diff options
| -rw-r--r-- | include/sound/hwdep.h | 38 | ||||
| -rw-r--r-- | sound/core/hwdep.c | 9 | ||||
| -rw-r--r-- | sound/drivers/vx/vx_hwdep.c | 12 | ||||
| -rw-r--r-- | sound/pci/mixart/mixart_hwdep.c | 12 | ||||
| -rw-r--r-- | sound/pci/pcxhr/pcxhr_hwdep.c | 12 | ||||
| -rw-r--r-- | sound/pci/rme9652/hdsp.c | 9 | ||||
| -rw-r--r-- | sound/pci/rme9652/hdspm.c | 9 | ||||
| -rw-r--r-- | sound/synth/emux/emux_hwdep.c | 21 | ||||
| -rw-r--r-- | sound/usb/usbmixer.c | 22 | ||||
| -rw-r--r-- | sound/usb/usx2y/usX2Yhwdep.c | 12 |
10 files changed, 30 insertions, 126 deletions
diff --git a/include/sound/hwdep.h b/include/sound/hwdep.h index d9eea013c753..8c05e47a4090 100644 --- a/include/sound/hwdep.h +++ b/include/sound/hwdep.h @@ -27,18 +27,28 @@ struct snd_hwdep; +/* hwdep file ops; all ops can be NULL */ struct snd_hwdep_ops { - long long (*llseek) (struct snd_hwdep *hw, struct file * file, long long offset, int orig); - long (*read) (struct snd_hwdep *hw, char __user *buf, long count, loff_t *offset); - long (*write) (struct snd_hwdep *hw, const char __user *buf, long count, loff_t *offset); - int (*open) (struct snd_hwdep * hw, struct file * file); - int (*release) (struct snd_hwdep *hw, struct file * file); - unsigned int (*poll) (struct snd_hwdep *hw, struct file * file, poll_table * wait); - int (*ioctl) (struct snd_hwdep *hw, struct file * file, unsigned int cmd, unsigned long arg); - int (*ioctl_compat) (struct snd_hwdep *hw, struct file * file, unsigned int cmd, unsigned long arg); - int (*mmap) (struct snd_hwdep *hw, struct file * file, struct vm_area_struct * vma); - int (*dsp_status) (struct snd_hwdep *hw, struct snd_hwdep_dsp_status *status); - int (*dsp_load) (struct snd_hwdep *hw, struct snd_hwdep_dsp_image *image); + long long (*llseek)(struct snd_hwdep *hw, struct file *file, + long long offset, int orig); + long (*read)(struct snd_hwdep *hw, char __user *buf, + long count, loff_t *offset); + long (*write)(struct snd_hwdep *hw, const char __user *buf, + long count, loff_t *offset); + int (*open)(struct snd_hwdep *hw, struct file * file); + int (*release)(struct snd_hwdep *hw, struct file * file); + unsigned int (*poll)(struct snd_hwdep *hw, struct file *file, + poll_table *wait); + int (*ioctl)(struct snd_hwdep *hw, struct file *file, + unsigned int cmd, unsigned long arg); + int (*ioctl_compat)(struct snd_hwdep *hw, struct file *file, + unsigned int cmd, unsigned long arg); + int (*mmap)(struct snd_hwdep *hw, struct file *file, + struct vm_area_struct *vma); + int (*dsp_status)(struct snd_hwdep *hw, + struct snd_hwdep_dsp_status *status); + int (*dsp_load)(struct snd_hwdep *hw, + struct snd_hwdep_dsp_image *image); }; struct snd_hwdep { @@ -61,9 +71,9 @@ struct snd_hwdep { void (*private_free) (struct snd_hwdep *hwdep); struct mutex open_mutex; - int used; - unsigned int dsp_loaded; - unsigned int exclusive: 1; + int used; /* reference counter */ + unsigned int dsp_loaded; /* bit fields of loaded dsp indices */ + unsigned int exclusive:1; /* exclusive access mode */ }; extern int snd_hwdep_new(struct snd_card *card, char *id, int device, diff --git a/sound/core/hwdep.c b/sound/core/hwdep.c index 195cafc5a553..a70ee7f1ed98 100644 --- a/sound/core/hwdep.c +++ b/sound/core/hwdep.c @@ -99,9 +99,6 @@ static int snd_hwdep_open(struct inode *inode, struct file * file) if (hw == NULL) return -ENODEV; - if (!hw->ops.open) - return -ENXIO; - if (!try_module_get(hw->card->module)) return -EFAULT; @@ -113,6 +110,10 @@ static int snd_hwdep_open(struct inode *inode, struct file * file) err = -EBUSY; break; } + if (!hw->ops.open) { + err = 0; + break; + } err = hw->ops.open(hw, file); if (err >= 0) break; @@ -151,7 +152,7 @@ static int snd_hwdep_open(struct inode *inode, struct file * file) static int snd_hwdep_release(struct inode *inode, struct file * file) { - int err = -ENXIO; + int err = 0; struct snd_hwdep *hw = file->private_data; struct module *mod = hw->card->module; diff --git a/sound/drivers/vx/vx_hwdep.c b/sound/drivers/vx/vx_hwdep.c index 8d6362e2d4c9..46df8817c18f 100644 --- a/sound/drivers/vx/vx_hwdep.c +++ b/sound/drivers/vx/vx_hwdep.c @@ -119,16 +119,6 @@ void snd_vx_free_firmware(struct vx_core *chip) #else /* old style firmware loading */ -static int vx_hwdep_open(struct snd_hwdep *hw, struct file *file) -{ - return 0; -} - -static int vx_hwdep_release(struct snd_hwdep *hw, struct file *file) -{ - return 0; -} - static int vx_hwdep_dsp_status(struct snd_hwdep *hw, struct snd_hwdep_dsp_status *info) { @@ -243,8 +233,6 @@ int snd_vx_setup_firmware(struct vx_core *chip) hw->iface = SNDRV_HWDEP_IFACE_VX; hw->private_data = chip; - hw->ops.open = vx_hwdep_open; - hw->ops.release = vx_hwdep_release; hw->ops.dsp_status = vx_hwdep_dsp_status; hw->ops.dsp_load = vx_hwdep_dsp_load; hw->exclusive = 1; diff --git a/sound/pci/mixart/mixart_hwdep.c b/sound/pci/mixart/mixart_hwdep.c index 3782b52bc0e8..fa4de985fc4c 100644 --- a/sound/pci/mixart/mixart_hwdep.c +++ b/sound/pci/mixart/mixart_hwdep.c @@ -581,16 +581,6 @@ MODULE_FIRMWARE("mixart/miXart8AES.xlx"); /* miXart hwdep interface id string */ #define SND_MIXART_HWDEP_ID "miXart Loader" -static int mixart_hwdep_open(struct snd_hwdep *hw, struct file *file) -{ - return 0; -} - -static int mixart_hwdep_release(struct snd_hwdep *hw, struct file *file) -{ - return 0; -} - static int mixart_hwdep_dsp_status(struct snd_hwdep *hw, struct snd_hwdep_dsp_status *info) { @@ -643,8 +633,6 @@ int snd_mixart_setup_firmware(struct mixart_mgr *mgr) hw->iface = SNDRV_HWDEP_IFACE_MIXART; hw->private_data = mgr; - hw->ops.open = mixart_hwdep_open; - hw->ops.release = mixart_hwdep_release; hw->ops.dsp_status = mixart_hwdep_dsp_status; hw->ops.dsp_load = mixart_hwdep_dsp_load; hw->exclusive = 1; diff --git a/sound/pci/pcxhr/pcxhr_hwdep.c b/sound/pci/pcxhr/pcxhr_hwdep.c index 592743a298b0..17cb1233a903 100644 --- a/sound/pci/pcxhr/pcxhr_hwdep.c +++ b/sound/pci/pcxhr/pcxhr_hwdep.c @@ -471,16 +471,6 @@ static int pcxhr_hwdep_dsp_load(struct snd_hwdep *hw, return 0; } -static int pcxhr_hwdep_open(struct snd_hwdep *hw, struct file *file) -{ - return 0; -} - -static int pcxhr_hwdep_release(struct snd_hwdep *hw, struct file *file) -{ - return 0; -} - int pcxhr_setup_firmware(struct pcxhr_mgr *mgr) { int err; @@ -495,8 +485,6 @@ int pcxhr_setup_firmware(struct pcxhr_mgr *mgr) hw->iface = SNDRV_HWDEP_IFACE_PCXHR; hw->private_data = mgr; - hw->ops.open = pcxhr_hwdep_open; - hw->ops.release = pcxhr_hwdep_release; hw->ops.dsp_status = pcxhr_hwdep_dsp_status; hw->ops.dsp_load = pcxhr_hwdep_dsp_load; hw->exclusive = 1; diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c index 05b3f795a168..bacfdd12619b 100644 --- a/sound/pci/rme9652/hdsp.c +++ b/sound/pci/rme9652/hdsp.c @@ -4413,13 +4413,6 @@ static int snd_hdsp_capture_release(struct snd_pcm_substream *substream) return 0; } -static int snd_hdsp_hwdep_dummy_op(struct snd_hwdep *hw, struct file *file) -{ - /* we have nothing to initialize but the call is required */ - return 0; -} - - /* helper functions for copying meter values */ static inline int copy_u32_le(void __user *dest, void __iomem *src) { @@ -4738,9 +4731,7 @@ static int snd_hdsp_create_hwdep(struct snd_card *card, struct hdsp *hdsp) hw->private_data = hdsp; strcpy(hw->name, "HDSP hwdep interface"); - hw->ops.open = snd_hdsp_hwdep_dummy_op; hw->ops.ioctl = snd_hdsp_hwdep_ioctl; - hw->ops.release = snd_hdsp_hwdep_dummy_op; return 0; } diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c index d4b4e0d0fee8..bac2dc0c5d85 100644 --- a/sound/pci/rme9652/hdspm.c +++ b/sound/pci/rme9652/hdspm.c @@ -4100,13 +4100,6 @@ static int snd_hdspm_capture_release(struct snd_pcm_substream *substream) return 0; } -static int