/* * Linux driver for TerraTec DMX 6Fire USB * * Author: Torsten Schenk * Created: Jan 01, 2011 * Copyright: (C) Torsten Schenk * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ #ifndef USB6FIRE_PCM_H #define USB6FIRE_PCM_H #include #include #include "common.h" enum /* settings for pcm */ { /* maximum of EP_W_MAX_PACKET_SIZE[] (see firmware.c) */ PCM_N_URBS = 16, PCM_N_PACKETS_PER_URB = 8, PCM_MAX_PACKET_SIZE = 604 }; struct pcm_urb { struct sfire_chip *chip; /* BEGIN DO NOT SEPARATE */ struct urb instance; struct usb_iso_packet_descriptor packets[PCM_N_PACKETS_PER_URB]; /* END DO NOT SEPARATE */ u8 *buffer; struct pcm_urb *peer; }; struct pcm_substream { spinlock_t lock; struct snd_pcm_substream *instance; bool active; snd_pcm_uframes_t dma_off; /* current position in alsa dma_area */ snd_pcm_uframes_t period_off; /* current position in current period */ }; struct pcm_runtime { struct sfire_chip *chip; struct snd_pcm *instance; struct pcm_substream playback; struct pcm_substream capture; bool panic; /* if set driver won't do anymore pcm on device */ struct pcm_urb in_urbs[PCM_N_URBS]; struct pcm_urb out_urbs[PCM_N_URBS]; int in_packet_size; int out_packet_size; int in_n_analog; /* number of analog channels soundcard sends */ int out_n_analog; /* number of analog channels soundcard receives */ struct mutex stream_mutex; u8 stream_state; /* one of STREAM_XXX (pcm.c) */ u8 rate; /* one of PCM_RATE_XXX */ wait_queue_head_t stream_wait_queue; bool stream_wait_cond; }; int usb6fire_pcm_init(struct sfire_chip *chip); void usb6fire_pcm_abort(struct sfire_chip *chip); void usb6fire_pcm_destroy(struct sfire_chip *chip); #endif /* USB6FIRE_PCM_H */ 2f29ee71aa83e6c320a911137c189'>treecommitdiff
path: root/drivers/usb/serial/pl2303.c
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authorRicardo Ribalda <ricardo.ribalda@gmail.com>2017-01-27 15:59:30 +0100
committerWolfram Sang <wsa@the-dreams.de>2017-02-09 17:10:38 +0100
commitf43128c75202f29ee71aa83e6c320a911137c189 (patch)
tree85280695db72c8ae27f6c0c312a8573a4d756c80 /drivers/usb/serial/pl2303.c
parentd5adbfcd5f7bcc6fa58a41c5c5ada0e5c826ce2c (diff)
i2c: piix4: Fix request_region size
Since '701dc207bf55 ("i2c: piix4: Avoid race conditions with IMC")' we are using the SMBSLVCNT register at offset 0x8. We need to request it. Fixes: 701dc207bf55 ("i2c: piix4: Avoid race conditions with IMC") Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/usb/serial/pl2303.c')