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Allow refresh serdes configs during runtime
Add 2 attrs to refresh max9295/max9296 configs anytime by user. Signed-off-by: Xin Zhang <xin.x.zhang@intel.com>
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kernel/nvidia/0057-Allow-refresh-serdes-configs-during-runtime.patch
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| From 10dca4e22511f5490c824324a45ecc7dc95c99e4 Mon Sep 17 00:00:00 2001 | ||
| From: Xin Zhang <xin.x.zhang@intel.com> | ||
| Date: Tue, 17 May 2022 19:34:15 +0800 | ||
| Subject: [PATCH] Allow refresh serdes configs during runtime | ||
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| Add 2 attrs to refresh max9295/max9296 configs anytime by user. | ||
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| Signed-off-by: Xin Zhang <xin.x.zhang@intel.com> | ||
| --- | ||
| drivers/media/i2c/max9295.c | 15 +++++++++++++++ | ||
| drivers/media/i2c/max9296.c | 15 +++++++++++++++ | ||
| 2 files changed, 30 insertions(+) | ||
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| diff --git a/drivers/media/i2c/max9295.c b/drivers/media/i2c/max9295.c | ||
| index 1ddb0d3e6..f8e938630 100644 | ||
| --- a/drivers/media/i2c/max9295.c | ||
| +++ b/drivers/media/i2c/max9295.c | ||
| @@ -837,8 +837,23 @@ static ssize_t max9295_dev_dump_show(struct device *dev, | ||
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| static DEVICE_ATTR(register_dump, 0444, max9295_dev_dump_show, NULL); | ||
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| +static ssize_t refresh_setting_store(struct device *dev, | ||
| + struct device_attribute *attr, | ||
| + const char *buf, size_t count) | ||
| +{ | ||
| + int ret; | ||
| + | ||
| + ret = max9295_init_settings(dev); | ||
| + if (ret) | ||
| + return ret; | ||
| + | ||
| + return count; | ||
| +} | ||
| +static DEVICE_ATTR_WO(refresh_setting); | ||
| + | ||
| static struct attribute *max9295_attributes[] = { | ||
| &dev_attr_register_dump.attr, | ||
| + &dev_attr_refresh_setting.attr, | ||
| NULL | ||
| }; | ||
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| diff --git a/drivers/media/i2c/max9296.c b/drivers/media/i2c/max9296.c | ||
| index adc26c732..b73dfe82a 100644 | ||
| --- a/drivers/media/i2c/max9296.c | ||
| +++ b/drivers/media/i2c/max9296.c | ||
| @@ -1162,8 +1162,23 @@ static ssize_t max9296_dev_dump_show(struct device *dev, | ||
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| static DEVICE_ATTR(register_dump, 0444, max9296_dev_dump_show, NULL); | ||
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| +static ssize_t refresh_setting_store(struct device *dev, | ||
| + struct device_attribute *attr, | ||
| + const char *buf, size_t count) | ||
| +{ | ||
| + int ret; | ||
| + | ||
| + ret = max9296_init_settings(dev); | ||
| + if (ret) | ||
| + return ret; | ||
| + | ||
| + return count; | ||
| +} | ||
| +static DEVICE_ATTR_WO(refresh_setting); | ||
| + | ||
| static struct attribute *max9296_attributes[] = { | ||
| &dev_attr_register_dump.attr, | ||
| + &dev_attr_refresh_setting.attr, | ||
| NULL | ||
| }; | ||
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| -- | ||
| 2.17.1 | ||
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