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authorLinus Torvalds <torvalds@linux-foundation.org>2016-07-26 18:59:59 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-07-26 18:59:59 -0700
commit9c1958fc326a0a0a533ec8e86ea6fa30977207de (patch)
tree9d76e6a146c2622fad0eefbb8ff0503caefe33cc /drivers/input
parent1b3fc0bef8859268d542230172f80e85553fdab4 (diff)
parent009a620848218d521f008141c62f56bf19294dd9 (diff)
Merge tag 'media/v4.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab: - new framework support for HDMI CEC and remote control support - new encoding codec driver for Mediatek SoC - new frontend driver: helene tuner - added support for NetUp almost universal devices, with supports DVB-C/S/S2/T/T2 and ISDB-T - the mn88472 frontend driver got promoted from staging - a new driver for RCar video input - some soc_camera legacy drivers got removed: timb, omap1, mx2, mx3 - lots of driver cleanups, improvements and fixups * tag 'media/v4.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (377 commits) [media] cec: always check all_device_types and features [media] cec: poll should check if there is room in the tx queue [media] vivid: support monitor all mode [media] cec: fix test for unconfigured adapter in main message loop [media] cec: limit the size of the transmit queue [media] cec: zero unused msg part after msg->len [media] cec: don't set fh to NULL in CEC_TRANSMIT [media] cec: clear all status fields before transmit and always fill in sequence [media] cec: CEC_RECEIVE overwrote the timeout field [media] cxd2841er: Reading SNR for DVB-C added [media] cxd2841er: Reading BER and UCB for DVB-C added [media] cxd2841er: fix switch-case for DVB-C [media] cxd2841er: fix signal strength scale for ISDB-T [media] cxd2841er: adjust the dB scale for DVB-C [media] cxd2841er: provide signal strength for DVB-C [media] cxd2841er: fix BER report via DVBv5 stats API [media] mb86a20s: apply mask to val after checking for read failure [media] airspy: fix error logic during device register [media] s5p-cec/TODO: add TODO item [media] cec/TODO: drop comment about sphinx documentation ...
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/touchscreen/sur40.c21
1 files changed, 5 insertions, 16 deletions
diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c
index 880c40b23f66..4ea475775d58 100644
--- a/drivers/input/touchscreen/sur40.c
+++ b/drivers/input/touchscreen/sur40.c
@@ -126,7 +126,7 @@ struct sur40_image_header {
#define VIDEO_PACKET_SIZE 16384
/* polling interval (ms) */
-#define POLL_INTERVAL 4
+#define POLL_INTERVAL 1
/* maximum number of contacts FIXME: this is a guess? */
#define MAX_CONTACTS 64
@@ -151,7 +151,6 @@ struct sur40_state {
struct mutex lock;
struct vb2_queue queue;
- struct vb2_alloc_ctx *alloc_ctx;
struct list_head buf_list;
spinlock_t qlock;
int sequence;
@@ -448,7 +447,7 @@ static void sur40_process_video(struct sur40_state *sur40)
/* return error if streaming was stopped in the meantime */
if (sur40->sequence == -1)
- goto err_poll;
+ return;
/* mark as finished */
new_buf->vb.vb2_buf.timestamp = ktime_get_ns();
@@ -580,19 +579,13 @@ static int sur40_probe(struct usb_interface *interface,
sur40->queue = sur40_queue;
sur40->queue.drv_priv = sur40;
sur40->queue.lock = &sur40->lock;
+ sur40->queue.dev = sur40->dev;
/* initialize the queue */
error = vb2_queue_init(&sur40->queue);
if (error)
goto err_unreg_v4l2;
- sur40->alloc_ctx = vb2_dma_sg_init_ctx(sur40->dev);
- if (IS_ERR(sur40->alloc_ctx)) {
- dev_err(sur40->dev, "Can't allocate buffer context");
- error = PTR_ERR(sur40->alloc_ctx);
- goto err_unreg_v4l2;
- }
-
sur40->vdev = sur40_video_device;
sur40->vdev.v4l2_dev = &sur40->v4l2;
sur40->vdev.lock = &sur40->lock;
@@ -633,7 +626,6 @@ static void sur40_disconnect(struct usb_interface *interface)
video_unregister_device(&sur40->vdev);
v4l2_device_unregister(&sur40->v4l2);
- vb2_dma_sg_cleanup_ctx(sur40->alloc_ctx);
input_unregister_polled_device(sur40->input);
input_free_polled_device(sur40->input);
@@ -653,13 +645,10 @@ static void sur40_disconnect(struct usb_interface *interface)
*/
static int sur40_queue_setup(struct vb2_queue *q,
unsigned int *nbuffers, unsigned int *nplanes,
- unsigned int sizes[], void *alloc_ctxs[])
+ unsigned int sizes[], struct device *alloc_devs[])
{
- struct sur40_state *sur40 = vb2_get_drv_priv(q);
-
if (q->num_buffers + *nbuffers < 3)
*nbuffers = 3 - q->num_buffers;
- alloc_ctxs[0] = sur40->alloc_ctx;
if (*nplanes)
return sizes[0] < sur40_video_format.sizeimage ? -EINVAL : 0;
@@ -736,6 +725,7 @@ static int sur40_start_streaming(struct vb2_queue *vq, unsigned int count)
static void sur40_stop_streaming(struct vb2_queue *vq)
{
struct sur40_state *sur40 = vb2_get_drv_priv(vq);
+ vb2_wait_for_all_buffers(vq);
sur40->sequence = -1;
/* Release all active buffers */
@@ -793,7 +783,6 @@ static int sur40_vidioc_enum_fmt(struct file *file, void *priv,
{
if (f->index != 0)
return -EINVAL;
- strlcpy(f->description, "8-bit greyscale", sizeof(f->description));
f->pixelformat = V4L2_PIX_FMT_GREY;
f->flags = 0;
return 0;