Re: [ 12/37] ALSA: hda - Cirrus: Correctly clear line_out_pins when moving to speaker
From: David Henningsson <hidden>
Date: 2012-12-03 09:47:07
Also in:
lkml
From: David Henningsson <hidden>
Date: 2012-12-03 09:47:07
Also in:
lkml
On 11/30/2012 07:45 PM, Greg Kroah-Hartman wrote:
3.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: David Henningsson <redacted> commit 34c3d1926bdaf45d3a891dd577482abcdd9faa34 upstream. If this array is not cleared, the jack related code later might fail to create "Internal Speaker Phantom Jack" on Dell Inspiron 3420 and Dell Vostro 2420. BugLink: https://bugs.launchpad.net/bugs/1076840 Signed-off-by: David Henningsson <redacted> Signed-off-by: Takashi Iwai <redacted> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- sound/pci/hda/patch_cirrus.c | 1 + 1 file changed, 1 insertion(+)--- a/sound/pci/hda/patch_cirrus.c +++ b/sound/pci/hda/patch_cirrus.c@@ -413,6 +413,7 @@ static int parse_output(struct hda_codec memcpy(cfg->speaker_pins, cfg->line_out_pins, sizeof(cfg->speaker_pins)); cfg->line_outs = 0; + memset(cfg->line_out_pins, 0, sizeof(cfg->line_out_pins)); } return 0;
This one was originally targeted for 3.6+ (as mentioned in my original patch), for earlier kernels I don't anticipate it having any effect, neither positive nor negative. Your call. -- David Henningsson, Canonical Ltd. https://launchpad.net/~diwic