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authorMauro Carvalho Chehab <mchehab@redhat.com>2009-09-07 02:22:01 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-09-12 12:20:17 -0300
commit7aedd5ec87686c557d48584d69ad880c11a0984d (patch)
tree4b700249f4c94e76fdf86c7f45bc287631d721d7 /drivers/media
parent78f2e672b37ae8935ec0b97cedbc2d877ffa0c5f (diff)
V4L/DVB (12701): saa7134: ir-kbd-i2c init data needs a persistent object
ir-kbd-i2c's ir_probe() function can be called much later (i.e. at ir-kbd-i2c module load), than the lifetime of a struct IR_i2c_init_data allocated off of the stack in cx18_i2c_new_ir() at registration time. Make sure we pass a pointer to a persistent IR_i2c_init_data object at i2c registration time. Thanks to Brian Rogers, Dustin Mitchell, Andy Walls and Jean Delvare to rise this question. Before this patch, if ir-kbd-i2c were probed after SAA7134, trash data were used. Compile tested only, but the patch is identical to em28xx one. So, it should work properly. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/video/saa7134/saa7134-input.c60
-rw-r--r--drivers/media/video/saa7134/saa7134.h4
2 files changed, 33 insertions, 31 deletions
diff --git a/drivers/media/video/saa7134/saa7134-input.c b/drivers/media/video/saa7134/saa7134-input.c
index 9070e5fabb4e..e1e83c7b966e 100644
--- a/drivers/media/video/saa7134/saa7134-input.c
+++ b/drivers/media/video/saa7134/saa7134-input.c
@@ -691,8 +691,6 @@ void saa7134_input_fini(struct saa7134_dev *dev)
void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
{
- struct i2c_board_info info;
- struct IR_i2c_init_data init_data;
const unsigned short addr_list[] = {
0x7a, 0x47, 0x71, 0x2d,
I2C_CLIENT_END
@@ -712,34 +710,34 @@ void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
return;
}
- memset(&info, 0, sizeof(struct i2c_board_info));
- memset(&init_data, 0, sizeof(struct IR_i2c_init_data));
- strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
+ memset(&dev->info, 0, sizeof(dev->info));
+ memset(&dev->init_data, 0, sizeof(dev->init_data));
+ strlcpy(dev->info.type, "ir_video", I2C_NAME_SIZE);
switch (dev->board) {
case SAA7134_BOARD_PINNACLE_PCTV_110i:
case SAA7134_BOARD_PINNACLE_PCTV_310i:
- init_data.name = "Pinnacle PCTV";
+ dev->init_data.name = "Pinnacle PCTV";
if (pinnacle_remote == 0) {
- init_data.get_key = get_key_pinnacle_color;
- init_data.ir_codes = &ir_codes_pinnacle_color_table;
- info.addr = 0x47;
+ dev->init_data.get_key = get_key_pinnacle_color;
+ dev->init_data.ir_codes = &ir_codes_pinnacle_color_table;
+ dev->info.addr = 0x47;
} else {
- init_data.get_key = get_key_pinnacle_grey;
- init_data.ir_codes = &ir_codes_pinnacle_grey_table;
- info.addr = 0x47;
+ dev->init_data.get_key = get_key_pinnacle_grey;
+ dev->init_data.ir_codes = &ir_codes_pinnacle_grey_table;
+ dev->info.addr = 0x47;
}
break;
case SAA7134_BOARD_UPMOST_PURPLE_TV:
- init_data.name = "Purple TV";
- init_data.get_key = get_key_purpletv;
- init_data.ir_codes = &ir_codes_purpletv_table;
+ dev->init_data.name = "Purple TV";
+ dev->init_data.get_key = get_key_purpletv;
+ dev->init_data.ir_codes = &ir_codes_purpletv_table;
break;
case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS:
- init_data.name = "MSI TV@nywhere Plus";
- init_data.get_key = get_key_msi_tvanywhere_plus;
- init_data.ir_codes = &ir_codes_msi_tvanywhere_plus_table;
- info.addr = 0x30;
+ dev->init_data.name = "MSI TV@nywhere Plus";
+ dev->init_data.get_key = get_key_msi_tvanywhere_plus;
+ dev->init_data.ir_codes = &ir_codes_msi_tvanywhere_plus_table;
+ dev->info.addr = 0x30;
/* MSI TV@nywhere Plus controller doesn't seem to
respond to probes unless we read something from
an existing device. Weird...
@@ -750,9 +748,9 @@ void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
(1 == rc) ? "yes" : "no");
break;
case SAA7134_BOARD_HAUPPAUGE_HVR1110:
- init_data.name = "HVR 1110";
- init_data.get_key = get_key_hvr1110;
- init_data.ir_codes = &ir_codes_hauppauge_new_table;
+ dev->init_data.name = "HVR 1110";
+ dev->init_data.get_key = get_key_hvr1110;
+ dev->init_data.ir_codes = &ir_codes_hauppauge_new_table;
break;
case SAA7134_BOARD_BEHOLD_607FM_MK3:
case SAA7134_BOARD_BEHOLD_607FM_MK5:
@@ -767,26 +765,26 @@ void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
case SAA7134_BOARD_BEHOLD_M6_EXTRA:
case SAA7134_BOARD_BEHOLD_H6:
case SAA7134_BOARD_BEHOLD_X7:
- init_data.name = "BeholdTV";
- init_data.get_key = get_key_beholdm6xx;
- init_data.ir_codes = &ir_codes_behold_table;
+ dev->init_data.name = "BeholdTV";
+ dev->init_data.get_key = get_key_beholdm6xx;
+ dev->init_data.ir_codes = &ir_codes_behold_table;
break;
case SAA7134_BOARD_AVERMEDIA_CARDBUS_501:
case SAA7134_BOARD_AVERMEDIA_CARDBUS_506:
- info.addr = 0x40;
+ dev->info.addr = 0x40;
break;
}
- if (init_data.name)
- info.platform_data = &init_data;
+ if (dev->init_data.name)
+ dev->info.platform_data = &dev->init_data;
/* No need to probe if address is known */
- if (info.addr) {
- i2c_new_device(&dev->i2c_adap, &info);
+ if (dev->info.addr) {
+ i2c_new_device(&dev->i2c_adap, &dev->info);
return;
}
/* Address not known, fallback to probing */
- i2c_new_probed_device(&dev->i2c_adap, &info, addr_list);
+ i2c_new_probed_device(&dev->i2c_adap, &dev->info, addr_list);
}
static int saa7134_rc5_irq(struct saa7134_dev *dev)
diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h
index ac74903a5bd4..d18bb9643856 100644
--- a/drivers/media/video/saa7134/saa7134.h
+++ b/drivers/media/video/saa7134/saa7134.h
@@ -589,6 +589,10 @@ struct saa7134_dev {
int nosignal;
unsigned int insuspend;
+ /* I2C keyboard data */
+ struct i2c_board_info info;
+ struct IR_i2c_init_data init_data;
+
/* SAA7134_MPEG_* */
struct saa7134_ts ts;
struct saa7134_dmaqueue ts_q;