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Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0626-Fixes-an-onboard-clock-detection-problem-of-the-PRO-.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.10/950-0626-Fixes-an-onboard-clock-detection-problem-of-the-PRO-.patch38
1 files changed, 38 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0626-Fixes-an-onboard-clock-detection-problem-of-the-PRO-.patch b/target/linux/bcm27xx/patches-5.10/950-0626-Fixes-an-onboard-clock-detection-problem-of-the-PRO-.patch
new file mode 100644
index 0000000000..cde587d00d
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.10/950-0626-Fixes-an-onboard-clock-detection-problem-of-the-PRO-.patch
@@ -0,0 +1,38 @@
+From d2a6770500f0f284850834ec08fbee5fd6aaee3e Mon Sep 17 00:00:00 2001
+From: Joerg Schambacher <joerg@i2audio.com>
+Date: Thu, 10 Jun 2021 13:14:05 +0200
+Subject: [PATCH] Fixes an onboard clock detection problem of the PRO
+ versions
+
+Increasing the sleep time after clock selection to 3-4ms
+allows the correct detection of all combinations of DAC+ Pro
+and DAC+ADC Pro sound cards and the various PI revisions.
+
+Signed-off-by: Joerg Schambacher <joerg@hifiberry.com>
+---
+ sound/soc/bcm/hifiberry_dacplus.c | 2 +-
+ sound/soc/bcm/hifiberry_dacplusadcpro.c | 2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+--- a/sound/soc/bcm/hifiberry_dacplus.c
++++ b/sound/soc/bcm/hifiberry_dacplus.c
+@@ -111,7 +111,7 @@ static void snd_rpi_hifiberry_dacplus_se
+ snd_soc_component_update_bits(component, PCM512x_GPIO_CONTROL_1, 0x24, 0x04);
+ break;
+ }
+- usleep_range(2000, 2100);
++ usleep_range(3000, 4000);
+ }
+
+ static void snd_rpi_hifiberry_dacplus_clk_gpio(struct snd_soc_component *component)
+--- a/sound/soc/bcm/hifiberry_dacplusadcpro.c
++++ b/sound/soc/bcm/hifiberry_dacplusadcpro.c
+@@ -190,7 +190,7 @@ static void snd_rpi_hifiberry_dacplusadc
+ PCM512x_GPIO_CONTROL_1, 0x24, 0x04);
+ break;
+ }
+- usleep_range(2000, 2100);
++ usleep_range(3000, 4000);
+ }
+
+ static void snd_rpi_hifiberry_dacplusadcpro_clk_gpio(struct snd_soc_component *component)