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[1/1,SRU,J,K,L] ALSA: hda/cirrus: Add extra 10 ms delay to allow PLL settle and lock.

Message ID 20230105121109.829929-2-acelan.kao@canonical.com
State New
Headers show
Series Rear Audio port sometimes has no audio output after reboot(Cirrus Logic) | expand

Commit Message

AceLan Kao Jan. 5, 2023, 12:11 p.m. UTC 
From: Vitaly Rodionov <vitalyr@opensource.cirrus.com>

BugLink: https://launchpad.net/bugs/1998905

New HW platforms with multiple CS42L42 parts, faster CPU and i2c
requre some extra delay to allow PLL to settle and lock. Adding
extra 10ms delay.

Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20221205145713.23852-1-vitalyr@opensource.cirrus.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
(cherry picked from commit 9fb9fa18fb50d1a33a1bd947681fce96fc2c8db6)
Signed-off-by: Chia-Lin Kao (AceLan) <acelan.kao@canonical.com>
---
 sound/pci/hda/patch_cs8409.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/sound/pci/hda/patch_cs8409.c b/sound/pci/hda/patch_cs8409.c
index e9b9273dbfd9a..8efc4ee49b7c9 100644
--- a/sound/pci/hda/patch_cs8409.c
+++ b/sound/pci/hda/patch_cs8409.c
@@ -888,7 +888,7 @@  static void cs42l42_resume(struct sub_codec *cs42l42)
 
 	/* Initialize CS42L42 companion codec */
 	cs8409_i2c_bulk_write(cs42l42, cs42l42->init_seq, cs42l42->init_seq_num);
-	usleep_range(20000, 25000);
+	usleep_range(30000, 35000);
 
 	/* Clear interrupts, by reading interrupt status registers */
 	cs8409_i2c_bulk_read(cs42l42, irq_regs, ARRAY_SIZE(irq_regs));