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authorMauro Carvalho Chehab <mchehab@osg.samsung.com>2016-02-27 07:51:12 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2016-03-01 12:02:32 -0300
commitfe28f5de11da417056fc1df872e9e26ceb7eb2fe (patch)
treee32f381e81f58e731de0c372aa17d20c0490843e /drivers/media/rc
parent55a1a9f1899e3001e32f73ccf6e29a71d9dd5fbc (diff)
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[media] ati_remote: Put timeouts at the accel array
Instead of having the timeouts hardcoded, and getting only the accel value from the array, put everything in the same place. That simplifies the logic. As a side effect, it also cleans several smatch errors: include/linux/jiffies.h:359:41: error: strange non-value function or array include/linux/jiffies.h:361:42: error: strange non-value function or array (one per time_after/time_before line) Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/rc')
-rw-r--r--drivers/media/rc/ati_remote.c47
1 files changed, 27 insertions, 20 deletions
diff --git a/drivers/media/rc/ati_remote.c b/drivers/media/rc/ati_remote.c
index a35631891cc0..3f61d77d4147 100644
--- a/drivers/media/rc/ati_remote.c
+++ b/drivers/media/rc/ati_remote.c
@@ -443,6 +443,21 @@ static int ati_remote_sendpacket(struct ati_remote *ati_remote, u16 cmd,
return retval;
}
+struct accel_times {
+ const char value;
+ unsigned int msecs;
+};
+
+static const struct accel_times accel[] = {
+ { 1, 125 },
+ { 2, 250 },
+ { 4, 500 },
+ { 6, 1000 },
+ { 9, 1500 },
+ { 13, 2000 },
+ { 20, 0 },
+};
+
/*
* ati_remote_compute_accel
*
@@ -454,30 +469,22 @@ static int ati_remote_sendpacket(struct ati_remote *ati_remote, u16 cmd,
*/
static int ati_remote_compute_accel(struct ati_remote *ati_remote)
{
- static const char accel[] = { 1, 2, 4, 6, 9, 13, 20 };
- unsigned long now = jiffies;
- int acc;
+ unsigned long now = jiffies, reset_time;
+ int i;
+
+ reset_time = msecs_to_jiffies(250);
- if (time_after(now, ati_remote->old_jiffies + msecs_to_jiffies(250))) {
- acc = 1;
+ if (time_after(now, ati_remote->old_jiffies + reset_time)) {
ati_remote->acc_jiffies = now;
+ return 1;
}
- else if (time_before(now, ati_remote->acc_jiffies + msecs_to_jiffies(125)))
- acc = accel[0];
- else if (time_before(now, ati_remote->acc_jiffies + msecs_to_jiffies(250)))
- acc = accel[1];
- else if (time_before(now, ati_remote->acc_jiffies + msecs_to_jiffies(500)))
- acc = accel[2];
- else if (time_before(now, ati_remote->acc_jiffies + msecs_to_jiffies(1000)))
- acc = accel[3];
- else if (time_before(now, ati_remote->acc_jiffies + msecs_to_jiffies(1500)))
- acc = accel[4];
- else if (time_before(now, ati_remote->acc_jiffies + msecs_to_jiffies(2000)))
- acc = accel[5];
- else
- acc = accel[6];
+ for (i = 0; i < ARRAY_SIZE(accel) - 1; i++) {
+ unsigned long timeout = msecs_to_jiffies(accel[i].msecs);
- return acc;
+ if (time_before(now, ati_remote->acc_jiffies + timeout))
+ return accel[i].value;
+ }
+ return accel[i].value;
}
/*