Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb

* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (196 commits)
  V4L/DVB (5253): Qt1010: whitespace / 80 column cleanups
  V4L/DVB (5252): Qt1010: use ARRAY_SIZE macro when appropriate
  V4L/DVB (5251): Qt1010: fix compiler warning
  V4L/DVB (5249): Fix compiler warning in vivi.c
  V4L/DVB (5247): Stv0297: Enable BER/UNC counting
  V4L/DVB (5246): Budget-ci: IR handling fixups
  V4L/DVB (5245): Dvb-ttpci: use i2c gate ctrl from stv0297 frontend driver
  V4L/DVB (5244): Dvbdev: fix illegal re-usage of fileoperations struct
  V4L/DVB (5178): Avoid race when deregistering the IR control for dvb-usb
  V4L/DVB (5240): Qt1010: use i2c_gate_ctrl where appropriate
  V4L/DVB (5239): Whitespace / 80-column cleanups
  V4L/DVB (5238): Kconfig: qt1010 should be selected by gl861 and au6610
  V4L/DVB (5237): Dvb: add new qt1010 tuner module
  V4L/DVB (5236): Initial support for Sigmatek DVB-110 DVB-T
  V4L/DVB (5235): Gl861: use parallel_ts
  V4L/DVB (5234): Gl861: remove unneeded declaration
  V4L/DVB (5233): Gl861: correct address of the bulk endpoint
  V4L/DVB (5232): Gl861: correct oops when loading module
  V4L/DVB (5231): Gl861: whitespace cleanups
  V4L/DVB (5230): Gl861: remove NULL entry from gl861_properties
  ...

1 files changed, 110 insertions, 0 deletions

diff --git a/drivers/media/common/ir-functions.c b/drivers/media/common/ir-functions.c
index 9a8dd8764c99..cbf7c0564889 100644
--- a/drivers/media/common/ir-functions.c
+++ b/drivers/media/common/ir-functions.c
@@ -256,6 +256,112 @@ int ir_decode_biphase(u32 *samples, int count, int low, int high)
         return value;
 }
 
+/* RC5 decoding stuff, moved from bttv-input.c to share it with
+ * saa7134 */
+
+/* decode raw bit pattern to RC5 code */
+u32 ir_rc5_decode(unsigned int code)
+{
+        unsigned int org_code = code;
+        unsigned int pair;
+        unsigned int rc5 = 0;
+        int i;
+
+        for (i = 0; i < 14; ++i) {
+                pair = code & 0x3;
+                code >>= 2;
+
+                rc5 <<= 1;
+                switch (pair) {
+                case 0:
+                case 2:
+                        break;
+                case 1:
+                        rc5 |= 1;
+                        break;
+                case 3:
+                        dprintk(1, "ir-common: ir_rc5_decode(%x) bad code\n", org_code);
+                        return 0;
+                }
+        }
+        dprintk(1, "ir-common: code=%x, rc5=%x, start=%x, toggle=%x, address=%x, "
+                "instr=%x\n", rc5, org_code, RC5_START(rc5),
+                RC5_TOGGLE(rc5), RC5_ADDR(rc5), RC5_INSTR(rc5));
+        return rc5;
+}
+
+void ir_rc5_timer_end(unsigned long data)
+{
+        struct card_ir *ir = (struct card_ir *)data;
+        struct timeval tv;
+        unsigned long current_jiffies, timeout;
+        u32 gap;
+        u32 rc5 = 0;
+
+        /* get time */
+        current_jiffies = jiffies;
+        do_gettimeofday(&tv);
+
+        /* avoid overflow with gap >1s */
+        if (tv.tv_sec - ir->base_time.tv_sec > 1) {
+                gap = 200000;
+        } else {
+                gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
+                    tv.tv_usec - ir->base_time.tv_usec;
+        }
+
+        /* Allow some timmer jitter (RC5 is ~24ms anyway so this is ok) */
+        if (gap < 28000) {
+                dprintk(1, "ir-common: spurious timer_end\n");
+                return;
+        }
+
+        ir->active = 0;
+        if (ir->last_bit < 20) {
+                /* ignore spurious codes (caused by light/other remotes) */
+                dprintk(1, "ir-common: short code: %x\n", ir->code);
+        } else {
+                ir->code = (ir->code << ir->shift_by) | 1;
+                rc5 = ir_rc5_decode(ir->code);
+
+                /* two start bits? */
+                if (RC5_START(rc5) != ir->start) {
+                        dprintk(1, "ir-common: rc5 start bits invalid: %u\n", RC5_START(rc5));
+
+                        /* right address? */
+                } else if (RC5_ADDR(rc5) == ir->addr) {
+                        u32 toggle = RC5_TOGGLE(rc5);
+                        u32 instr = RC5_INSTR(rc5);
+
+                        /* Good code, decide if repeat/repress */
+                        if (toggle != RC5_TOGGLE(ir->last_rc5) ||
+                            instr != RC5_INSTR(ir->last_rc5)) {
+                                dprintk(1, "ir-common: instruction %x, toggle %x\n", instr,
+                                        toggle);
+                                ir_input_nokey(ir->dev, &ir->ir);
+                                ir_input_keydown(ir->dev, &ir->ir, instr,
+                                                 instr);
+                        }
+
+                        /* Set/reset key-up timer */
+                        timeout = current_jiffies + (500 + ir->rc5_key_timeout
+                                                     * HZ) / 1000;
+                        mod_timer(&ir->timer_keyup, timeout);
+
+                        /* Save code for repeat test */
+                        ir->last_rc5 = rc5;
+                }
+        }
+}
+
+void ir_rc5_timer_keyup(unsigned long data)
+{
+        struct card_ir *ir = (struct card_ir *)data;
+
+        dprintk(1, "ir-common: key released\n");
+        ir_input_nokey(ir->dev, &ir->ir);
+}
+
 EXPORT_SYMBOL_GPL(ir_input_init);
 EXPORT_SYMBOL_GPL(ir_input_nokey);
 EXPORT_SYMBOL_GPL(ir_input_keydown);
@@ -265,6 +371,10 @@ EXPORT_SYMBOL_GPL(ir_dump_samples);
 EXPORT_SYMBOL_GPL(ir_decode_biphase);
 EXPORT_SYMBOL_GPL(ir_decode_pulsedistance);
 
+EXPORT_SYMBOL_GPL(ir_rc5_decode);
+EXPORT_SYMBOL_GPL(ir_rc5_timer_end);
+EXPORT_SYMBOL_GPL(ir_rc5_timer_keyup);
+
 /*
  * Local variables:
  * c-basic-offset: 8