hwmon: (w83795) use find_closest_descending() in pwm_freq_to_reg()
Replace the loop iterating over pwm_freq_cksel0 with a call to find_closest_descending(). Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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1 changed files with 3 additions and 5 deletions
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@ -35,6 +35,7 @@
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#include <linux/err.h>
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#include <linux/mutex.h>
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#include <linux/jiffies.h>
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#include <linux/util_macros.h>
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/* Addresses to scan */
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static const unsigned short normal_i2c[] = {
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@ -308,11 +309,8 @@ static u8 pwm_freq_to_reg(unsigned long val, u16 clkin)
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unsigned long best0, best1;
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/* Best fit for cksel = 0 */
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for (reg0 = 0; reg0 < ARRAY_SIZE(pwm_freq_cksel0) - 1; reg0++) {
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if (val > (pwm_freq_cksel0[reg0] +
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pwm_freq_cksel0[reg0 + 1]) / 2)
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break;
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}
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reg0 = find_closest_descending(val, pwm_freq_cksel0,
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ARRAY_SIZE(pwm_freq_cksel0));
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if (val < 375) /* cksel = 1 can't beat this */
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return reg0;
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best0 = pwm_freq_cksel0[reg0];
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