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author | Takashi Iwai <tiwai@suse.de> | 2014-10-06 16:01:11 +0400 |
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committer | Takashi Iwai <tiwai@suse.de> | 2014-10-06 16:01:11 +0400 |
commit | 8df22a4d6f5b81c9c1703579d4907b57002689ed (patch) | |
tree | 064e9662d427a82076e1151fcd9aa78a1066f9f4 /drivers/crypto/ccp/ccp-dev.c | |
parent | 0cae90a96c15f2fd3bd139ba5505755c9c9ef2eb (diff) | |
parent | a5448c88b812390a3622e76d774e10c0da1fb970 (diff) | |
download | linux-8df22a4d6f5b81c9c1703579d4907b57002689ed.tar.xz |
Merge tag 'asoc-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: Updates for v3.18
- More componentisation work from Lars-Peter, this time mainly
cleaning up the suspend and bias level transition callbacks.
- Real system support for the Intel drivers and a bunch of fixes and
enhancements for the associated CODEC drivers, this is going to need
a lot quirks over time due to the lack of any firmware description of
the boards.
- Jack detect support for simple card from Dylan Reid.
- A bunch of small fixes and enhancements for the Freescale drivers.
- New drivers for Analog Devices SSM4567, Cirrus Logic CS35L32, Everest
Semiconductor ES8328 and Freescale cards using the ASRC in newer i.MX
processors.
Diffstat (limited to 'drivers/crypto/ccp/ccp-dev.c')
-rw-r--r-- | drivers/crypto/ccp/ccp-dev.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/crypto/ccp/ccp-dev.c b/drivers/crypto/ccp/ccp-dev.c index a7d110652a74..c6e6171eb6d3 100644 --- a/drivers/crypto/ccp/ccp-dev.c +++ b/drivers/crypto/ccp/ccp-dev.c @@ -55,6 +55,20 @@ static inline void ccp_del_device(struct ccp_device *ccp) } /** + * ccp_present - check if a CCP device is present + * + * Returns zero if a CCP device is present, -ENODEV otherwise. + */ +int ccp_present(void) +{ + if (ccp_get_device()) + return 0; + + return -ENODEV; +} +EXPORT_SYMBOL_GPL(ccp_present); + +/** * ccp_enqueue_cmd - queue an operation for processing by the CCP * * @cmd: ccp_cmd struct to be processed |