diff options
author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-03-19 04:47:30 -0400 |
---|---|---|
committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-03-19 04:47:30 -0400 |
commit | 0d4a42f6bd298e826620585e766a154ab460617a (patch) | |
tree | 406d8f7778691d858dbe3e48e4bbb10e99c0a58a /include/sound/cs4271.h | |
parent | d62b4892f3d9f7dd2002e5309be10719d6805b0f (diff) | |
parent | a937536b868b8369b98967929045f1df54234323 (diff) |
Merge tag 'v3.9-rc3' into drm-intel-next-queued
Backmerge so that I can merge Imre Deak's coalesced sg entries fixes,
which depend upon the new for_each_sg_page introduce in
commit a321e91b6d73ed011ffceed384c40d2785cf723b
Author: Imre Deak <imre.deak@intel.com>
Date: Wed Feb 27 17:02:56 2013 -0800
lib/scatterlist: add simple page iterator
The merge itself is just two trivial conflicts:
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'include/sound/cs4271.h')
-rw-r--r-- | include/sound/cs4271.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/sound/cs4271.h b/include/sound/cs4271.h index dd8c48d14ed9..70f45355acaa 100644 --- a/include/sound/cs4271.h +++ b/include/sound/cs4271.h | |||
@@ -20,6 +20,21 @@ | |||
20 | struct cs4271_platform_data { | 20 | struct cs4271_platform_data { |
21 | int gpio_nreset; /* GPIO driving Reset pin, if any */ | 21 | int gpio_nreset; /* GPIO driving Reset pin, if any */ |
22 | bool amutec_eq_bmutec; /* flag to enable AMUTEC=BMUTEC */ | 22 | bool amutec_eq_bmutec; /* flag to enable AMUTEC=BMUTEC */ |
23 | |||
24 | /* | ||
25 | * The CS4271 requires its LRCLK and MCLK to be stable before its RESET | ||
26 | * line is de-asserted. That also means that clocks cannot be changed | ||
27 | * without putting the chip back into hardware reset, which also requires | ||
28 | * a complete re-initialization of all registers. | ||
29 | * | ||
30 | * One (undocumented) workaround is to assert and de-assert the PDN bit | ||
31 | * in the MODE2 register. This workaround can be enabled with the | ||
32 | * following flag. | ||
33 | * | ||
34 | * Note that this is not needed in case the clocks are stable | ||
35 | * throughout the entire runtime of the codec. | ||
36 | */ | ||
37 | bool enable_soft_reset; | ||
23 | }; | 38 | }; |
24 | 39 | ||
25 | #endif /* __CS4271_H */ | 40 | #endif /* __CS4271_H */ |