diff options
Diffstat (limited to 'drivers/media/pci')
-rw-r--r-- | drivers/media/pci/cx25821/cx25821-audio-upstream.c | 179 | ||||
-rw-r--r-- | drivers/media/pci/ttpci/av7110_ir.c | 2 | ||||
-rw-r--r-- | drivers/media/pci/zoran/zoran_procfs.c | 4 |
3 files changed, 56 insertions, 129 deletions
diff --git a/drivers/media/pci/cx25821/cx25821-audio-upstream.c b/drivers/media/pci/cx25821/cx25821-audio-upstream.c index b9be535e32b..68dbc2dbc98 100644 --- a/drivers/media/pci/cx25821/cx25821-audio-upstream.c +++ b/drivers/media/pci/cx25821/cx25821-audio-upstream.c @@ -259,79 +259,46 @@ void cx25821_free_mem_upstream_audio(struct cx25821_dev *dev) static int cx25821_get_audio_data(struct cx25821_dev *dev, const struct sram_channel *sram_ch) { - struct file *myfile; + struct file *file; int frame_index_temp = dev->_audioframe_index; int i = 0; - int line_size = AUDIO_LINE_SIZE; int frame_size = AUDIO_DATA_BUF_SZ; int frame_offset = frame_size * frame_index_temp; - ssize_t vfs_read_retval = 0; - char mybuf[line_size]; + char mybuf[AUDIO_LINE_SIZE]; loff_t file_offset = dev->_audioframe_count * frame_size; - loff_t pos; - mm_segment_t old_fs; + char *p = NULL; if (dev->_audiofile_status == END_OF_FILE) return 0; - myfile = filp_open(dev->_audiofilename, O_RDONLY | O_LARGEFILE, 0); + file = filp_open(dev->_audiofilename, O_RDONLY | O_LARGEFILE, 0); + if (IS_ERR(file)) { + pr_err("%s(): ERROR opening file(%s) with errno = %ld!\n", + __func__, dev->_audiofilename, -PTR_ERR(file)); + return PTR_ERR(file); + } - if (IS_ERR(myfile)) { - const int open_errno = -PTR_ERR(myfile); - pr_err("%s(): ERROR opening file(%s) with errno = %d!\n", - __func__, dev->_audiofilename, open_errno); - return PTR_ERR(myfile); - } else { - if (!(myfile->f_op)) { - pr_err("%s(): File has no file operations registered!\n", - __func__); - filp_close(myfile, NULL); - return -EIO; - } + if (dev->_audiodata_buf_virt_addr) + p = (char *)dev->_audiodata_buf_virt_addr + frame_offset; - if (!myfile->f_op->read) { - pr_err("%s(): File has no READ operations registered!\n", + for (i = 0; i < dev->_audio_lines_count; i++) { + int n = kernel_read(file, file_offset, mybuf, AUDIO_LINE_SIZE); + if (n < AUDIO_LINE_SIZE) { + pr_info("Done: exit %s() since no more bytes to read from Audio file\n", __func__); - filp_close(myfile, NULL); - return -EIO; + dev->_audiofile_status = END_OF_FILE; + fput(file); + return 0; } - - pos = myfile->f_pos; - old_fs = get_fs(); - set_fs(KERNEL_DS); - - for (i = 0; i < dev->_audio_lines_count; i++) { - pos = file_offset; - - vfs_read_retval = vfs_read(myfile, mybuf, line_size, - &pos); - - if (vfs_read_retval > 0 && vfs_read_retval == line_size - && dev->_audiodata_buf_virt_addr != NULL) { - memcpy((void *)(dev->_audiodata_buf_virt_addr + - frame_offset / 4), mybuf, - vfs_read_retval); - } - - file_offset += vfs_read_retval; - frame_offset += vfs_read_retval; - - if (vfs_read_retval < line_size) { - pr_info("Done: exit %s() since no more bytes to read from Audio file\n", - __func__); - break; - } + dev->_audiofile_status = IN_PROGRESS; + if (p) { + memcpy(p, mybuf, n); + p += n; } - - if (i > 0) - dev->_audioframe_count++; - - dev->_audiofile_status = (vfs_read_retval == line_size) ? - IN_PROGRESS : END_OF_FILE; - - set_fs(old_fs); - filp_close(myfile, NULL); + file_offset += n; } + dev->_audioframe_count++; + fput(file); return 0; } @@ -354,81 +321,41 @@ static void cx25821_audioups_handler(struct work_struct *work) static int cx25821_openfile_audio(struct cx25821_dev *dev, const struct sram_channel *sram_ch) { - struct file *myfile; - int i = 0, j = 0; - int line_size = AUDIO_LINE_SIZE; - ssize_t vfs_read_retval = 0; - char mybuf[line_size]; - loff_t pos; - loff_t offset = (unsigned long)0; - mm_segment_t old_fs; - - myfile = filp_open(dev->_audiofilename, O_RDONLY | O_LARGEFILE, 0); - - if (IS_ERR(myfile)) { - const int open_errno = -PTR_ERR(myfile); - pr_err("%s(): ERROR opening file(%s) with errno = %d!