently in stable-queue which might be from [email protected]
are
queue-4.2/arm-dts-fix-audio-card-detection-on-peach-boards.patch
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