diff options
Diffstat (limited to 'drivers/media/rc/rc-loopback.c')
| -rw-r--r-- | drivers/media/rc/rc-loopback.c | 48 |
1 files changed, 41 insertions, 7 deletions
diff --git a/drivers/media/rc/rc-loopback.c b/drivers/media/rc/rc-loopback.c index 63dace8198b0..62195af24fbe 100644 --- a/drivers/media/rc/rc-loopback.c +++ b/drivers/media/rc/rc-loopback.c @@ -17,15 +17,12 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * */ #include <linux/device.h> #include <linux/module.h> #include <linux/sched.h> +#include <linux/slab.h> #include <media/rc-core.h> #define DRIVER_NAME "rc-loopback" @@ -176,12 +173,47 @@ static int loop_set_carrier_report(struct rc_dev *dev, int enable) return 0; } +static int loop_set_wakeup_filter(struct rc_dev *dev, + struct rc_scancode_filter *sc) +{ + static const unsigned int max = 512; + struct ir_raw_event *raw; + int ret; + int i; + + /* fine to disable filter */ + if (!sc->mask) + return 0; + + /* encode the specified filter and loop it back */ + raw = kmalloc_array(max, sizeof(*raw), GFP_KERNEL); + if (!raw) + return -ENOMEM; + + ret = ir_raw_encode_scancode(dev->wakeup_protocol, sc->data, raw, max); + /* still loop back the partial raw IR even if it's incomplete */ + if (ret == -ENOBUFS) + ret = max; + if (ret >= 0) { + /* do the loopback */ + for (i = 0; i < ret; ++i) + ir_raw_event_store(dev, &raw[i]); + ir_raw_event_handle(dev); + + ret = 0; + } + + kfree(raw); + + return ret; +} + static int __init loop_init(void) { struct rc_dev *rc; int ret; - rc = rc_allocate_device(); + rc = rc_allocate_device(RC_DRIVER_IR_RAW); if (!rc) { printk(KERN_ERR DRIVER_NAME ": rc_dev allocation failed\n"); return -ENOMEM; @@ -194,8 +226,9 @@ static int __init loop_init(void) rc->driver_name = DRIVER_NAME; rc->map_name = RC_MAP_EMPTY; rc->priv = &loopdev; - rc->driver_type = RC_DRIVER_IR_RAW; - rc->allowed_protocols = RC_BIT_ALL; + rc->allowed_protocols = RC_BIT_ALL_IR_DECODER; + rc->allowed_wakeup_protocols = RC_BIT_ALL_IR_ENCODER; + rc->encode_wakeup = true; rc->timeout = 100 * 1000 * 1000; /* 100 ms */ rc->min_timeout = 1; rc->max_timeout = UINT_MAX; @@ -209,6 +242,7 @@ static int __init loop_init(void) rc->s_idle = loop_set_idle; rc->s_learning_mode = loop_set_learning_mode; rc->s_carrier_report = loop_set_carrier_report; + rc->s_wakeup_filter = loop_set_wakeup_filter; loopdev.txmask = RXMASK_REGULAR; loopdev.txcarrier = 36000; |