[alsa-devel] [PATCH] sound: lx_core: Few misc cleanups

[Takashi Iwai]

At Tue,  8 Apr 2014 16:15:33 +0200,
Maxime Ripard wrote:
> 
> This file had a few comments in french that are now in english, and took the
> opportunity to cleanup a bunch of #if 0 .. #endif and commented out code
> 
> Signed-off-by: Maxime Ripard <maxime.ripard at free-electrons.com>

The patch isn't applicable any longer.  Could you rebase to either
Linus git tree or sound git tree for-linus branch, and resubmit?


thanks,

Takashi

> ---
>  sound/pci/lx6464es/lx_core.c | 70 +++++++++++++++++---------------------------
>  1 file changed, 27 insertions(+), 43 deletions(-)
> 
> diff --git a/sound/pci/lx6464es/lx_core.c b/sound/pci/lx6464es/lx_core.c
> index 626ecad4dae7..002049770ff7 100644
> --- a/sound/pci/lx6464es/lx_core.c
> +++ b/sound/pci/lx6464es/lx_core.c
> @@ -22,8 +22,7 @@
>   *
>   */
>  
> -/* #define RMH_DEBUG 1 */
> -
> +#include <linux/bitops.h>
>  #include <linux/module.h>
>  #include <linux/pci.h>
>  #include <linux/delay.h>
> @@ -496,15 +495,17 @@ int lx_dsp_es_check_pipeline(struct lx6464es *chip)
>  	int i;
>  
>  	for (i = 0; i != CSES_TIMEOUT; ++i) {
> -		/*
> -		 * le bit CSES_UPDATE_LDSV est à 1 dés que le macprog
> -		 * est pret. il re-passe à 0 lorsque le premier read a
> -		 * été fait. pour l'instant on retire le test car ce bit
> -		 * passe a 1 environ 200 à 400 ms aprés que le registre
> -		 * confES à été écrit (kick du xilinx ES).
> +		/* 
> +		 * The bit CSES_UPDATE_LDSV is set to 1 as soon as the
> +		 * macprog is ready. He goes back to 0 whenever the
> +		 * first read has been issued.
> +		 *
> +		 * For now, we don't bother testing this bit because
> +		 * it's set to 1 between 200 to 400ms after the confES
> +		 * register has been written to (xilinx ES kick).
>  		 *
> -		 * On ne teste que le bit CE.
> -		 * */
> +		 * We only test the CE bit.
> +		 */
>  
>  		u32 cses = lx_dsp_reg_read(chip, eReg_CSES);
>  
> @@ -602,8 +603,7 @@ int lx_buffer_ask(struct lx6464es *chip, u32 pipe, int is_capture,
>  				/* free */
>  				*r_needed += 1;
>  		}
> -
> -#if 0
> +#if DEBUG
>  		snd_printdd(LXP "CMD_08_ASK_BUFFERS: needed %d, freed %d\n",
>  			    *r_needed, *r_freed);
>  		for (i = 0; i < MAX_STREAM_BUFFER; ++i) {
> @@ -1049,9 +1049,9 @@ int lx_level_peaks(struct lx6464es *chip, int is_capture, int channels,
>  
>  /* interrupt handling */
>  #define PCX_IRQ_NONE 0
> -#define IRQCS_ACTIVE_PCIDB  0x00002000L         /* Bit nø 13 */
> -#define IRQCS_ENABLE_PCIIRQ 0x00000100L         /* Bit nø 08 */
> -#define IRQCS_ENABLE_PCIDB  0x00000200L         /* Bit nø 09 */
> +#define IRQCS_ACTIVE_PCIDB	BIT(13)
> +#define IRQCS_ENABLE_PCIIRQ	BIT(8)
> +#define IRQCS_ENABLE_PCIDB	BIT(9)
>  
>  static u32 lx_interrupt_test_ack(struct lx6464es *chip)
>  {
> @@ -1108,25 +1108,21 @@ static int lx_interrupt_handle_async_events(struct lx6464es *chip, u32 irqsrc,
>  	int err;
>  	u32 stat[9];		/* answer from CMD_04_GET_EVENT */
>  
> -	/* On peut optimiser pour ne pas lire les evenements vides
> -	 * les mots de réponse sont dans l'ordre suivant :
> -	 * Stat[0]	mot de status général
> -	 * Stat[1]	fin de buffer OUT pF
> -	 * Stat[2]	fin de buffer OUT pf
> -	 * Stat[3]	fin de buffer IN pF
> -	 * Stat[4]	fin de buffer IN pf
> -	 * Stat[5]	underrun poid fort
> -	 * Stat[6]	underrun poid faible
> -	 * Stat[7]	overrun poid fort
> -	 * Stat[8]	overrun poid faible
> +	/* We can optimize this to not read dumb events.
> +	 * Answer words are in the following order:
> +	 * Stat[0]	general status
> +	 * Stat[1]	end of buffer OUT pF
> +	 * Stat[2]	end of buffer OUT pf
> +	 * Stat[3]	end of buffer IN pF
> +	 * Stat[4]	end of buffer IN pf
> +	 * Stat[5]	MSB underrun
> +	 * Stat[6]	LSB underrun
> +	 * Stat[7]	MSB overrun
> +	 * Stat[8]	LSB overrun
>  	 * */
>  
>  	u64 orun_mask;
>  	u64 urun_mask;
> -#if 0
> -	int has_underrun   = (irqsrc & MASK_SYS_STATUS_URUN) ? 1 : 0;
> -	int has_overrun    = (irqsrc & MASK_SYS_STATUS_ORUN) ? 1 : 0;
> -#endif
>  	int eb_pending_out = (irqsrc & MASK_SYS_STATUS_EOBO) ? 1 : 0;
>  	int eb_pending_in  = (irqsrc & MASK_SYS_STATUS_EOBI) ? 1 : 0;
>  
> @@ -1272,7 +1268,7 @@ irqreturn_t lx_interrupt(int irq, void *dev_id)
>  	if (irqsrc & MASK_SYS_STATUS_CMD_DONE)
>  		goto exit;
>  
> -#if 0
> +#if DEBUG
>  	if (irqsrc & MASK_SYS_STATUS_EOBI)
>  		snd_printdd(LXP "interrupt: EOBI\n");
>  
> @@ -1310,18 +1306,6 @@ irqreturn_t lx_interrupt(int irq, void *dev_id)
>  				   "error during audio transfer\n");
>  	}
>  
> -	if (async_escmd) {
> -#if 0
> -		/* backdoor for ethersound commands
> -		 *
> -		 * for now, we do not need this
> -		 *
> -		 * */
> -
> -		snd_printdd("lx6464es: interrupt requests escmd handling\n");
> -#endif
> -	}
> -
>  exit:
>  	spin_unlock(&chip->lock);
>  	return IRQ_HANDLED;	/* this device caused the interrupt */
> -- 
> 1.9.1
> 
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