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In the commit c0763e687d0283d0db507813ca4462aa4073c5b5
ALSA: snd-atmel-abdac: test wrong variable
the return value via PTR_ERR() had to be fixed as well.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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After clk_get() pclk is checked second time instead of sample_clk check.
Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This patch increases periods_min to 6 from 4, this will remove any
hickups where the buffer is not filled fast enough from user space.
Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This patch replaces the references to bus_id to the new dev_name() API.
Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This patch adds ALSA support for the Audio Bistream DAC found on Atmel
AVR32 devices. The ABDAC is an Atmel IP which might show up on AT91
devices in the future, hence making a generic driver which can be
utilized by AT91 arch if needed.
Datasheet describing the ABDAC peripheral is available in the AT32AP7000
datasheet, http://www.atmel.com/dyn/products/datasheets.asp?family_id=682
Tested on ATSTK1006 + ATSTK1000 with a class D amplifier stage.
Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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