snd_hdspm_hwdep_dummy_op(struct snd_hwdep * hw, struct file *file) -{ - /* we have nothing to initialize but the call is required */ - return 0; -} - - static int snd_hdspm_hwdep_ioctl(struct snd_hwdep * hw, struct file *file, unsigned int cmd, unsigned long arg) { @@ -4213,9 +4206,7 @@ static int __devinit snd_hdspm_create_hwdep(struct snd_card *card, hw->private_data = hdspm; strcpy(hw->name, "HDSPM hwdep interface"); - hw->ops.open = snd_hdspm_hwdep_dummy_op; hw->ops.ioctl = snd_hdspm_hwdep_ioctl; - hw->ops.release = snd_hdspm_hwdep_dummy_op; return 0; } diff --git a/sound/synth/emux/emux_hwdep.c b/sound/synth/emux/emux_hwdep.c index 0a5391436add..ff0b2a8fd25b 100644 --- a/sound/synth/emux/emux_hwdep.c +++ b/sound/synth/emux/emux_hwdep.c @@ -24,25 +24,6 @@ #include <asm/uaccess.h> #include "emux_voice.h" -/* - * open the hwdep device - */ -static int -snd_emux_hwdep_open(struct snd_hwdep *hw, struct file *file) -{ - return 0; -} - - -/* - * close the device - */ -static int -snd_emux_hwdep_release(struct snd_hwdep *hw, struct file *file) -{ - return 0; -} - #define TMP_CLIENT_ID 0x1001 @@ -146,8 +127,6 @@ snd_emux_init_hwdep(struct snd_emux *emu) emu->hwdep = hw; strcpy(hw->name, SNDRV_EMUX_HWDEP_NAME); hw->iface = SNDRV_HWDEP_IFACE_EMUX_WAVETABLE; - hw->ops.open = snd_emux_hwdep_open; - hw->ops.release = snd_emux_hwdep_release; hw->ops.ioctl = snd_emux_hwdep_ioctl; hw->exclusive = 1; hw->private_data = emu; diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c index 00397c8a765b..2bde79216fa5 100644 --- a/sound/usb/usbmixer.c +++ b/sound/usb/usbmixer.c @@ -78,7 +78,6 @@ struct usb_mixer_interface { /* Sound Blaster remote control stuff */ const struct rc_config *rc_cfg; - unsigned long rc_hwdep_open; u32 rc_code; wait_queue_head_t rc_waitq; struct urb *rc_urb; @@ -1797,24 +1796,6 @@ static void snd_usb_soundblaster_remote_complete(struct urb *urb) wake_up(&mixer->rc_waitq); } -static int snd_usb_sbrc_hwdep_open(struct snd_hwdep *hw, struct file *file) -{ - struct usb_mixer_interface *mixer = hw->private_data; - - if (test_and_set_bit(0, &mixer->rc_hwdep_open)) - return -EBUSY; - return 0; -} - -static int snd_usb_sbrc_hwdep_release(struct snd_hwdep *hw, struct file *file) -{ - struct usb_mixer_interface *mixer = hw->private_data; - - clear_bit(0, &mixer->rc_hwdep_open); - smp_mb__after_clear_bit(); - return 0; -} - static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf, long count, loff_t *offset) { @@ -1867,9 +1848,8 @@ static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer) hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC; hwdep->private_data = mixer; hwdep->ops.read = snd_usb_sbrc_hwdep_read; - hwdep->ops.open = snd_usb_sbrc_hwdep_open; - hwdep->ops.release = snd_usb_sbrc_hwdep_release; hwdep->ops.poll = snd_usb_sbrc_hwdep_poll; + hwdep->exclusive = 1; mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL); if (!mixer->rc_urb) diff --git a/sound/usb/usx2y/usX2Yhwdep.c b/sound/usb/usx2y/usX2Yhwdep.c index 1558a5c4094f..a26d8d83d3eb 100644 --- a/sound/usb/usx2y/usX2Yhwdep.c +++ b/sound/usb/usx2y/usX2Yhwdep.c @@ -106,16 +106,6 @@ static unsigned int snd_us428ctls_poll(struct snd_hwdep *hw, struct file *file, } -static int snd_usX2Y_hwdep_open(struct snd_hwdep *hw, struct file *file) -{ - return 0; -} - -static int snd_usX2Y_hwdep_release(struct snd_hwdep *hw, struct file *file) -{ - return 0; -} - static int snd_usX2Y_hwdep_dsp_status(struct snd_hwdep *hw, struct snd_hwdep_dsp_status *info) { @@ -267,8 +257,6 @@ int usX2Y_hwdep_new(struct snd_card *card, struct usb_device* device) hw->iface = SNDRV_HWDEP_IFACE_USX2Y; hw->private_data = usX2Y(card); - hw->ops.open = snd_usX2Y_hwdep_open; - hw->ops.release = snd_usX2Y_hwdep_release; hw->ops.dsp_status = snd_usX2Y_hwdep_dsp_status; hw->ops.dsp_load = snd_usX2Y_hwdep_dsp_load; hw->ops.mmap = snd_us428ctls_mmap; |