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author | Mengdong Lin <mengdong.lin@intel.com> | 2014-07-03 17:02:23 +0800 |
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committer | Jiri Slaby <jslaby@suse.cz> | 2014-11-05 10:03:19 +0100 |
commit | 7fccdb578ab6a71fc23690f772d37e7f0050a6bf (patch) | |
tree | ccdd21bda2b6a9b6f36a1b33c5339cb692efa6a0 /net | |
parent | e48c442a046d006ff87cd67a686a27a5f64dedbb (diff) | |
download | lwn-7fccdb578ab6a71fc23690f772d37e7f0050a6bf.tar.gz lwn-7fccdb578ab6a71fc23690f772d37e7f0050a6bf.zip |
ALSA: hda - restore BCLK M/N value as per CDCLK for HSW/BDW display HDA controller
commit e4d9e513dedb5ac4e166c1053314fa935ddecc8c upstream.
For HSW/BDW display HD-A controller, hda_set_bclk() is defined to set BCLK
by programming the M/N values as per the core display clock (CDCLK) queried from
i915 display driver.
And the audio driver will also set BCLK in azx_first_init() since the display
driver can turn off the shared power in boot phase if only eDP is connected
and M/N values will be lost and must be reprogrammed.
Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Diffstat (limited to 'net')
0 files changed, 0 insertions, 0 deletions