\n", - __func__, dev->_audiofilename, open_errno); - return PTR_ERR(myfile); - } else { - if (!(myfile->f_op)) { - pr_err("%s(): File has no file operations registered!\n", - __func__); - filp_close(myfile, NULL); - return -EIO; - } - - if (!myfile->f_op->read) { - pr_err("%s(): File has no READ operations registered!\n", - __func__); - filp_close(myfile, NULL); - return -EIO; - } - - pos = myfile->f_pos; - old_fs = get_fs(); - set_fs(KERNEL_DS); - - for (j = 0; j < NUM_AUDIO_FRAMES; j++) { - for (i = 0; i < dev->_audio_lines_count; i++) { - pos = offset; - - vfs_read_retval = vfs_read(myfile, mybuf, - line_size, &pos); - - if (vfs_read_retval > 0 && - vfs_read_retval == line_size && - dev->_audiodata_buf_virt_addr != NULL) { - memcpy((void *)(dev-> - _audiodata_buf_virt_addr - + offset / 4), mybuf, - vfs_read_retval); - } + char *p = (void *)dev->_audiodata_buf_virt_addr; + struct file *file; + loff_t offset; + int i, j; + + file = filp_open(dev->_audiofilename, O_RDONLY | O_LARGEFILE, 0); + if (IS_ERR(file)) { + pr_err("%s(): ERROR opening file(%s) with errno = %ld!\n", + __func__, dev->_audiofilename, PTR_ERR(file)); + return PTR_ERR(file); + } - offset += vfs_read_retval; + for (j = 0, offset = 0; j < NUM_AUDIO_FRAMES; j++) { + for (i = 0; i < dev->_audio_lines_count; i++) { + char buf[AUDIO_LINE_SIZE]; + int n = kernel_read(file, offset, buf, + AUDIO_LINE_SIZE); - if (vfs_read_retval < line_size) { - pr_info("Done: exit %s() since no more bytes to read from Audio file\n", - __func__); - break; - } + if (n < AUDIO_LINE_SIZE) { + pr_info("Done: exit %s() since no more bytes to read from Audio file\n", + __func__); + dev->_audiofile_status = END_OF_FILE; + fput(file); + return 0; } - if (i > 0) - dev->_audioframe_count++; + if (p) + memcpy(p + offset, buf, n); - if (vfs_read_retval < line_size) - break; + offset += n; } - - dev->_audiofile_status = (vfs_read_retval == line_size) ? - IN_PROGRESS : END_OF_FILE; - - set_fs(old_fs); - myfile->f_pos = 0; - filp_close(myfile, NULL); + dev->_audioframe_count++; } - + dev->_audiofile_status = IN_PROGRESS; + fput(file); return 0; } diff --git a/drivers/media/pci/ttpci/av7110_ir.c b/drivers/media/pci/ttpci/av7110_ir.c index eb822862a64..0e763a784e2 100644 --- a/drivers/media/pci/ttpci/av7110_ir.c +++ b/drivers/media/pci/ttpci/av7110_ir.c @@ -375,7 +375,7 @@ int av7110_ir_init(struct av7110 *av7110) if (av_cnt == 1) { e = proc_create("av7110_ir", S_IWUSR, NULL, &av7110_ir_proc_fops); if (e) - e->size = 4 + 256 * sizeof(u16); + proc_set_size(e, 4 + 256 * sizeof(u16)); } tasklet_init(&av7110->ir.ir_tasklet, av7110_emit_key, (unsigned long) &av7110->ir); diff --git a/drivers/media/pci/zoran/zoran_procfs.c b/drivers/media/pci/zoran/zoran_procfs.c index 1512b5d4053..f7ceee0cdef 100644 --- a/drivers/media/pci/zoran/zoran_procfs.c +++ b/drivers/media/pci/zoran/zoran_procfs.c @@ -130,14 +130,14 @@ static int zoran_show(struct seq_file *p, void *v) static int zoran_open(struct inode *inode, struct file *file) { - struct zoran *data = PDE(inode)->data; + struct zoran *data = PDE_DATA(inode); return single_open(file, zoran_show, data); } static ssize_t zoran_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) { - struct zoran *zr = PDE(file_inode(file))->data; + struct zoran *zr = PDE_DATA(file_inode(file)); char *string, *sp; char *line, *ldelim, *varname, *svar, *tdelim; |