ALSA: hda - Use strict_strtoul()

Rewrite the codes to use strict_strtoul() instead of simple_strtoul().

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 26 insertions, 22 deletions

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index dc1d9f124578..e28c810bc00c 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -4159,43 +4159,47 @@ static void stac92xx_power_down(struct hda_codec *codec)
 static void stac_toggle_power_map(struct hda_codec *codec, hda_nid_t nid,
                                   int enable);
 
+static inline int get_int_hint(struct hda_codec *codec, const char *key,
+                               int *valp)
+{
+        const char *p;
+        p = snd_hda_get_hint(codec, key);
+        if (p) {
+                unsigned long val;
+                if (!strict_strtoul(p, 0, &val)) {
+                        *valp = val;
+                        return 1;
+                }
+        }
+        return 0;
+}
+
 /* override some hints from the hwdep entry */
 static void stac_store_hints(struct hda_codec *codec)
 {
         struct sigmatel_spec *spec = codec->spec;
-        const char *p;
         int val;
 
         val = snd_hda_get_bool_hint(codec, "hp_detect");
         if (val >= 0)
                 spec->hp_detect = val;
-        p = snd_hda_get_hint(codec, "gpio_mask");
-        if (p) {
-                spec->gpio_mask = simple_strtoul(p, NULL, 0);
+        if (get_int_hint(codec, "gpio_mask", &spec->gpio_mask)) {
                 spec->eapd_mask = spec->gpio_dir = spec->gpio_data =
                         spec->gpio_mask;
         }
-        p = snd_hda_get_hint(codec, "gpio_dir");
-        if (p)
-                spec->gpio_dir = simple_strtoul(p, NULL, 0) & spec->gpio_mask;
-        p = snd_hda_get_hint(codec, "gpio_data");
-        if (p)
-                spec->gpio_data = simple_strtoul(p, NULL, 0) & spec->gpio_mask;
-        p = snd_hda_get_hint(codec, "eapd_mask");
-        if (p)
-                spec->eapd_mask = simple_strtoul(p, NULL, 0) & spec->gpio_mask;
-        p = snd_hda_get_hint(codec, "gpio_mute");
-        if (p)
-                spec->gpio_mute = simple_strtoul(p, NULL, 0) & spec->gpio_mask;
+        if (get_int_hint(codec, "gpio_dir", &spec->gpio_dir))
+                spec->gpio_mask &= spec->gpio_mask;
+        if (get_int_hint(codec, "gpio_data", &spec->gpio_data))
+                spec->gpio_dir &= spec->gpio_mask;
+        if (get_int_hint(codec, "eapd_mask", &spec->eapd_mask))
+                spec->eapd_mask &= spec->gpio_mask;
+        if (get_int_hint(codec, "gpio_mute", &spec->gpio_mute))
+                spec->gpio_mute &= spec->gpio_mask;
         val = snd_hda_get_bool_hint(codec, "eapd_switch");
         if (val >= 0)
                 spec->eapd_switch = val;
-        p = snd_hda_get_hint(codec, "gpio_led_polarity");
-        if (p)
-                spec->gpio_led_polarity = simple_strtoul(p, NULL, 0);
-        p = snd_hda_get_hint(codec, "gpio_led");
-        if (p) {
-                spec->gpio_led = simple_strtoul(p, NULL, 0);
+        get_int_hint(codec, "gpio_led_polarity", &spec->gpio_led_polarity);
+        if (get_int_hint(codec, "gpio_led", &spec->gpio_led)) {
                 spec->gpio_mask |= spec->gpio_led;
                 spec->gpio_dir |= spec->gpio_led;
                 if (spec->gpio_led_polarity)