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author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-10-08 06:47:31 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-10-08 06:47:31 -0400 |
commit | 463311960e9312245418af98dce8c0161fd6b827 (patch) | |
tree | 9529b6063b10f1b85408ef4757d1917dfdb8292d /drivers/usb/gadget/function/u_uac1.c | |
parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 (diff) | |
parent | USB: host: st: fix typo 'CONFIG_USB_EHCI_HCD_ST' (diff) | |
download | linux-dev-463311960e9312245418af98dce8c0161fd6b827.tar.xz linux-dev-463311960e9312245418af98dce8c0161fd6b827.zip |
Merge tag 'usb-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB updates from Greg KH:
"Here's the big USB patchset for 3.18-rc1. Also in here is the PHY
tree, as it seems to fit well with the USB tree for various reasons...
Anyway, lots of little changes in here, all over the place, full
details in the changelog
All have been in the linux-next tree for a while with no issues"
* tag 'usb-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (244 commits)
USB: host: st: fix typo 'CONFIG_USB_EHCI_HCD_ST'
uas: Reduce number of function arguments for uas_alloc_foo functions
xhci: Allow xHCI drivers to be built as separate modules
xhci: Export symbols used by host-controller drivers
xhci: Check for XHCI_COMP_MODE_QUIRK when disabling D3cold
xhci: Introduce xhci_init_driver()
usb: hcd: add generic PHY support
usb: rename phy to usb_phy in HCD
usb: gadget: uvc: fix up uvcg_v4l2_get_unmapped_area typo
USB: host: st: fix ehci/ohci driver selection
usb: host: ehci-exynos: Remove unnecessary usb-phy support
usb: core: return -ENOTSUPP for all targeted hosts
USB: Remove .owner field for driver
usb: core: log higher level message on malformed LANGID descriptor
usb: Add LED triggers for USB activity
usb: Rename usb-common.c
usb: gadget: Refactor request completion
usb: gadget: Introduce usb_gadget_giveback_request()
usb: dwc2/gadget: move phy bus legth initialization
phy: remove .owner field for drivers using module_platform_driver
...
Diffstat (limited to 'drivers/usb/gadget/function/u_uac1.c')
-rw-r--r-- | drivers/usb/gadget/function/u_uac1.c | 38 |
1 files changed, 13 insertions, 25 deletions
diff --git a/drivers/usb/gadget/function/u_uac1.c b/drivers/usb/gadget/function/u_uac1.c index 7a55fea43430..a44a07f30281 100644 --- a/drivers/usb/gadget/function/u_uac1.c +++ b/drivers/usb/gadget/function/u_uac1.c @@ -10,6 +10,7 @@ */ #include <linux/kernel.h> +#include <linux/module.h> #include <linux/slab.h> #include <linux/device.h> #include <linux/delay.h> @@ -23,22 +24,6 @@ * This component encapsulates the ALSA devices for USB audio gadget */ -#define FILE_PCM_PLAYBACK "/dev/snd/pcmC0D0p" -#define FILE_PCM_CAPTURE "/dev/snd/pcmC0D0c" -#define FILE_CONTROL "/dev/snd/controlC0" - -static char *fn_play = FILE_PCM_PLAYBACK; -module_param(fn_play, charp, S_IRUGO); -MODULE_PARM_DESC(fn_play, "Playback PCM device file name"); - -static char *fn_cap = FILE_PCM_CAPTURE; -module_param(fn_cap, charp, S_IRUGO); -MODULE_PARM_DESC(fn_cap, "Capture PCM device file name"); - -static char *fn_cntl = FILE_CONTROL; -module_param(fn_cntl, charp, S_IRUGO); -MODULE_PARM_DESC(fn_cntl, "Control device file name"); - /*-------------------------------------------------------------------------*/ /** @@ -167,7 +152,7 @@ static int playback_default_hw_params(struct gaudio_snd_dev *snd) /** * Playback audio buffer data by ALSA PCM device */ -static size_t u_audio_playback(struct gaudio *card, void *buf, size_t count) +size_t u_audio_playback(struct gaudio *card, void *buf, size_t count) { struct gaudio_snd_dev *snd = &card->playback; struct snd_pcm_substream *substream = snd->substream; @@ -202,12 +187,12 @@ try_again: return 0; } -static int u_audio_get_playback_channels(struct gaudio *card) +int u_audio_get_playback_channels(struct gaudio *card) { return card->playback.channels; } -static int u_audio_get_playback_rate(struct gaudio *card) +int u_audio_get_playback_rate(struct gaudio *card) { return card->playback.rate; } @@ -220,6 +205,13 @@ static int gaudio_open_snd_dev(struct gaudio *card) { struct snd_pcm_file *pcm_file; struct gaudio_snd_dev *snd; + struct f_uac1_opts *opts; + char *fn_play, *fn_cap, *fn_cntl; + + opts = container_of(card->func.fi, struct f_uac1_opts, func_inst); + fn_play = opts->fn_play; + fn_cap = opts->fn_cap; + fn_cntl = opts->fn_cntl; if (!card) return -ENODEV; @@ -293,7 +285,6 @@ static int gaudio_close_snd_dev(struct gaudio *gau) return 0; } -static struct gaudio *the_card; /** * gaudio_setup - setup ALSA interface and preparing for USB transfer * @@ -301,15 +292,13 @@ static struct gaudio *the_card; * * Returns negative errno, or zero on success */ -int __init gaudio_setup(struct gaudio *card) +int gaudio_setup(struct gaudio *card) { int ret; ret = gaudio_open_snd_dev(card); if (ret) ERROR(card, "we need at least one control device\n"); - else if (!the_card) - the_card = card; return ret; @@ -320,11 +309,10 @@ int __init gaudio_setup(struct gaudio *card) * * This is called to free all resources allocated by @gaudio_setup(). */ -void gaudio_cleanup(void) +void gaudio_cleanup(struct gaudio *the_card) { if (the_card) { gaudio_close_snd_dev(the_card); - the_card = NULL; } } |