By mistake, changeset da7251dd0bca6c17571be2bd4434b9779dea72d8
reverted the following commits:
commit 6795f9a1ac9e85deb96a49e46b29c809214bf5ea
commit d69861a25a54ef1cd6ee92f5ceb6ff2c01d84803
commit 1ba30538e2d125ce821622ac1f5e7ef31d856077
This patch partially reverts the original commit, to return the
code to its original state.
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
diff --git a/drivers/media/IR/ir-sysfs.c b/drivers/media/IR/ir-sysfs.c
index a841e51..c533d8b 100644
--- a/drivers/media/IR/ir-sysfs.c
+++ b/drivers/media/IR/ir-sysfs.c
@@ -33,6 +33,21 @@ static struct class ir_input_class = {
.devnode = ir_devnode,
};
+static struct {
+ u64 type;
+ char *name;
+} proto_names[] = {
+ { IR_TYPE_UNKNOWN, "unknown" },
+ { IR_TYPE_RC5, "rc-5" },
+ { IR_TYPE_NEC, "nec" },
+ { IR_TYPE_RC6, "rc-6" },
+ { IR_TYPE_JVC, "jvc" },
+ { IR_TYPE_SONY, "sony" },
+ { IR_TYPE_LIRC, "lirc" },
+};
+
+#define PROTO_NONE "none"
+
/**
* show_protocols() - shows the current IR protocol(s)
* @d: the device descriptor
@@ -50,6 +65,7 @@ static ssize_t show_protocols(struct device *d,
struct ir_input_dev *ir_dev = dev_get_drvdata(d);
u64 allowed, enabled;
char *tmp = buf;
+ int i;
if (ir_dev->props->driver_type == RC_DRIVER_SCANCODE) {
enabled = ir_dev->rc_tab.ir_type;
@@ -63,35 +79,12 @@ static ssize_t show_protocols(struct device *d,
(long long)allowed,
(long long)enabled);
- if (allowed & enabled & IR_TYPE_UNKNOWN)
- tmp += sprintf(tmp, "[unknown] ");
- else if (allowed & IR_TYPE_UNKNOWN)
- tmp += sprintf(tmp, "unknown ");
-
- if (allowed & enabled & IR_TYPE_RC5)
- tmp += sprintf(tmp, "[rc5] ");
- else if (allowed & IR_TYPE_RC5)
- tmp += sprintf(tmp, "rc5 ");
-
- if (allowed & enabled & IR_TYPE_NEC)
- tmp += sprintf(tmp, "[nec] ");
- else if (allowed & IR_TYPE_NEC)
- tmp += sprintf(tmp, "nec ");
-
- if (allowed & enabled & IR_TYPE_RC6)
- tmp += sprintf(tmp, "[rc6] ");
- else if (allowed & IR_TYPE_RC6)
- tmp += sprintf(tmp, "rc6 ");
-
- if (allowed & enabled & IR_TYPE_JVC)
- tmp += sprintf(tmp, "[jvc] ");
- else if (allowed & IR_TYPE_JVC)
- tmp += sprintf(tmp, "jvc ");
-
- if (allowed & enabled & IR_TYPE_SONY)
- tmp += sprintf(tmp, "[sony] ");
- else if (allowed & IR_TYPE_SONY)
- tmp += sprintf(tmp, "sony ");
+ for (i = 0; i < ARRAY_SIZE(proto_names); i++) {
+ if (allowed & enabled & proto_names[i].type)
+ tmp += sprintf(tmp, "[%s] ", proto_names[i].name);
+ else if (allowed & proto_names[i].type)
+ tmp += sprintf(tmp, "%s ", proto_names[i].name);
+ }
if (allowed & enabled & IR_TYPE_LIRC)
tmp += sprintf(tmp, "[lirc] ");
@@ -116,6 +109,7 @@ static ssize_t show_protocols(struct device *d,
* Writing "+proto" will add a protocol to the list of enabled protocols.
