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[media] rc-core: fix dib0700 scancode generation for RC5

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commit af3a4a9bbe ("[media] dib0700: NEC scancode cleanup") cleaned
up the NEC scancode logic but overlooked the RC5 case.

This patch brings the RC5 case in line with the NEC code and makes
the struct self-documenting.

Signed-off-by: David Härdeman <david@hardeman.nu>
Reported-by: David Cimbůrek <david.cimburek@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
David Härdeman 2015-03-30 17:51:01 -03:00 committed by Mauro Carvalho Chehab
parent 8e95dba6fb
commit 4d298b8539
1 changed files with 40 additions and 30 deletions
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70
drivers/media/usb/dvb-usb/dib0700_core.c
View File

@ -655,10 +655,20 @@ int dib0700_change_protocol(struct rc_dev *rc, u64 *rc_type)
struct dib0700_rc_response {
u8 report_id;
u8 data_state;
u8 system;
u8 not_system;
u8 data;
u8 not_data;
union {
struct {
u8 system;
u8 not_system;
u8 data;
u8 not_data;
} nec;
struct {
u8 not_used;
u8 system;
u8 data;
u8 not_data;
} rc5;
};
};
#define RC_MSG_SIZE_V1_20 6
@ -694,8 +704,8 @@ static void dib0700_rc_urb_completion(struct urb *purb)
deb_data("IR ID = %02X state = %02X System = %02X %02X Cmd = %02X %02X (len %d)\n",
poll_reply->report_id, poll_reply->data_state,
poll_reply->system, poll_reply->not_system,
poll_reply->data, poll_reply->not_data,
poll_reply->nec.system, poll_reply->nec.not_system,
poll_reply->nec.data, poll_reply->nec.not_data,
purb->actual_length);
switch (d->props.rc.core.protocol) {
@ -704,30 +714,30 @@ static void dib0700_rc_urb_completion(struct urb *purb)
toggle = 0;
/* NEC protocol sends repeat code as 0 0 0 FF */
if (poll_reply->system == 0x00 &&
poll_reply->not_system == 0x00 &&
poll_reply->data == 0x00 &&
poll_reply->not_data == 0xff) {
if (poll_reply->nec.system == 0x00 &&
poll_reply->nec.not_system == 0x00 &&
poll_reply->nec.data == 0x00 &&
poll_reply->nec.not_data == 0xff) {
poll_reply->data_state = 2;
break;
}
if ((poll_reply->data ^ poll_reply->not_data) != 0xff) {
if ((poll_reply->nec.data ^ poll_reply->nec.not_data) != 0xff) {
deb_data("NEC32 protocol\n");
keycode = RC_SCANCODE_NEC32(poll_reply->system << 24 |
poll_reply->not_system << 16 |
poll_reply->data << 8 |
poll_reply->not_data);
} else if ((poll_reply->system ^ poll_reply->not_system) != 0xff) {
keycode = RC_SCANCODE_NEC32(poll_reply->nec.system << 24 |
poll_reply->nec.not_system << 16 |
poll_reply->nec.data << 8 |
poll_reply->nec.not_data);
} else if ((poll_reply->nec.system ^ poll_reply->nec.not_system) != 0xff) {
deb_data("NEC extended protocol\n");
keycode = RC_SCANCODE_NECX(poll_reply->system << 8 |
poll_reply->not_system,
poll_reply->data);
keycode = RC_SCANCODE_NECX(poll_reply->nec.system << 8 |
poll_reply->nec.not_system,
poll_reply->nec.data);
} else {
deb_data("NEC normal protocol\n");
keycode = RC_SCANCODE_NEC(poll_reply->system,
poll_reply->data);
keycode = RC_SCANCODE_NEC(poll_reply->nec.system,
poll_reply->nec.data);
}
break;
@ -735,19 +745,19 @@ static void dib0700_rc_urb_completion(struct urb *purb)
deb_data("RC5 protocol\n");
protocol = RC_TYPE_RC5;
toggle = poll_reply->report_id;
keycode = RC_SCANCODE_RC5(poll_reply->system, poll_reply->data);
keycode = RC_SCANCODE_RC5(poll_reply->rc5.system, poll_reply->rc5.data);
if ((poll_reply->rc5.data ^ poll_reply->rc5.not_data) != 0xff) {
/* Key failed integrity check */
err("key failed integrity check: %02x %02x %02x %02x",
poll_reply->rc5.not_used, poll_reply->rc5.system,
poll_reply->rc5.data, poll_reply->rc5.not_data);
goto resubmit;
}
break;
}
if ((poll_reply->data + poll_reply->not_data) != 0xff) {
/* Key failed integrity check */
err("key failed integrity check: %02x %02x %02x %02x",
poll_reply->system, poll_reply->not_system,
poll_reply->data, poll_reply->not_data);
goto resubmit;
}
rc_keydown(d->rc_dev, protocol, keycode, toggle);
resubmit: