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Searched refs:last_ptr (Results 1 – 4 of 4) sorted by relevance

/Linux-v4.19/sound/isa/sb/
Demu8000_pcm.c64 int last_ptr; member
204 if (ptr < rec->last_ptr) in emu8k_pcm_timer_func()
205 delta = ptr + rec->buf_size - rec->last_ptr; in emu8k_pcm_timer_func()
207 delta = ptr - rec->last_ptr; in emu8k_pcm_timer_func()
209 rec->last_ptr = ptr; in emu8k_pcm_timer_func()
623 rec->last_ptr = 0; in emu8k_pcm_prepare()
/Linux-v4.19/fs/btrfs/
Dextent-tree.c7232 struct btrfs_free_cluster *last_ptr = NULL; in find_free_extent() local
7283 last_ptr = fetch_cluster_info(fs_info, space_info, &empty_cluster); in find_free_extent()
7284 if (last_ptr) { in find_free_extent()
7285 spin_lock(&last_ptr->lock); in find_free_extent()
7286 if (last_ptr->block_group) in find_free_extent()
7287 hint_byte = last_ptr->window_start; in find_free_extent()
7288 if (last_ptr->fragmented) { in find_free_extent()
7294 hint_byte = last_ptr->window_start; in find_free_extent()
7297 spin_unlock(&last_ptr->lock); in find_free_extent()
7388 if (last_ptr && use_cluster) { in find_free_extent()
[all …]
/Linux-v4.19/drivers/rapidio/devices/
Dtsi721.c1765 u64 *sts_ptr, last_ptr = 0, prev_ptr = 0; in tsi721_omsg_handler() local
1778 prev_ptr = last_ptr; in tsi721_omsg_handler()
1779 last_ptr = le64_to_cpu(sts_ptr[j]); in tsi721_omsg_handler()
1788 if (last_ptr == 0) in tsi721_omsg_handler()
1799 tx_slot = (last_ptr - (u64)priv->omsg_ring[ch].omd_phys)/ in tsi721_omsg_handler()
/Linux-v4.19/Documentation/sound/kernel-api/
Dwriting-an-alsa-driver.rst2191 unsigned int last_ptr, size;
2193 last_ptr = get_hw_ptr(chip);
2197 if (last_ptr < chip->last_ptr)
2198 size = runtime->buffer_size + last_ptr
2199 - chip->last_ptr;
2201 size = last_ptr - chip->last_ptr;
2203 chip->last_ptr = last_ptr;