backlight: progear: use pr_err() instead of printk()

Use pr_err() instead of printk() to allow dynamic debugging.  The pr_fmt
prefix for pr_ macros is used.  Also fix checkpatch warnings as below:

WARNING: printk() should include KERN_ facility level

[akpm@linux-foundation.org: use KBUILD_MODNAME, per Joe]
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Marcin Juszkiewicz <openembedded@haerwu.biz>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/video/backlight/progear_bl.c b/drivers/video/backlight/progear_bl.c
index 6af183d6465e..69b35f02929e 100644
--- a/drivers/video/backlight/progear_bl.c
+++ b/drivers/video/backlight/progear_bl.c
@@ -15,6 +15,8 @@
  *
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " 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;
         }