* Writing "-proto" will remove a protocol from the list of enabled protocols.
* Writing "proto" will enable only "proto".
+ * Writing "none" will disable all protocols.
* Returns -EINVAL if an invalid protocol combination or unknown protocol name
* is used, otherwise @len.
*/
@@ -129,67 +123,62 @@ static ssize_t store_protocols(struct device *d,
const char *tmp;
u64 type;
u64 mask;
- int rc;
+ int rc, i, count = 0;
unsigned long flags;
- tmp = skip_spaces(data);
-
- if (*tmp == '+') {
- enable = true;
- disable = false;
- tmp++;
- } else if (*tmp == '-') {
- enable = false;
- disable = true;
- tmp++;
- } else {
- enable = false;
- disable = false;
- }
-
- if (!strncasecmp(tmp, "unknown", 7)) {
- tmp += 7;
- mask = IR_TYPE_UNKNOWN;
- } else if (!strncasecmp(tmp, "rc5", 3)) {
- tmp += 3;
- mask = IR_TYPE_RC5;
- } else if (!strncasecmp(tmp, "nec", 3)) {
- tmp += 3;
- mask = IR_TYPE_NEC;
- } else if (!strncasecmp(tmp, "rc6", 3)) {
- tmp += 3;
- mask = IR_TYPE_RC6;
- } else if (!strncasecmp(tmp, "jvc", 3)) {
- tmp += 3;
- mask = IR_TYPE_JVC;
- } else if (!strncasecmp(tmp, "sony", 4)) {
- tmp += 4;
- mask = IR_TYPE_SONY;
- } else if (!strncasecmp(tmp, "lirc", 4)) {
- tmp += 4;
- mask = IR_TYPE_LIRC;
- } else {
- IR_dprintk(1, "Unknown protocol\n");
- return -EINVAL;
- }
-
- tmp = skip_spaces(tmp);
- if (*tmp != '\0') {
- IR_dprintk(1, "Invalid trailing characters\n");
- return -EINVAL;
- }
-
if (ir_dev->props->driver_type == RC_DRIVER_SCANCODE)
type = ir_dev->rc_tab.ir_type;
else
type = ir_dev->raw->enabled_protocols;
- if (enable)
- type |= mask;
- else if (disable)
- type &= ~mask;
- else
- type = mask;
+ while ((tmp = strsep((char **) &data, " \n")) != NULL) {
+ if (!*tmp)
+ break;
+
+ if (*tmp == '+') {
+ enable = true;
+ disable = false;
+ tmp++;
+ } else if (*tmp == '-') {
+ enable = false;
+ disable = true;
+ tmp++;
+ } else {
+ enable = false;
+ disable = false;
+ }
+
+ if (!enable && !disable && !strncasecmp(tmp, PROTO_NONE, sizeof(PROTO_NONE))) {
+ tmp += sizeof(PROTO_NONE);
+ mask = 0;
+ count++;
+ } else {
+ for (i = 0; i < ARRAY_SIZE(proto_names); i++) {
+ if (!strncasecmp(tmp, proto_names[i].name, strlen(proto_names[i].name))) {
+ tmp += strlen(proto_names[i].name);
+ mask = proto_names[i].type;
+ break;
+ }
+ }
+ if (i == ARRAY_SIZE(proto_names)) {
+ IR_dprintk(1, "Unknown protocol: '%s'\n", tmp);
+ return -EINVAL;
+ }
+ count++;
+ }
+
+ if (enable)
+ type |= mask;
+ else if (disable)
+ type &= ~mask;
+ else
+ type = mask;
+ }
+
+ if (!count) {
+ IR_dprintk(1, "Protocol not specified\n");
+ return -EINVAL;
+ }
if (ir_dev->props && ir_dev->props->change_protocol) {
rc = ir_dev->props->change_protocol(ir_dev->props->priv,
--
1.7.1
--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
