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authorPer Persson <per.xb.persson@stericsson.com>2011-05-10 08:17:59 +0200
committerUlf Hansson <ulf.hansson@stericsson.com>2011-09-19 15:15:17 +0200
commit70da6af315a24d60c2de04bcb843ca15909eba53 (patch)
treea731c28a31b24caa32d47f75016bffbe03b382ff /drivers/video/av8100
parent354705273869adf87248300742f2789c7d0288e1 (diff)
video: av8100: Change HW response timeout values
Allowed response time is increased when waiting for answer from HW. ST-Ericsson ID: 338924 ST-Ericsson Linux next: Not tested, ER 282779 ST-Ericsson FOSS-OUT ID: Trivial Change-Id: Iec7bb594c52793c3b90da50ab8f8d109192b71c2 Signed-off-by: Per Persson <per.xb.persson@stericsson.com> Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/22688 Reviewed-by: QATOOLS Reviewed-by: QATEST Reviewed-by: Jimmy RUBIN <jimmy.rubin@stericsson.com> Reviewed-by: Marcel TUNNISSEN <marcel.tuennissen@stericsson.com>
Diffstat (limited to 'drivers/video/av8100')
-rw-r--r--drivers/video/av8100/av8100.c31
1 files changed, 19 insertions, 12 deletions
diff --git a/drivers/video/av8100/av8100.c b/drivers/video/av8100/av8100.c
index 5a441755c75..aa3a62fde4c 100644
--- a/drivers/video/av8100/av8100.c
+++ b/drivers/video/av8100/av8100.c
@@ -98,8 +98,6 @@
#define AV8100_WAITTIME_10MS 10
#define AV8100_WAITTIME_50MS 50
#define AV8100_WATTIME_100US 100
-#define AV8100_CMD_RET_TRIES 10
-#define AV8100_FWDL_TRIES 10
/* Master clock timing */
#define MCLK_RNG_17_22 0 /* Use with 19.2 MHZ clock */
@@ -238,6 +236,8 @@ enum av8100_command_size {
AV8100_COMMAND_FUSE_AES_CHK_SIZE = 0x2,
};
+static unsigned int waittime_retry[10] = {1, 2, 4, 6, 8, 10, 10, 10, 10, 10};
+
static void clr_plug_status(enum av8100_plugin_status status);
static void set_plug_status(enum av8100_plugin_status status);
static void cec_rx(void);
@@ -2012,7 +2012,8 @@ int av8100_download_firmware(char *fw_buff, int nbytes,
int tempnext = 0x0;
char val = 0x0;
char CheckSum = 0;
- int cnt = 10;
+ int cnt;
+ int cnt_max;
struct i2c_client *i2c;
u8 uc;
u8 fdl;
@@ -2175,11 +2176,12 @@ int av8100_download_firmware(char *fw_buff, int nbytes,
}
/* Wait Internal Micro controler ready */
- cnt = AV8100_FWDL_TRIES;
+ cnt = 0;
+ cnt_max = ARRAY_SIZE(waittime_retry);
retval = av8100_reg_gen_status_r(NULL, NULL, NULL, &uc,
NULL, NULL);
- while ((retval == 0) && (uc != 0x1) && (cnt-- > 0)) {
- msleep(AV8100_WAITTIME_1MS);
+ while ((retval == 0) && (uc != 0x1) && (cnt++ < cnt_max)) {
+ msleep(waittime_retry[cnt]);
retval = av8100_reg_gen_status_r(NULL, NULL, NULL,
&uc, NULL, NULL);
}
@@ -3349,6 +3351,8 @@ int av8100_conf_w(enum av8100_command_type command_type,
if (if_type == I2C_INTERFACE) {
int cnt = 0;
+ int cnt_max;
+
dev_dbg(av8100dev, "av8100_conf_w cmd_type:%02x length:%02x ",
command_type, cmd_length);
dev_dbg(av8100dev, "buffer: ");
@@ -3376,10 +3380,11 @@ int av8100_conf_w(enum av8100_command_type command_type,
/* Get the first return byte */
msleep(AV8100_WAITTIME_1MS);
- cnt = AV8100_CMD_RET_TRIES;
+ cnt = 0;
+ cnt_max = ARRAY_SIZE(waittime_retry);
retval = get_command_return_first(i2c, command_type);
- while (retval && (cnt-- > 0)) {
- msleep(AV8100_WAITTIME_1MS);
+ while (retval && (cnt++ < cnt_max)) {
+ msleep(waittime_retry[cnt]);
retval = get_command_return_first(i2c, command_type);
}
dev_dbg(av8100dev, "first return cnt:%d\n", cnt);
@@ -3418,6 +3423,7 @@ int av8100_conf_w_raw(enum av8100_command_type command_type,
int retval = 0;
struct i2c_client *i2c;
int cnt;
+ int cnt_max;
if (av8100_status_get().av8100_state == AV8100_OPMODE_UNDEFINED)
return -EINVAL;
@@ -3449,10 +3455,11 @@ int av8100_conf_w_raw(enum av8100_command_type command_type,
/* Get the first return byte */
msleep(AV8100_WAITTIME_1MS);
- cnt = AV8100_CMD_RET_TRIES;
+ cnt = 0;
+ cnt_max = ARRAY_SIZE(waittime_retry);
retval = get_command_return_first(i2c, command_type);
- while (retval && (cnt-- > 0)) {
- msleep(AV8100_WAITTIME_1MS);
+ while (retval && (cnt++ < cnt_max)) {
+ msleep(waittime_retry[cnt]);
retval = get_command_return_first(i2c, command_type);
}
dev_dbg(av8100dev, "first return cnt:%d\n", cnt);