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[7/9] ALSA: hda: Reset all SIE bits in INTCTL

Message ID 20220706120230.427296-8-cezary.rojewski@intel.com (mailing list archive)
State New, archived
Headers show
Series ALSA: hda: Codec-reload bug fixes and cleanups | expand

Commit Message

Cezary Rojewski July 6, 2022, 12:02 p.m. UTC 
From: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>

Old code resets SIE for up to 8 streams using byte accessor, but
register is laid out in following way:

31 GIE
30 CIE
29:x Reserved
x-1:0 SIE

If there is more than 8 streams, some of them may and up with enabled
interrupts. To fix this just clear whole INTCTL register when disabling
interrupts.

Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
---
 sound/hda/hdac_controller.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/sound/hda/hdac_controller.c b/sound/hda/hdac_controller.c
index f7bd6e2db085..9a60bfdb39ba 100644
--- a/sound/hda/hdac_controller.c
+++ b/sound/hda/hdac_controller.c
@@ -474,11 +474,8 @@  static void azx_int_disable(struct hdac_bus *bus)
 	list_for_each_entry(azx_dev, &bus->stream_list, list)
 		snd_hdac_stream_updateb(azx_dev, SD_CTL, SD_INT_MASK, 0);
 
-	/* disable SIE for all streams */
-	snd_hdac_chip_writeb(bus, INTCTL, 0);
-
-	/* disable controller CIE and GIE */
-	snd_hdac_chip_updatel(bus, INTCTL, AZX_INT_CTRL_EN | AZX_INT_GLOBAL_EN, 0);
+	/* disable SIE for all streams & disable controller CIE and GIE */
+	snd_hdac_chip_writel(bus, INTCTL, 0);
 }
 
 /* clear interrupts */