[PATCH v2 7/7] backlight: progear: use pr_err instead of printk

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This patch uses pr_err instead of printk to allow dynamic debugging.
The pr_fmt prefix for pr_ macros is used. It also fixes checkpatch
warnings as below:

WARNING: printk() should include KERN_ facility level

Cc: Marcin Juszkiewicz <openembedded@xxxxxxxxxx>
Cc: Richard Purdie <rpurdie@xxxxxxxxx>
Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
---
 drivers/video/backlight/progear_bl.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/video/backlight/progear_bl.c b/drivers/video/backlight/progear_bl.c
index 6af183d..e176147 100644
--- a/drivers/video/backlight/progear_bl.c
+++ b/drivers/video/backlight/progear_bl.c
@@ -15,6 +15,8 @@
  *
  */
 
+#define pr_fmt(fmt) "progear_bl: " fmt
+
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
@@ -68,13 +70,13 @@ static int progearbl_probe(struct platform_device *pdev)
 
 	pmu_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101, NULL);
 	if (!pmu_dev) {
-		printk("ALI M7101 PMU not found.\n");
+		pr_err("ALI M7101 PMU not found.\n");
 		return -ENODEV;
 	}
 
 	sb_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL);
 	if (!sb_dev) {
-		printk("ALI 1533 SB not found.\n");
+		pr_err("ALI 1533 SB not found.\n");
 		ret = -ENODEV;
 		goto put_pmu;
 	}
-- 
1.7.1


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