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The GPIO stuff for OLPC in cs5535audio_olpc.c is implemented only for
Geode-LX, and enabled only when CONFIG_MGEODE_LX=y. Without this
config option, the driver gets build errors.
This patch adds a workaround to make it dependent on CONFIG_MGEODE_LX.
Ideally, the OLPC-GPIO stuff should be implemented in a way
independent from CPU type selection...
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Signed-off-by: Andres Salomon <dilinger@debian.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This drops the AD1888 V_REFOUT control, and replaces it with a MIC Bias
Enable control. It also moves the MIC bias enabling into a separate
function.
Signed-off-by: Andres Salomon <dilinger@debian.org>
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Clean this stuff up a bit..
Signed-off-by: Andres Salomon <dilinger@debian.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This is no longer necessary, as we're no longer doing indexed i/o commands.
Signed-off-by: Andres Salomon <dilinger@debian.org>
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Fix an audible pop described in <http://dev.laptop.org/ticket/977>. Originally
based upon fixes by Mitch Bradley and Chris Ball.
Signed-off-by: Andres Salomon <dilinger@debian.org>
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This is a 2nd cut at adding support for OLPC analog input.
Signed-off-by: Jaya Kumar <jayakumar.lkml@gmail.com>
Signed-off-by: Andres Salomon <dilinger@debian.org>
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snd_cs5535audio_suspend and snd_cs5535audio_resume are only defined when
CONFIG_PM is set; make that clear in the header file.
Signed-off-by: Andres Salomon <dilinger@debian.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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As per <http://dev.laptop.org/ticket/1420>, we need to properly turn off
the PCM if we're closing the device in order to save power. This also
causes the MIC led to turn off properly.
Signed-off-by: Jaya Kumar <jayakumar.lkml@gmail.com>
Signed-off-by: Andres Salomon <dilinger@debian.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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We really only care about the first two bus masters (playback and capture).
There's no need to have unused BM code lying around, so let's get rid of it.
If for some reason we trigger an IRQ for some BM that we're not using.. well,
that warrants spitting out an error message (imo).
Signed-off-by: Andres Salomon <dilinger@debian.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
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According to 6.3.2.7 of the cs5535/cs5536 data sheets, the ACC_BM[x]_CMD
registers are only 8 bits wide. This driver treats them as 32 bits wide,
and also has bits in the wrong place. Simple fix to the definitions.
Signed-off-by: Andres Salomon <dilinger@debian.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
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In the suspend path, we currently save the PRD registers and then disable DMA.
This is racy; the sound hardware might update the PRD register as it finishes
processing some DMA pages between when we've saved the PRD registers and
when DMA actually gets disabled. Furthermore, we actively check whether or
not DMA is enabled before saving PRD registers; there's no reason to do that,
as the PRD registers should not update when we twiddle the ACC_BM[x]_CMD
register(s). Worst case, we save the PRD registers twice; even powering
down the ACC shouldn't mess with the PRD registers (according to the 5536
data sheet, section 5.3.7.4, power-down procedure). This patch reworks
all that to first disable DMA, and then save PRD registers.
Signed-off-by: Andres Salomon <dilinger@debian.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
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Appended is my patch adding PM support to the cs5535audio driver.
I also added the ac97 quirk but it's not yet confirmed which
boards need to be in the quirk list. The patch also includes some
Kconfig and misc cleanup.
Signed-off-by: Jaya Kumar <jayakumar.alsa@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Modules: CS5535 driver
Remove xxx_t typedefs from the PCI CS5535 driver.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Modules: Documentation,CS5535 driver
Minor clean up and fixes for CS5535 audio driver.
Added an entry in ALSA-Configuration.txt, too.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Add support for the CS5535 Audio device. I've fixed up some errors as per
Takashi's advice from the thread:
http://lkml.org/lkml/2005/9/15/119
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
cs5535 is a 32bit x86 only device using weird CPU features
Signed-off-by: Jaya Kumar <jayakumar.alsa@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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